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  3. Giant Tigerfish

Bony fish · Characiformes · Alestidae

Giant Tigerfish

Hydrocynus goliath

Least Concern

The species is abundant and widely distributed; it faces no significant short-term risk.

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The giant tigerfish is the largest characin in the world, native to the Congo basin and Lake Tanganyika. Its body is silvery with a metallic sheen, and it has thirty-two enormous conical teeth that slot into sockets in the opposing jaw. It hunts in turbulent rapids, chasing other fish down with explosive bursts of speed.

Weight

up to 50 kg

Size

80 cm – 1.5 m

Diet

Carnivore

Feeds mainly on other animals.

Social structure

Solitary

Lives and hunts alone, joining others only to breed.

Sighting difficulty

Easy

Freshwater
24countries9parks

Fun facts

  • GeneralA 50 kg predator with 32 teeth that will even take small crocodiles.
  • Its teeth are replaced throughout its life and are so large that they remain visible with the mouth closed.
  • It hunts in fast, turbid water where visibility is minimal and detects its prey by the vibrations they give off as they swim.
  • It is the largest characin in the world: it reaches a metre and a half and around 50 kg.
  • It has 32 conical teeth that slot into sockets in the opposite jaw when it closes its mouth, like a steel trap. It replaces them throughout its life.
  • It hunts in turbulent, murky waters, where prey cannot see it coming, and it is guided as much by sight as by the vibrations it detects with its lateral line.
  • Its size and power have made it a legendary sport fish in the Congo, and a symbol of the river.
  • It is one of the few freshwater fish credited with attacks on people, although documented cases are scarce and probably accidental.

Life cycle and biology

Skeleton type
Vertebrate - internal bony skeleton (fish)
Habitat and environment
Large fast-flowing rivers and lakes

Sources consulted: https://es.wikipedia.org/wiki/Hydrocynus_goliath

Where to find it

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The pins mark the parks where its presence is documented.

Where to see it

Parks and dive sites where this species has been documented.

Related species

Other species in the catalogue with the most in common with Giant Tigerfish — same habitat, park, country, tags or family.

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Based on what we already know about giant tigerfish.

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See full glossary
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See its range on the interactive map→
VirungaDemocratic Republic of the Congo
SalongaDemocratic Republic of the Congo
Dzanga-SanghaCentral African Republic
Odzala-KokouaRepublic of the Congo
GarambaDemocratic Republic of the Congo
Kahuzi-BiegaDemocratic Republic of the Congo
Nouabale-NdokiRepublic of the Congo
LobékéCameroon
Okapi Wildlife ReserveDemocratic Republic of the Congo
Least Concern

Spotted Ctenopoma

Ctenopoma acutirostre

Least Concern

Elephantnose Fish

Gnathonemus petersii

Nile CrocodileLeast Concern

Nile Crocodile

Crocodylus niloticus

Least Concern

African Electric Catfish

Malapterurus electricus

Rhinoceros ViperLeast Concern

Rhinoceros Viper

Bitis nasicornis

Vulnerable

African Dwarf Crocodile

Osteolaemus tetraspis

CountriesDemocratic Republic of the Congo
ParksVirungaDemocratic Republic of the Congo
TagsCarnivore
Carnivore
Solitary
Fish
Freshwater
Democratic Republic of the Congo
Republic of the Congo
Cameroon
Central African Republic
Angola
Benin
Angola
Benin
Burundi
Cameroon
Central African Republic
Côte d’Ivoire
Democratic Republic of the Congo
Equatorial Guinea
Gabon
Gambia
Ghana
Guinea
Guinea-Bissau
Liberia
Nigeria
Republic of the Congo
Rwanda
Sierra Leone
South Sudan
Tanzania
Togo
Uganda
Zambia
Zimbabwe