| Alestidae (African tetras) |
| 2.1 cm SL (male/unsexed) |
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pelagic; freshwater; pH range: 5.80000019073486 - 6.5; dH range: 4 |
| Africa: found in small coastal basins in the southern areas of Ghana and Côte d'Ivoire (Ref. 2880, 81279). |
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Anal spines: 0-0; Anal soft rays: 11-12. Diagnosis: peculiar in having only one fine scale on each side of the base of the anal fin; well developed parietal fontanel (Ref. 2880, 81279).
Description: premaxilla with a total of 16 conical teeth aligned in single row; mandible with 20-24 conical teeth, also in single row; anal fin with 2 unbranched and 9-10 branched rays; sexual dimorphism affecting coloration and anal-fin shape (Ref. 2880, 81279): males with rounded anal fin while females with pointed anal fin (Ref. 2880).
Coloration: males with translucid yellow body; at least a dozen brown spots; posterior and caudal-fin lobes tinged with violet; violet transverse stripe on anal and pelvic fins; tiny melanophores on back; no concentration of melanophores along anal-fin base in males; females same colour but without dark spots; melanophores scattered over entire body and fins, but concentrated along anal-fin base, tips of anterior anal-fin rays and on caudal-fin lobes (Ref. 2880, 81279). |
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Vulnerable (VU); Date assessed: 22 March 2019 (B1ab(iii)) Ref. (130435)
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| harmless |
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