Distichodus rostratus Günther, 1864

Grass-eater

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

Classification	Actinopterygii \| Characiformes \| Distichodontidae
Synonyms	Distichodus martini, ... more
Common names	Perch, 尖吻复齿脂鲤, Khraish, ... more

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Main reference

Teugels, G.G., C. Lévêque, D. Paugy and K. Traoré. 1988. (Ref. 272)
Other references | Biblio | Coordinator | Collaborators

Size / Weight / Age

Max length : 76.0 cm TL male/unsexed; (Ref. 7094); max. published weight: 6,250 g (Ref. 7094)

Environment

Demersal; potamodromous (Ref. 51243); freshwater; pH range: 6.5 - 7.5; dH range: ? - 15

Climate / Range

Tropical; 22°C - 28°C (Ref. 12468)

Africa: Senegal to the Chad basin. Absent in coastal basins between Gambia and Sassandra (Côte d'Ivoire) but Ref. 7094 and Ref. 272 report otherwise. Also found in the Nile (Ref. 2936).
Countries | FAO areas | Ecosystems | Occurrences | Introductions

Short description

Dorsal soft rays (total): 21 - 26; Anal soft rays: 13 - 16. Body depth 2.7-3.6x, head length 3.3-5.5x SL. Caudal peduncle 0.7-1.1x longer than wide. Rounded snout. Eye diameter 3.3 (juveniles)-7x head length. Scaly caudal with round lobes. Gray body more or less dark. Upper part of dorsal with black lines formed by a series of points on the inter-radial membranes. Juveniles with transverse black irregular bands on the sides; one black spot at extremity of caudal peduncle, one black humeral spot and sometimes one orange humeral spot.

Marco-herbivores, feed on submerged plants, Eichornia roots and periphyton (Ref. 28714).


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

Human uses
Fisheries: commercial


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

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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 (Preliminary K or Fecundity.)


Vulnerability (Ref. 59153)	Price category (Ref. 80766)
Moderate to high vulnerability (52 of 100)	Not marketed/unknown

Entered by Binohlan, Crispina B.

Modified by Bailly, Nicolas

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Page last modified by : elaxamana, 15 July 2009

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