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Hydrocynus vittatus  Castelnau, 1861

Tiger fish
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Hydrocynus vittatus
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Classification / Names Common names | Synonyms | Catalog of Fishes (gen., sp.) | ITIS | CoL | WoRMS | Cloffa

Actinopterygii (ray-finned fishes) > Characiformes (Characins) > Alestidae (African tetras)
Etymology: Hydrocynus: Greek, hydr = water + Greek, kyon = dog (Ref. 45335).

Environment / Climate / Range Ecology

Freshwater; demersal; potamodromous (Ref. 51243).   Tropical; 22°C - 28°C (Ref. 12468)

Length at first maturity / Size / Weight / Age

Maturity: Lm 39.8  range ? - ? cm
Max length : 105 cm FL male/unsexed; (Ref. 40637); 74.0 cm FL (female); max. published weight: 28.0 kg (Ref. 40637); max. reported age: 8 years (Ref. 2754)

Short description Morphology | Morphometrics

Dorsal spines (total): 0; Dorsal soft rays (total): 10; Anal spines: 0; Anal soft rays: 15. Diagnosis: 2 scale rows between lateral line and scaly process at pelvic-fin bases; eye < 70% of interorbital space (Ref. 2880, 81279). Dorsal-fin origin at about same level as pelvic-fin insertions; tips of adipose and dorsal fins black; forked edge of caudal fin black (Ref. 2880, 80290, 81279).

Distribution Countries | FAO areas | Ecosystems | Occurrences | Point map | Introductions | Faunafri

West-Africa: Niger, Bénoué, Ouémé, Senegal (Ref. 2880, 5331, 7248, 81279), Ouémé (unconfirmed, Ref. 81279), Chad (Ref. 2880, 5331, 81279). Also found in the Volta (Ref. 5331, 81279) and Mono rivers (Ref. 81279). Lower Guinea: Cross and Sanaga basins (Ref. 80290). Also reported from Nile, Omo, Congo, Lufira, Lualaba, Luapula, Zambezi, Limpopo, Rovuma, Shire, Rufiji, Ruaha, Lake Bangweulu, Lake Mweru, Lake Tanganyika, Lake Upemba, Lake Rukwa (Ref. 2880, 80290) and Lake Kariba (Ref. 27602), Malagarazi, Okavango and lower reaches of coastal systems south to Pongolo (Ref. 7248).

Biology     Glossary (e.g. epibenthic)

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).

Main reference Upload your references | References | Coordinator | Collaborators

Paugy, D. and S.A. Schaefer, 2007. Alestidae. p. 347-411. In M.L.J. Stiassny, G.G. Teugels and C.D. Hopkins (eds.) Poissons d'eaux douces et saumâtres de basse Guinée, ouest de l'Afrique centrale/The fresh and brackish water fishes of Lower Guinea, west-central Africa. Vol. 1. Coll. Faune et Flore tropicales 42. Istitut de recherche pour le développement, Paris, France, Muséum nationale d'histoire naturelle, Paris, France and Musée royale de l'Afrique centrale, Tervuren, Belgique. 800 p. (Ref. 80290)

IUCN Red List Status (Ref. 90363)

CITES (Ref. 94142)

Not Evaluated

Threat to humans

  Harmless




Human uses

Fisheries: commercial; gamefish: yes
FAO(Publication : search) | FisheriesWiki | Sea Around Us

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Estimates of some properties based on models

Phylogenetic diversity index (Ref. 82805):  PD50 = 0.5156   [Uniqueness, from 0.5 = low to 2.0 = high].
Bayesian length-weight: a=0.00977 (0.00579 - 0.01650), b=3.00 (2.85 - 3.15), based on LWR estimates for species & Subfamily-body shape (Ref. 93245).
Trophic Level (Ref. 69278):  4.4   ±0.8 se; Based on diet studies.
Resilience (Ref. 69278):  Medium, minimum population doubling time 1.4 - 4.4 years (K=0.20-0.30; tmax=11).
Vulnerability (Ref. 59153):  Moderate vulnerability (41 of 100) .
Price category (Ref. 80766):   Unknown.