Mormyrus rume rume Valenciennes, 1847

Mormyrids

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

Classification	Actinopterygii \| Osteoglossiformes \| Mormyridae
Synonyms	Mormyrus rume, Mormyrus jubelini, ... more
Common names	Trunkfish, 箭形长颌鱼, Liwoe gordorgor, ... more

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Picture by Laleye, P.

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Main reference

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

Size / Weight / Age

Max length : 100.0 cm SL male/unsexed; (Ref. 31256); max. published weight: 5,300 g (Ref. 2915); max. reported age: 6 years (Ref. 2744)

Environment

Demersal; potamodromous (Ref. 51243); freshwater

Climate / Range

Tropical

Africa: Gambia, Senegal, Niger, Volta and Chad basins. Sahelo-Soudanian basins and the coastal basins of the rivers Cavally, Bandama, Sassandra, Comoé, Mono, Ouémé, Ogun and Culufi.
Countries | FAO areas | Ecosystems | Occurrences | Introductions

Short description

Dorsal spines (total): 0; Dorsal soft rays (total): 72 - 95; Anal spines: 0; Anal soft rays: 16 - 21. Anal fin base 4.6-6.5x that of dorsal fin; 20-26 scales on caudal peduncle; body height 3.5-6.1x SL; height of caudal peduncle 1.3-3.0x of its length.

Affinities: look-alike of M. subundulatus and M. tapirus. Feeds on insects and larvae (Ref.13851). Generates electric organ discharge (EOD) of long duration that seems to correlate with territorial behavior of the species (Ref. 10460; 10601).


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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Internet sources

Estimation of some characteristics with mathematical models

Resilience (Ref. 69278)

Low, minimum population doubling time 4.5 - 14 years (Assuming tm=5-10)


Vulnerability (Ref. 59153)	Price category (Ref. 80766)
High vulnerability (63 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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