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Great barracuda

Fish · Last reviewed 2026-08-10

A fast reef predator built entirely around a single explosive strike, and a fish whose principal hazard to people is not its teeth but eating it.

Safety

Species that bite — Can cause serious injury or death

Large, blade-like, close-fitting teeth capable of severe lacerations. Bites to people are rare and are usually a single fast strike, most often provoked by a speared or bleeding fish, a shiny object, or very poor visibility.

What reduces it: Do not spear or tow bleeding fish in water holding barracuda, and get shot fish out of the water promptly. Do not wear shiny jewellery when diving. Never put a hand near the mouth of a landed fish. Use long pliers or a de-hooking tool and control the fish first.

Venomous and spined species — Can cause serious injury or death

Ciguatera poisoning from eating large barracuda in parts of the range. The toxin accumulates through the reef food chain, is not destroyed by cooking, freezing or any preparation, and causes serious and sometimes prolonged illness.

What reduces it: Follow local health authority advice about which reef fish are safe to eat where you are, and treat large reef predators with particular caution. Note that the risk varies regionally — FishBase records the species as ciguatoxic through much of the range but not reported poisonous in the eastern Atlantic — so a rule that applies in one ocean does not transfer.

Precautions that always apply here

  • Keep fingers out of the gills and clear of the teeth. Gill damage is usually fatal to the fish, and several species will remove skin from a finger.
  • If a hook goes past the barb into a person, cut the line, leave the hook where it is, and get medical help. Pulling it back out does far more damage than pushing it through under proper care.
  • Wet your hands before touching a fish. Dry hands strip the protective mucus layer that keeps infection out.
  • Never spearfish or freedive alone.

The great barracuda is one of the most recognisable fish in tropical seas: a long chrome cylinder hanging motionless in mid-water, apparently taking no interest in anything, and capable of covering the distance to a prey fish faster than the eye follows.

The whole animal is built for that one action. The body is a straight tube with the propulsive fins set far back for a single hard acceleration, and the jaw carries large, close-fitting, blade-like teeth designed to shear rather than hold. A barracuda does not chase; it waits, and then it is somewhere else with half a fish in its mouth.

It has a reputation for menacing divers that the evidence does not really support. FishBase records it as traumatogenic and notes that it rarely attacks people, usually with one quick fierce strike which, though serious, is rarely fatal. Most incidents involve speared or bleeding fish, shiny objects, or very poor visibility — the fish is not hunting the person.

The genuine danger is different and far more serious: ciguatera. Large barracuda in many parts of the range accumulate ciguatoxin from the reef food chain, and the poisoning is not destroyed by cooking, freezing or any other preparation. FishBase's own note is precise about this varying by region — it records that although the species is ciguatoxic elsewhere throughout its range, it has not been reported to be poisonous in the eastern Atlantic. That regional variation is the point: local knowledge decides whether a barracuda is food.

Identification

FishingHQ holds no photograph of this species whose identity and licensing it can vouch for, so it is not showing one. Misidentified fish photographs teach identification wrongly, and a picture with an unchecked caption would be worse than none. The identification points below are what to look at instead.

Scientific name
Sphyraena barracuda
Family
Sphyraenidae
Water
Saltwater, Brackish
Conservation status
Least Concern
Regions
Caribbean, Indo-Pacific, North America, West Africa, South-East Asia, Australia, Pacific Islands
  • Long, cylindrical, almost straight-sided body — a tube rather than a fish shape — with the dorsal and anal fins set far back and well separated.
  • Large jaw with a projecting lower jaw and prominent, widely spaced, blade-like teeth visible even when the mouth is closed.
  • Silver overall, usually with scattered irregular dark blotches on the lower flank of larger fish.
  • Two widely separated dorsal fins; deeply forked tail.
  • Several Sphyraena species overlap; the great barracuda is separated by size, the scattered flank blotches, and the tail's pale trailing edges in many populations.

Size

Typical
3–8 kg (6.5–18 lb)
Large
15–25 kg (33–55 lb)

Exceptional: Over 30 kg (66 lb); maximum published weight 50 kg

Lifecycle and reproduction

Juveniles live in mangroves and estuaries, moving out to reef and coastal habitat as they grow, and adults range from inner harbours to open sea. Growth is fast and the species is long-lived. The habitat shift matters for the ciguatera question: a large old reef-resident fish has had far longer to accumulate toxin through the food chain than a small one, which is why size is the crude rule of thumb people use.

