Polypterus weeksii Boulenger, 1898
Mottled bichir
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).
 Biology: 
 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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