Dolichallabes microphthalmus is the only species of airbreathing catfish (order Siluriformes) in the genus Dolichallabes.[1]
| Dolichallabes microphthalmus | |
|---|---|
Scientific classification 
| |
| Domain: | Eukaryota |
| Kingdom: | Animalia |
| Phylum: | Chordata |
| Class: | Actinopterygii |
| Order: | Siluriformes |
| Family: | Clariidae |
| Genus: | Dolichallabes Poll, 1942 |
| Species: | D. microphthalmus
|
| Binomial name | |
| Dolichallabes microphthalmus Poll, 1942
| |
Distribution
editD. microphthalmus is known from the Congo River system.[1] It was originally described from Kunungu, close to the central Congo River. This species is found in the same region around Bolobo and in the swamp areas near to Boende, Bokuma (Tshuapa) and Ingonge, in the Ruki River Basin. This species has also been collected around Maylimbe, Tshela region, on the Lower Congo Basin.[2]
Description
editD. microphthalmus is the most elongate, eel-like species of clariid catfish. It also has a reduced skull, and its unpaired fins (dorsal, caudal, and anal fins) are continuous. The pectoral fins, though always present, may be extremely reduced in some specimens. The eyes are small. The lower lip is equal to or overgrows the upper lip.[2] Due to certain skeletal characteristics, it has been suggested that D. microphthalmus is a paedomorphic clariid.[2] This species grows up to about 25.0 centimetres (9.8 in) TL.[3]
References
edit- ^ a b Ferraris, Carl J. Jr. (2007). "Checklist of catfishes, recent and fossil (Osteichthyes: Siluriformes), and catalogue of siluriform primary types" (PDF). Zootaxa. 1418: 1–628.
- ^ a b c Devaere, Stijn; Teugels, Guy G.; Adriaens, Dominque; Huysentruyt, Frank; Verraes, Walter (2004). Armbruster, J. W. (ed.). "Redescription of Dolichallabes microphthalmus (Poll, 1942) (Siluriformes, Clariidae)" (PDF). Copeia. 2004 (1): 108–115. doi:10.1643/CI-03-025R1. Archived from the original (PDF) on 2007-07-31.
- ^ Froese, Rainer; Pauly, Daniel (eds.). "Dolichallabes microphthalmus". FishBase. December 2011 version.
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