Spawns offshore, broadcasting eggs with no parental care, generally in the warmer months. Larvae recruit into shallow sheltered habitat, particularly mangrove and seagrass, which links the species to inshore nursery habitat despite adults being found well out to sea.

Feeding and senses

Feeds on fishes and cephalopods and occasionally on shrimps, hunting by ambush from a stationary or slowly drifting position followed by an extremely rapid strike. The shearing dentition means prey is frequently cut in half rather than swallowed whole, which is also why a barracuda will bite through a wire trace's knot, a hooked fish being played, and occasionally a lure at the leader.

Sight-dominant, and unusually so — barracuda track movement and flash at long range in the clear water they prefer, which is why they are drawn to shiny objects and to struggling fish. That same responsiveness to flash is the reason divers are advised not to wear bright jewellery in water holding them, and it is the mechanism behind almost every recorded incident.

Through the year

Present year-round through the tropical range with local movements following bait and water temperature. In the subtropical margins the species is seasonal, appearing as water warms. Individual large fish are frequently resident on a specific piece of structure for long periods, which is why the same fish is seen repeatedly on the same reef head.

Distribution

Indo-Pacific from the Red Sea to Hawaii and the Marquesas; western Atlantic from Massachusetts to Brazil; eastern Atlantic from Mauritania to Sierra Leone. Reef-associated, from the surface to about 100 m and usually between 3 and 30 m, with juveniles in mangroves and estuaries.

This is a biological range — where the species occurs, not a prediction that you will catch one. To browse the fishing geography FishingHQ holds, start at fishing places.

Why anglers care

Widely caught on lures, trolled baits and fly across tropical coasts, and frequently taken incidentally while fishing for other species. Regarded by many anglers as a nuisance for cutting off hooked fish, and by others as a fine sporting target on light tackle. Whether it is retained for food depends entirely on local ciguatera risk, which is a matter for local authorities rather than for a general reference.

Handling and returning

The teeth are the obvious hazard and they are as sharp as they look — never put a hand near the mouth of a barracuda, alive or apparently dead, and use long pliers or a de-hooking tool. Control the fish fully before attempting anything. On the question of eating one, follow local health advice: ciguatoxin is not destroyed by cooking or freezing, and the risk varies by region and by fish size in ways no general rule captures.

Going further

Clear shallow water, edges, and a fish that hangs rather than patrols

Great barracuda occupy clear tropical and subtropical inshore water, and their habitat use is defined by ambush rather than by pursuit.

THEY HOLD ON EDGES AND WAIT. Reef edges, drop-offs, channel margins, wreck, pier pilings, mangrove fringes and the boundary between sand and grass — barracuda position themselves where prey will pass and hang almost motionless until it does. That is why they appear stationary and why the same individual is found in the same place repeatedly.

CLEAR WATER IS THE REQUIREMENT because the hunt is visual and the attack is a single high-speed strike. Turbid water is poor barracuda habitat.

DEPTH IS SHALLOW FOR MOST OF THE POPULATION — surface to a few tens of metres — though larger individuals are found deeper on outer reef slopes.

JUVENILES USE A COMPLETELY DIFFERENT HABITAT. Young barracuda occupy shallow, sheltered, vegetated inshore areas: mangrove, seagrass and estuarine margins, where cover is dense. They move to reef and open water as they grow, and the two life stages barely overlap in space.

ADULTS ARE SOLITARY OR IN LOOSE GROUPS while juveniles school, which is the reverse of the usual pattern and follows from the shift in hunting strategy.

AND THE ASSOCIATION WITH STRUCTURE INCLUDES BOATS AND DIVERS. Barracuda following a swimmer or hanging under a hull are exhibiting ordinary habitat behaviour — occupying anything that might concentrate or flush prey.

Scientific evidence

Supported by peer-reviewed research or fisheries science. The sources are listed and can be checked.

