Chrysichthys praecox Hardman & Stiassny, 2008

Family:  Claroteidae (Claroteid catfishes), subfamily: Claroteinae
Max. size:  6.25 cm SL (male/unsexed)
Environment:  demersal; freshwater,
Distribution:  Africa: only known from Lake Mai-Ndombe (middle Congo River basin), Democratic Republic of the Congo (Ref. 78725).
Diagnosis:  This species is distinguished from other Chrysichthys by having vomerine accessory toothplates forming a smooth arc, narrowly separated in midline and broadening posteriorly in adult males; narrow and sharply pointed supraoccipital process; upper jaw extending beyond lower jaw; strong postcleithral process; maxillary barbel length 2,7-4,8 times in standard length; nasal barbel reaching the orbit; uniformly dark pigmentation; and 14-19 gill rakers on the first gill arch (Ref. 78725).
Biology:  Lac Mai-Ndombe is a 'blackwater' lake with an acidic pH (4.0-5.5); maximum depth is 10 m; limits increase dramatically during seasonal rains; C. praecox is a small claroteid catfish with marked secondary sexual dimorphism; matures at small size (Ref. 78725).
IUCN Red List Status: Not Evaluated (N.E.) Ref. (130435)
Threat to humans:  harmless


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