Polypterus weeksii Boulenger, 1898
Mottled bichir
Polypterus weeksii
photo by Chang, Y.C.

 Family:  Polypteridae (Bichirs)
 Max. size:  54 cm TL (male/unsexed)
 Environment:  demersal
 Distribution:  Africa: middle Congo River basin (Ref. 3188) in Republic of Congo (Ref. 44840) and Democratic Republic of the Congo (Ref. 42907).
 Diagnosis:  Dorsal spines (total): 9-11; Anal spines: 10-14. Body more or less compressed (Ref. 42873, Ref. 42901, Ref. 42907). Body depth 6.5 to 9.5 times in standard length; head length 4.25 to 5.5 times in standard length (Ref. 42907). Upper jaw slightly prominent or of equal length with lower jaw (Ref. 1878, Ref. 42907). Number of dorsal finlets: 9-11 (Ref. 42908, Ref. 51884). Number of branched dorsal and caudal rays: 15 (Ref. 49956). Pectoral fin not reaching dorsal fin origin (Ref. 42873, Ref. 45628). Ganoid scales (Ref. 42904): 57-65 lateral line scales, 44-48 scales around body, 20-26 predorsal scales (Ref. 42908, Ref. 44840, Ref. 44985). Dorsal side olive-green to gray colored, ventral side yellowish; 7 or 8 blackish bars bifurcating on the lower parts of the flanks (Ref. 1878, Ref. 4904, Ref. 44985). Fins are spotted, marbled, or irregularly barred with black (Ref. 4904).
 IUCN Red List Status:   (Ref. 96402)
 Threat to humans:  harmless
 Country info:   

 Entered by: Froese, Rainer - 23.06.93
 Modified by: Boden, Gert - 27.11.03
 Checked by: Sa-a, Pascualita - 15.06.94

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