  • FAO Species Identification Guides for Fishery Purposes and the FAO Species Catalogues — Food and Agriculture Organization of the United Nations (Scientific institute)Relied on for: Distribution, habitat, depth and fishery accounts for the species in the FAO regional identification guides for the ocean area concerned.States this directlyCitation checked — the work exists and is described correctly
  • FishBase: a global information system on fishes — Froese, R. and D. Pauly, eds. — FishBase Consortium (Scientific institute)Relied on for: Distribution, habitat association, depth range, size, reproduction and life-history parameters recorded for the species.States this directlyPassage read and verified

Offshore broadcast spawning, and a juvenile that lives somewhere else

Barracuda reproduction is a broadcast strategy with a strong spatial separation between adults, spawning and nursery habitat.

SPAWNING TAKES PLACE OFFSHORE in deeper water rather than on the shallow reef the adults occupy, with eggs and larvae released into the plankton to drift. There is no nest, no site fidelity in the reef-aggregation sense and no parental care.

IT IS BATCH SPAWNING OVER AN EXTENDED SEASON, with fecundity high and reproduction concentrated in the warmer part of the year at the range edges and more protracted near the equator.

LARVAE SETTLE INTO SHALLOW VEGETATED INSHORE HABITAT — mangrove, seagrass and estuarine shallows — which is a different environment from where their parents live. The condition of those nursery systems therefore drives recruitment to reefs that may be a considerable distance away.

JUVENILES MOVE PROGRESSIVELY OUTWARD as they grow, from vegetated shallows to shallow reef to the outer reef and open water, which is a classic ontogenetic habitat shift.

MATURITY COMES AT A MODERATE AGE and the species is reasonably long-lived and grows large.

AND THE SPECIES IS COMPARATIVELY RESILIENT BY REEF PREDATOR STANDARDS, because it does not form the dense predictable spawning aggregations that make groupers so easy to remove. Its principal conservation issue is not spawning vulnerability but ciguatera — large individuals from some reefs accumulate the toxin, which is why the biggest fish are frequently not eaten.

Scientific evidence

Supported by peer-reviewed research or fisheries science. The sources are listed and can be checked.

  • FAO Species Identification Guides for Fishery Purposes and the FAO Species Catalogues — Food and Agriculture Organization of the United Nations (Scientific institute)Relied on for: Distribution, habitat, depth and fishery accounts for the species in the FAO regional identification guides for the ocean area concerned.States this directlyCitation checked — the work exists and is described correctly
  • FishBase: a global information system on fishes — Froese, R. and D. Pauly, eds. — FishBase Consortium (Scientific institute)Relied on for: Distribution, habitat association, depth range, size, reproduction and life-history parameters recorded for the species.States this directlyPassage read and verified

Present all year, concentrated by tide, bait and season at the edges

Great barracuda are resident across most of their range and their seasonality is mostly about concentration and about the edges of the distribution.

AT THE RANGE MARGINS THERE IS A REAL THERMAL SEASON. At the cooler edges of the distribution barracuda are summer visitors and disappear as water cools; in the tropical core they are present year-round.

SOME POPULATIONS MAKE SEASONAL INSHORE AND OFFSHORE MOVEMENTS, with larger fish moving out to deeper reef in some areas at particular times of year, but the species is not a long-distance migrant in the way the tunas are.

TIDE IS THE DAILY AND FORTNIGHTLY SEASON. Barracuda hold on edges where flow delivers prey, so a mark fishes on a state of tide, and spring tides moving more water through a pass concentrate both bait and predator.

BAIT MOVEMENTS SUPPLY THE REST. Seasonal concentrations of small pelagic fish bring barracuda with them, and where a coast has a seasonal bait run the barracuda fishing follows it.

CIGUATERA RISK IS NOT SEASONAL BUT IS SPATIAL, varying by reef rather than by month, and it is the reason local knowledge about which fish from which ground are eaten matters more than any calendar.

AND THE JUVENILE SEASONALITY IS SEPARATE, with young fish in the mangrove and seagrass nurseries following recruitment pulses rather than the adult pattern.

Scientific evidence

Supported by peer-reviewed research or fisheries science. The sources are listed and can be checked.

