Campylomormyrus tamandua (Günther, 1864)

Wormjawed mormyrid

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

Classification	Actinopterygii \| Osteoglossiformes \| Mormyridae
Synonyms	Mormyrus tamandua, Gnathonemus tamandua, ... more
Common names	Trunkfish, Lelovemasadine, Lele elenu kodoro, ... more

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Main reference

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

Size / Weight / Age

Max length : 43.0 cm SL male/unsexed; (Ref. 2915); max. published weight: 500 g (Ref. 3799)

Environment

Demersal; freshwater; pH range: 5.0 - 7.0; dH range: ? - 5

Climate / Range

Tropical; 22°C - 24°C (Ref. 12468)

Africa: Volta, Niger, Tchad, Shari and Congo basins. Known from the river basins of Niger, Benue, Volta and Ogun and also in the Chad basin.
Countries | FAO areas | Ecosystems | Occurrences | Introductions

Short description

Dorsal spines (total): 0; Dorsal soft rays (total): 28 - 31; Anal spines: 0; Anal soft rays: 31 - 35. Young with dark band across body between anterior end of dorsal and anal which widens in the center and surrounded by a clear zone on each side in the form of a parenthesis; first dorsal and anal ray marked with black; this coloration disappears in individuals > 20 cm; Dorsal origin behind origin of anal fin; body depth 3.9-4.7 x SL; head length 3-5 x SL; head 2.3-3.3x longer than large.

Its electric organ discharge (EOD) is steroid-sensitive (Ref. 10763; 10764).


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

Human uses
Fisheries: minor commercial; aquarium: 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)

Medium, minimum population doubling time 1.4 - 4.4 years (Preliminary K or Fecundity.)


Vulnerability (Ref. 59153)	Price category (Ref. 80766)
Moderate vulnerability (44 of 100)	Not marketed/unknown

Entered by Cruz, Tess

Modified by Casal, Christine Marie V.

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Page last modified by : elaxamana, 15 July 2009

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