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Chrysichthys teugelsi Risch, 1987 |
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photo by
RMCA / Mark Hanssens |
| Family: | Claroteidae (Claroteid catfishes) | |||
| Max. size: | 15 cm SL (male/unsexed) | |||
| Environment: | demersal; freshwater | |||
| Distribution: | Africa: middle and upper reaches of the Cess, Sanguin (Liberia) and Cavally rivers (Côte d'Ivoire)(Ref. 57126). | |||
| Diagnosis: | Dorsal spines (total): 2; Dorsal soft rays (total): 6; Anal spines: -0. Diagnosis: first or second branched ray of dorsal fin longest but always shorter than head (comprised from 3.5 to 4.5 times in standard length), never filamentous; base of adipose fin shorter than, or equal to, dorsal fin base; 9-13 (often 10-11) gill rakers on lower limb of first gill arch; pectoral fins with 8 (sometimes 9) branched rays; like most other species of the genus, C. teugelsi shows a sexual dimorphism between mature males and immature specimens (Ref. 57126). Description: nasal barbels present; very short first dorsal spine; well developed second spine, weakly denticulate along posterior margin; pelvic fin with 1 unbranched and 5 branched soft rays; anal fin with 6-8 branched soft rays (Ref. 57126). Coloration: live specimens dark with silvery reflections; belly and underside of head lighter (Ref. 57126). Preserved specimens: usually dark brown on back and whitish on belly (Ref. 57126). | |||
| Biology: | ||||
| IUCN Red List Status: | Least Concern (LC); Date assessed: 14 January 2020 Ref. (130435) | |||
| Threat to humans: | harmless | |||