|Cat-eLog Data Sheet|
|Scientific Name||Dinotopterus nyasensis (Worthington, 1933)|
|Type Locality||Lake Malawi [Lake Nyasa], se. Africa.|
|Synonym(s)||Clarias nyasensis, Dinotopterus nyasensis|
|Etymology||Dinotopterus: From the Greek, di-,meaning two, noton, meaning back and pteron, meaning fin; in reference to the presence of the two dorsal fins (rayed and adipose).|
|Size||1000mm or 39.4" SL. Find near, nearer or same sized spp.|
|Identification||B. nyasensis can be distinguished from the other species of Bathyclarias by having all of the following characters (adapted from Greenwood, 1961: 230):
1. Gill rakers long, length of longest gill raker (on outer arch) divided by length of longest gill filament = 0.7-1.0;
2. Body relatively slender;
3. Maxillary barbel contained 1.8-2.2 times in head length.
|Sexing||In ventral view especially, females are much broader in the body than males of equal age and rearing practices.|
|Distribution||Africa: Endemic to Lake Malawi.
African Waters, Zambesi, Malawi (click on these areas to find other species found there)
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|IUCN Red List Status||Least Concern|
|Feeding||Occurs in open water and mainly filters zooplankton. Also feeds on small fishes and insect larvae.|
|Breeding Reports||There is no breeding report.|
|References||Proc. Zool. Soc. Lond. Pt. 2 308 Fig. 9|
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There is no registered keeper.
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|Last Update||2018 Apr 11 08:28 (species record created: 2004 Apr 04 00:00)|