it's a Polypterus [SIZE=+2]palmas buettikoferi from Guinea or Senegal[/SIZE]
,in fishbase.org,they are some depict:
棘 (总数
: 7 - 10; 臀棘 0; 臀鳍软条: 13 – 15; 脊椎骨: 56 – 58. Cylindrical body (Ref. 28149). Upper jaw a little longer than lower jaw (Ref. 28149). Number of dorsal finlets: 7-10 (Ref. 28149, Ref. 51884). Pectoral fin not reaching dorsal fin origin (Ref. 28149). Scales: 51-57 lateral line scales, 33-38 scales around body, 22-27 predorsal scales (Ref. 28149, Ref. 51884). Dorsal surface of the body is grey colored, ventral surface uniform pale (Ref. 28149). The flanks have numerous small grey spots; the specimens of Guinea and Senegal show a few large, well-separated blotches on the flanks (Ref. 28149). The fleshy base of the pectoral fin grey colored on the posterior side (Ref. 28149). Dorsal fin spotted, pelvic fin unpigmented, pectoral, caudal and anal fins dark (Ref. 28149).
"
"
,in fishbase.org,they are some depict:
棘 (总数

"
"