Brienomyrus longianalis
No common name
Collection Details
Specimens
Photos
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Records
Taxonomic Hierarchy
Actinopterygii (Ray-finned Fishes)
Osteoglossiformes
Mormyridae (Elephantfish)
Brienomyrus
Brienomyrus longianalis
Description
This species account was compiled from
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Characters
Body shape: fusiform / normal. SL/BD = 4.4-6.1. Dorsal much smaller than anal inserted almost midway from origin of anal (Dorsal-Anal fin base ratio 0.32-0.46). Pectorals at most as long as head with posterior end not extending beyond origin of pelvic fins. Thin caudal peduncle with height 22.6-31.5 x SL. Color similar to B. brachyistius. Snout projecting and curved downward.(Ref.4967) Striking features: striking type of mouth.
Distribution
Africa: Niger and some other coastal basins of Guinea and Sierra-Leone, the Kribi River in Cameroon (Ref. 3203).
Habitat Associations
Freshwater. benthopelagic. Found in: streams.
Biology
Affinities: related to Brienomyrus brachyistius, distinguished by longer anal fin in Brienomyrus longianalis and by lower peduncle height SL ratio. May be limited to the delta and the lower reaches of rivers (Ref. 3203).
Max length: 16.0 cm SL.
IUCN Red List Status: Least Concern (LC), assessed 2019-09-03. Resilience: Medium (Fec=417-2,252).
References
Lévêque, C.D. Paugy and G.G. Teugels (eds.) (1990) Faune des poissons d'eaux douces et saumâtres d'Afrique de l'Ouest. Tome 1. Coll. Faune Tropicale N° 28. Musée Royal de l'Afrique Centrale, Tervuren, Belgique et O.R.S.T.O.M., Paris, France. 384 p.
Bigorne, R. (1990) Mormyridae. p. 122-184. In C. Lévêque, D. Paugy and G.G. Teugels (eds.) Faune des poissons d'eaux saumâtres d'Afrique de l'Ouest. tome 1. Faune Trop. 28. Musée Royal de l'Afrique Centrale, Tervuren, and ORSTOM, Paris.
Ikomi, R.B. (1996) Studies on the growth pattern, feeding habits and reproductive characteristics of the mormyrid Brienomyrus longianalis (Boulenger 1901) in the Upper Warri River, Nigeria. Fish. Res. 26(1-2):187-198.
Comments On Brienomyrus longianalis