|Cat-eLog Data Sheet|
|Scientific Name||Heterobranchus bidorsalis Geoffroy St. Hilaire, 1809|
|Type Locality||Nile River|
|Synonym(s)||Heterobranchus geoffroyi, Heterobranchus intermedius, Heterobranchus senegalensis|
|Pronunciation||Het err o brach us|
|Etymology||Heterobranchus: From the Greek heteros, meaning different and branchos, meaning fin; in reference to the presence of the two dorsal fins (rayed and adipose).|
|Size||1500mm or 59.1" SL. Find near, nearer or same sized spp.|
|Identification||Head oval-shaped to rectangular dorsally; snout broadly rounded; eyes rather laterally placed. Frontal fontanelle long and narrow; occipital fontanelle relatively long and oval shaped. `Postorbital' bones completely united. Suprabranchial organ well developed. Pectoral spine smooth. Openings of secondary sensory canals with regular geometric pattern. Body and fins occasionally with irregularly placed spots.|
|Sexing||The genital papilla, which is right below the anus, is elongated and pointy in males while it is round and relatively larger (and larger than the anus) in females. In ventral view especially, females are much broader in the body than males of equal age and rearing practices.|
|General Remarks||Fishbase lists 150 cm TL.|
|Distribution||Africa: Nile. Africa: Chad basin, Niger, Upper Volta, Guinea and Senegal. Also known from the Gambia River
African Waters, Nile (click on these areas to find other species found there)
African Waters, Chad (click on these areas to find other species found there)
African Waters, Nigeria Waters, Niger (click on these areas to find other species found there)
African Waters, Gambia (click on these areas to find other species found there)
African Waters, Sénégal (click on these areas to find other species found there)
African Waters, Volta, Upper Volta (click on these areas to find other species found there)
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|IUCN Red List Status||Least Concern|
|Temperature||22.0-28.0°C or 71.6-82.4°F (Show species within this range)|
|Breeding Reports||There is no breeding report.|
|Reference||Poissons du Nil v. 1 (part 1), pp , Pls. 16 (figs. 2, 5), 17 (figs. 8-9).|
|Registered Keepers||Keeping this species? Why not .
There is no registered keeper.
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|Spotters||Spotted this species somewhere? Click the binoculars!
There is but a single record of this fish being seen, view it.
|More on Heterobranchus bidorsalis|
|Look up Heterobranchus bidorsalis on AquaticRepublic.com|
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|Look up Heterobranchus bidorsalis on Fishbase|
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|Last Update||2019 Oct 06 07:44 (species record created: 2004 Dec 03 00:00)|