  • FAO Species Identification Guides for Fishery Purposes and the FAO Species Catalogues — Food and Agriculture Organization of the United Nations (Scientific institute)Relied on for: Distribution, habitat, depth and fishery accounts for the species in the FAO regional identification guides for the ocean area concerned.States this directlyCitation checked — the work exists and is described correctly
  • FishBase: a global information system on fishes — Froese, R. and D. Pauly, eds. — FishBase Consortium (Scientific institute)Relied on for: Distribution, habitat association, depth range, size, reproduction and life-history parameters recorded for the species.States this directlyPassage read and verified

Teeth that fit together, and a fish that should be released in the water

Barracuda dentition is built for a single shearing bite: large, flattened, blade-edged teeth in sockets that interlock, in a long jaw with an extremely fast closing action. It is the same design as the tigerfish and it produces the same injury — a clean deep laceration rather than a puncture — with the added factor that barracuda are commonly caught from small boats and from flats skiffs where there is nowhere to put one.

THE STANDARD ADVICE IS TO NOT LAND IT. A barracuda taken on a wire trace can be unhooked boat-side with a long dehooker while it stays in the water, and that is both the safest option and much the best for the fish. Bringing one aboard a skiff to photograph it is how people get hurt.

IF IT MUST BE HANDLED: control the head from behind with a gloved hand, never lip it, never hold it across the jaw, and keep it away from other people's legs. Like wahoo, they retain a violent burst after appearing spent.

AND THE EATING QUESTION IS A REAL ONE. Great barracuda are among the species most strongly associated with ciguatera, the risk rises with fish size, and it varies by locality within the species' range in ways no general rule captures. Cooking and freezing do not destroy the toxin. Whether a barracuda from a given place is safe to eat is a question for local health advice, and where the answer is not known the fish should go back — which is a further reason to release it in the water without lifting it.

Authoritative guidance

Stated by a fisheries authority, scientific institute or recognised angling body. Authoritative, but summarising rather than demonstrating.

  • Fish and Fishery Products Hazards and Controls Guidance — US Food and Drug Administration, Center for Food Safety and Applied Nutrition, 2022 (Standards body)Relied on for: That ciguatera is associated with large reef predators including barracuda, varies geographically, and is not destroyed by cooking or freezing.States this directlyPassage read and verified
  • FishBase: a global information system on fishes — Froese, R. and D. Pauly, eds. — FishBase Consortium (Scientific institute)Relied on for: Record of ciguatoxicity varying regionally within this species' range.Background and mechanism onlyPassage read and verified

Where to go next

Similar and related fish

What these connections rest on (1)

Scientific evidence — 1 connection

Supported by peer-reviewed research or fisheries science. The sources are listed and can be checked.

  • Ballyhoo

    Recorded diet evidence identifies Hemiramphus brasiliensis as a food item of this predator at species level. The edge is written at that granularity and no further.

    • FishBase: a global information system on fishes — Froese, R. and D. Pauly, eds. — FishBase Consortium (Scientific institute)Relied on for: Food items recorded for this predator, including Hemiramphus brasiliensis.States this directlyPassage read and verified
    • FAO Species Identification Guides for Fishery Purposes and the FAO Species Catalogues — Food and Agriculture Organization of the United Nations (Scientific institute)Relied on for: Species account describing the diet of this predator in the region where Hemiramphus brasiliensis occurs.Background and mechanism onlyCitation checked — the work exists and is described correctly

How it is caught

What these connections rest on (1)

Scientific evidence — 1 connection

Supported by peer-reviewed research or fisheries science. The sources are listed and can be checked.

  • Reef spearfishing

    A food-safety claim held to a scientific standard because getting it wrong makes somebody seriously ill, and because the regional variation is the part that matters.

    • FishBase: a global information system on fishes — Froese, R. and D. Pauly, eds. — FishBase Consortium (Scientific institute)Relied on for: That although Sphyraena barracuda is ciguatoxic elsewhere throughout its range, it has not been reported to be poisonous in the eastern Atlantic — establishing that the risk varies regionally within one species.States this directlyPassage read and verified

Gear for this fish

What these connections rest on (1)

Practitioner consensus — 1 connection

Widely and independently recommended by experienced anglers and specialist sources. This is real angling knowledge, not proof: controlled evidence for it is limited, and FishingHQ records it as convention rather than as a demonstrated effect.

  • Saltwater lures

    A practitioner claim about which lure family answers this species' feeding or holding behaviour.

