Hippopotamyrus psittacus (Boulenger, 1897)

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

Classification	Actinopterygii \| Osteoglossiformes \| Mormyridae
Synonyms	Mormyrus psittacus, Cyphomyrus psittacus, Marcusenius psittacus, ... more
Common names	Trunkfish, Rypoun papouščí, Rypoun budgettův, ... more

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Picture by Mertens, P.

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Main reference

Bigorne, R. 1990. (Ref. 2915)
Other references | Biblio | Coordinator | Collaborators

Size / Weight / Age

Max length : 30.0 cm TL male/unsexed; (Ref. 3799); max. published weight: 190 g (Ref. 3799)

Environment

Demersal; freshwater; pH range: 6.8 - 7.2; dH range: ? - 8

Climate / Range

Tropical; 20°C - 24°C (Ref. 13614)

Africa: Congo River, upper Niger, Bénoué River, the Voltas, Ouémé River and the Ogun.
Countries | FAO areas | Ecosystems | Occurrences | Introductions

Short description

Dorsal spines (total): 0; Dorsal soft rays (total): 30 - 37; Anal spines: 0; Anal soft rays: 22 - 27. Dorsal fin origin before anal fin origin; length of dorsal base to anal base ratio 1.2-1.6. Back convex and hull shaped. LS/Depth ratio 2.9-3.8. Height of caudal peduncle 2.9-4.4 x of its length. The form of the back and the position of the dorsal and anal fins clearly distinguishes this species from others in the same geographic zone.

Possesses electroreceptors over the entire head, on the ventral region (except abdominal area) and the dorsal region of the body, but absent from the side and the caudal peduncle where the electric organ is located (Ref. 10011). Found in large rivers. Edible fish (Ref. 11970).


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

Human uses
Fisheries: minor 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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Internet sources

Estimation of some characteristics with mathematical models

Resilience (Ref. 69278)

High, minimum population doubling time less than 15 months (Preliminary K or Fecundity.)


Vulnerability (Ref. 59153)	Price category (Ref. 80766)
Low to moderate vulnerability (27 of 100)	Not marketed/unknown

Entered by Cruz, Tess

Modified by Sa-a, Pascualita

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Page last modified by : elaxamana, 15 July 2009

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