| Family: |
Distichodontidae (Distichodus) |
| Max. size: |
3.5 cm SL (male/unsexed) |
| Environment: |
pelagic; freshwater, |
| Distribution: |
Africa: Nyong and Ntem (Ref. 81638) in Cameroon. In the Congo basin known from the Dja (Ref. 7094, 51193) and Lobeke (Ref. 80507) in Cameroon. Report from the Luilaka River (Ruki drainage) in Democratic Republic of the Congo (Ref. 93897) is a misidentification of Nannocharax hastatus (Ref. 96084). |
| Diagnosis: |
Dorsal spines (total): 0-0; Dorsal soft rays (total): 12-14; Anal spines: 0-0; Anal soft rays: 12-15. Diagnosis: body elongate; only 1 row of teeth in each jaw; only anterior portion of lateral line pored (Ref. 81638).
Description: body depth 0.19-0.21 SL, slightly laterally compressed; mouth terminal with 1 row of bicuspid teeth in each jaw; maxilla edentulous, premaxilla and dentary each with 6 outer row teeth; tip of pelvic fin reaching ¾ of distance to vent; caudal fin lobes pointed and without scale covering; body scales ctenoid and moderately sized; lateral line with pores only on anterior 5-6 scales even in largest examined individuals; 46-48 scales in longitudinal series (including pored scales); D: II-III,10-11; A: II-III,10-12 (Ref. 81638).
Coloration: preserved specimens yellow to light brown; dark chromatophores on dorsal portion of head, lateral surfaces of snout, lateral surface of lower lip and mid-portion of opercle; large, dark spot on lateral surface of posterior portion of caudal peduncle and mid-basal portions of the caudal rays; largest specimen with irregular band of dark chromatophores that extends from supraleithrum to dark spot beginning on rear of caudal peduncle (Ref. 81638). |
| Biology: |
|
| IUCN Red List Status: |
Least Concern (LC); Date assessed: 16 February 2009 Ref. (130435)
|
| Threat to humans: |
harmless |
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