    • IGFA International Angling Rules and World Record Requirements — International Game Fish Association (Angling or fisheries organisation)Relied on for: Recognition of the species as an established sport fish taken on artificial lures, and the line and tackle classes used for it.States this directlyPassage read and verified
    • General angling website restatements of established technique — Various (Credible secondary source)Relied on for: Widely restated lure practice for this species.Background and mechanism onlyCitation checked — the work exists and is described correctly

Where it lives

What these connections rest on (1)

Scientific evidence — 1 connection

Supported by peer-reviewed research or fisheries science. The sources are listed and can be checked.

  • Coral reef

    A habitat claim held to a scientific standard.

    • FishBase: a global information system on fishes — Froese, R. and D. Pauly, eds. — FishBase Consortium (Scientific institute)Relied on for: That Sphyraena barracuda is reef-associated, occurring from 0 to 100 m and usually between 3 and 30 m, with juveniles in mangroves and estuaries and adults ranging from inner harbours to open seas.States this directlyPassage read and verified

Where you will find it

What these connections rest on (8)

Scientific evidence — 8 connections

Supported by peer-reviewed research or fisheries science. The sources are listed and can be checked.

  • Cyprus

    A distribution edge resting on published regional identification and distribution references, written where the species is genuinely characteristic of the destination's fishing rather than merely recorded from its waters.

    • FAO Species Identification Guides for Fishery Purposes and the FAO Species Catalogues — Food and Agriculture Organization of the United Nations (Scientific institute)Relied on for: Distribution, habitat association and biology of the fishes of the eastern central Atlantic and the Mediterranean, from the regional identification guides prepared for fishery purposes.States this directlyCitation checked — the work exists and is described correctly
    • FishBase: a global information system on fishes — Froese, R. and D. Pauly, eds. — FishBase Consortium (Scientific institute)Relied on for: Recorded environment, depth range, distribution and biology of the species named.States this directlyPassage read and verified

  • Fiji and Melanesia

    A distribution association between an animal and a described water body, which is what the `inhabits` predicate is for — the kind of water rather than a named mark.

    • FAO Species Identification Guides for Fishery Purposes and the FAO Species Catalogues — Food and Agriculture Organization of the United Nations (Scientific institute)Relied on for: Distribution, habitat, depth and fishery accounts for the species in the FAO regional identification guides for the ocean area concerned.States this directlyCitation checked — the work exists and is described correctly
    • FishBase: a global information system on fishes — Froese, R. and D. Pauly, eds. — FishBase Consortium (Scientific institute)Relied on for: Distribution, habitat association and depth range recorded for the species.States this directlyPassage read and verified

  • Hawaii

    A distribution association between an animal and a described water body, which is what the `inhabits` predicate is for — the kind of water rather than a named mark.

    • FAO Species Identification Guides for Fishery Purposes and the FAO Species Catalogues — Food and Agriculture Organization of the United Nations (Scientific institute)Relied on for: Distribution, habitat, depth and fishery accounts for the species in the FAO regional identification guides for the ocean area concerned.States this directlyCitation checked — the work exists and is described correctly
    • FishBase: a global information system on fishes — Froese, R. and D. Pauly, eds. — FishBase Consortium (Scientific institute)Relied on for: Distribution, habitat association and depth range recorded for the species.States this directlyPassage read and verified

  • The Coral Triangle

    A distribution association between an animal and a described water body, which is what the `inhabits` predicate is for — the kind of water rather than a named mark.

    • FAO Species Identification Guides for Fishery Purposes and the FAO Species Catalogues — Food and Agriculture Organization of the United Nations (Scientific institute)Relied on for: Distribution, habitat, depth and fishery accounts for the species in the FAO regional identification guides for the ocean area concerned.States this directlyCitation checked — the work exists and is described correctly
    • FishBase: a global information system on fishes — Froese, R. and D. Pauly, eds. — FishBase Consortium (Scientific institute)Relied on for: Distribution, habitat association and depth range recorded for the species.States this directlyPassage read and verified

  • The Egyptian Red Sea coast

    A distributional claim about where a species occurs, resting on the regional identification literature rather than on angling report. It says nothing about where a reader should fish.

