Modified from Günther (1866):
Dorsal fin rays: 21. Anal fin rays: 26. Scales along the lateral line: 41.
The form of the snout is nearly the same as in Mormyrus (i.e., Pollimyrus) isidori, the cleft of the mouth being at the lower side of the snout, behind the front margin of the orbit. Teeth small, dilated and notched, forming a complete series round the margin of both jaws. The origin of the dorsal fin is a little nearer to the root of the caudal than to the occiput. The pectoral extends somewhat beyond the middle of the ventral, which is rather more than half as long as the pectoral. The height of the body is contained thrice in the total length, the length of the head thrice and two-thirds. Uniform silvery, back blackish.
Type from the Rovuma River (Tanzania).
Widely distributed in East Africa. See Fishbase for museum records and localities.
Evolution and Systematics
Distinct phylogenetic lineage within the Petrocephalus of still unresolved position.
Molecular Biology and Genetics
Statistics of barcoding coverage: Petrocephalus catostoma
Public Records: 0
Specimens with Barcodes: 9
Species With Barcodes: 1
Relevance to Humans and Ecosystems
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