All FishesClariidaeDinotopterus

  • Dinotopterus nyasensis
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Scientific Name Dinotopterus nyasensis  (Worthington, 1933)
Common Name Sapuwa
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). 
Hop to next section Species Information
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.
Hop to next section Habitat Information
Distribution Africa: Endemic to Lake Malawi.
African Waters, Zambesi, Malawi (click on these areas to find other species found there)
IUCN Red List Status Least Concern
Hop to next section Husbandry Information
Feeding Occurs in open water and mainly filters zooplankton. Also feeds on small fishes and insect larvae.
Breeding Unreported.
Breeding Reports There is no breeding report.
Hop to next section Further Information
References Proc. Zool. Soc. Lond. Pt. 2 308 Fig. 9
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Last Update 2018 Apr 11 08:28 (species record created: 2004 Apr 04 00:00)