    • FAO Species Identification Guides for Fishery Purposes and the FAO Species Catalogues — Food and Agriculture Organization of the United Nations (Scientific institute)Relied on for: Species composition, habitat association and distribution for the region concerned, as set out in the FAO species identification sheets.States this directlyCitation checked — the work exists and is described correctly
    • The IUCN Red List of Threatened Species — International Union for Conservation of Nature (Conservation authority)Relied on for: Global assessment and distribution for the species concerned.States this directlyCitation checked — the work exists and is described correctly

  • The Maldives

    A distribution association between an animal and a described water body, which is what the `inhabits` predicate is for — the kind of water rather than a named mark.

    • FAO Species Identification Guides for Fishery Purposes and the FAO Species Catalogues — Food and Agriculture Organization of the United Nations (Scientific institute)Relied on for: Distribution, habitat, depth and fishery accounts for the species in the FAO regional identification guides for the ocean area concerned.States this directlyCitation checked — the work exists and is described correctly
    • FishBase: a global information system on fishes — Froese, R. and D. Pauly, eds. — FishBase Consortium (Scientific institute)Relied on for: Distribution, habitat association and depth range recorded for the species.States this directlyPassage read and verified

  • The Ryukyu Islands

    A distribution association between an animal and a described water body, which is what the `inhabits` predicate is for — the kind of water rather than a named mark.

    • FAO Species Identification Guides for Fishery Purposes and the FAO Species Catalogues — Food and Agriculture Organization of the United Nations (Scientific institute)Relied on for: Distribution, habitat, depth and fishery accounts for the species in the FAO regional identification guides for the ocean area concerned.States this directlyCitation checked — the work exists and is described correctly
    • FishBase: a global information system on fishes — Froese, R. and D. Pauly, eds. — FishBase Consortium (Scientific institute)Relied on for: Distribution, habitat association and depth range recorded for the species.States this directlyPassage read and verified

  • The West African coast

    A distribution association between an animal and a described water body, which is what the `inhabits` predicate is for — the kind of water rather than a named mark.

    • FAO Species Identification Guides for Fishery Purposes and the FAO Species Catalogues — Food and Agriculture Organization of the United Nations (Scientific institute)Relied on for: Distribution, habitat, depth and fishery accounts for the species in the FAO regional identification guides for the ocean area concerned.States this directlyCitation checked — the work exists and is described correctly
    • FishBase: a global information system on fishes — Froese, R. and D. Pauly, eds. — FishBase Consortium (Scientific institute)Relied on for: Distribution, habitat association and depth range recorded for the species.States this directlyPassage read and verified

Understanding this fish

What these connections rest on (1)

Scientific evidence — 1 connection

Supported by peer-reviewed research or fisheries science. The sources are listed and can be checked.

  • Ciguatera and reef fish poisoning

    A link from a species or a place to the accumulation mechanism that decides whether what is caught there should be eaten, resting on published seafood-hazard guidance and on the species' recorded diet and trophic position.

    • FAO Species Identification Guides for Fishery Purposes and the FAO Species Catalogues — Food and Agriculture Organization of the United Nations (Scientific institute)Relied on for: Identification, distribution and trophic position of tropical reef fishes, including the large predatory species associated with reef toxin.States this directlyCitation checked — the work exists and is described correctly
    • FishBase: a global information system on fishes — Froese, R. and D. Pauly, eds. — FishBase Consortium (Scientific institute)Relied on for: Recorded distribution, diet, size and trophic level of the species named, which is the basis for its position in a reef food web.States this directlyPassage read and verified

Check the rules before you fish

Fishing laws, bylaws, access rules, seasons, bait restrictions and permitted methods vary by location and can change. Check the current rules from the relevant authority and the water you intend to fish before fishing.

Check with:

  • Current national or regional law for where you are fishing
  • Current local bylaws
  • The relevant fisheries authority
  • The landowner, club or fishery whose water it is
  • Any restrictions specific to the species or the method you intend to use

Sources for this page

  • FishBase: a global information system on fishes — Froese, R. and D. Pauly, eds. — FishBase Consortium (Scientific institute)Relied on for: Scientific name, family placement in the Sphyraenidae, maximum length of 200 cm and maximum published weight of 50 kg, Indo-Pacific distribution from the Red Sea to Hawaii and the Marquesas plus western Atlantic from Massachusetts to Brazil and eastern Atlantic from Sierra Leone to Mauritania.States this directlyPassage read and verified

How FishingHQ labels evidence is explained in the evidence policy.

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