Hydrocynus vittatus Castelnau, 1861

Tiger fish

Catalog of Fishes (gen., sp.) | ITIS | CoL

Classification	Actinopterygii \| Characiformes \| Alestidae
Synonyms	Hydrocyon vittatus, Hydrocyon lineatus, ... more
Common names	Tigerfish, Tigerfish, Ijakere, ... more

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Image of Hydrocynus vittatus (Tiger fish)

Picture by Seegers, L.

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Main reference

Paugy, D. 1990. (Ref. 2880)
Other references | Biblio | Coordinator | Collaborators

Size / Weight / Age

Max length : 105 cm FL male/unsexed; (Ref. 40637); 70 cm FL (female); max. published weight: 28.0 kg (Ref. 40637); max. reported age: 8 years (Ref. 2754)

Environment

Demersal; potamodromous (Ref. 51243); freshwater

Climate / Range

Tropical; 22°C - 28°C (Ref. 12468)

Africa: Niger/Bénoué, Ouémé, Senegal, Nile, Omo, Congo, Lufira, Lualaba, Luapula, Zambeze, Limpopo, Rovuma, Shore, Rufiji , Ruaha, Wami, and Ruvu. Lakes - Bangwéolo, Moéro, Tanganyika, Upemba, Rukwa and Malagarazi. Also Okavango and lower reaches of coastal systems south to Pongolo (Ref. 7248). Also found in Lake Kariba (Ref. 27602).
Countries | FAO areas | Ecosystems | Occurrences | Introductions

Short description

Dorsal spines (total): 2; Dorsal soft rays (total): 8; Anal spines: 3; Anal soft rays: 12. Body profile less slender than H. forskalii. Eye < 70% of interorbital space. Long gill rakers. Tips of adipose and dorsal fins black. Forked edge of caudal fin black.

Prefers warm, well-oxygenated water, mainly larger rivers and lakes. All but the largest form roving schools of like-sized fish; aptly described as fierce and voracious. Feeds on whatever prey is most abundant but Brycinus, Micralestes, Barbus, and Limnothrissa are favored (Ref. 7248). Useful food fish in some areas (Ref. 4967).


IUCN Red List Status (Ref. 57073)	Threat to humans
Not Evaluated	Harmless

Human uses
Fisheries: commercial; gamefish: yes


More information
Countries FAO areas Ecosystems Occurrences Introductions Ecology Diet Food items Food consumption Ration	Common names Synonyms Metabolism Predators Ecotoxicology Reproduction Maturity Spawning Eggs Egg development	Age/Size Growth Length-weight Length-length Length-frequencies Morphometrics Morphology Larvae Larval dynamics Recruitment	Other references Biblio Aquaculture Aquaculture profile Strains Genetics Allele frequencies Heritability Diseases Processing	Collaborators Pictures Stamps Sounds Ciguatera Speed Swim. type Gill area Otoliths Brains Vision

Tools
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Special reports
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Summary page \| Point data \| Common names \| Photos

Internet sources

Estimation of some characteristics with mathematical models

Resilience (Ref. 69278)

Medium, minimum population doubling time 1.4 - 4.4 years (K=0.20-0.30; tmax=11)


Vulnerability (Ref. 59153)	Price category (Ref. 80766)
Moderate vulnerability (41 of 100)	Not marketed/unknown

Entered by Binohlan, Crispina B.

Modified by Capuli, Estelita Emily

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Page last modified by : elaxamana, 15 July 2009

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