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Cladistii >
Polypteriformes (Bichirs) >
Polypteridae (Bichirs)
Etymology: Polypterus: Greek, poly = a lot of + Greek, pteron = wing, fin (Ref. 45335); polli: Named in honor of Prof. Max Poll (Ref. 46409).
Environment: milieu / climate zone / depth range / distribution range
生态学
; 淡水 居于水底的. 熱帶
Africa: lower and middle Congo River basin (Ref. 28149, 46409) in Cameroon, Republic of Congo and Democratic Republic of the Congo.
非洲: 下游及中游的剛果河流域.(參考文獻 3188, 參考文獻 28149, 參考文獻 46409)
大小 / 重量 / 年龄
Maturity: Lm ? range ? - ? cm
Max length : 32.1 cm SL 雄鱼/尚未辨别雌雄; (Ref. 28149)
简单描述
检索表 | 型态特徵 | 形态测量图
背棘 (总数) : 5 - 7; 臀棘: 0; 臀鳍软条: 14; 脊椎骨: 50 - 56. Cylindrical body (Ref. 28149, Ref. 46409). Upper jaw a little longer than lower jaw (Ref. 28149). Number of dorsal finlets: 5-7 (Ref. 28149, Ref. 51884); used to distinguish Polypterus palmas polli from P. p. palmas and P. p. buettikoferi (Ref. 28149). Pectoral fin not reaching dorsal fin origin (Ref. 28149). Ganoid scales (Ref. 42904): 52-55 lateral line scales, 32-39 scales around body, 22-28 predorsal scales (Ref. 28149, Ref. 51884). Dorsal surface and flanks with large black blotches, forming a dense reticulate pattern, ventral surface uniform pale (Ref. 28149). The fleshy base of the pectoral fin with a large grey to black spot (Ref. 28149, Ref. 46409). Dorsal fin spotted, pectoral fin with a striped pattern in some specimens, pelvic fin pale and anal fin sometimes slightly colored (Ref. 28149).
圆筒形的身体.(参考文献 28149, 参考文献 46409) 上颌稍微长度超过下颌.(参考文献 28149) 背部离鳍的数字: 5-7;(参考文献 28149, 参考文献 51884) 用来区别来自 P. p 的 Polypterus palmas polli。 palmas 与 P. p。 buettikoferi.(参考文献 28149) 胸鳍不延伸到背鳍起点。 (参考文献 28149) 硬鳞:(参考文献 42904) 52-55个侧线鳞片,32- 身体的周围 39个鳞片,22-28个前背的鳞片.(参考文献 28149, 参考文献 51884) 具有大的黑色斑块的背面与侧面, 形成一个密集的网状图案，腹面全灰白色的.(参考文献 28149) 肉质基底那胸鳍有一个大的灰色到黑色的斑点.(参考文献 28149, 参考文献 46409) 背鳍有斑点的, 在一些标本中胸鳍有一个斑纹, 腹鳍灰白的与臀鳍有时些微彩色.(参考文献 28149)
Facultative air-breathing (Ref. 126274); This entomophagous fish lives in swamps and zones of flood (Ref. 41580).
这个以昆虫为食的鱼生活在沼泽与洪泛区中。 (参考文献 41580)
Life cycle and mating behavior
Maturities | 繁殖 | Spawnings | Egg(s) | Fecundities | 仔鱼
非洲: 下游及中游的剛果河流域.(參考文獻 3188, 參考文獻 28149, 參考文獻 46409)
Suzuki, D., M.C. Brandley and M. Tokita, 2010. The mitochondrial phylogeny of an ancient lineage of ray-finned fishes (Polypteridae) with implications for the evolution of body elongation, pelvic fin loss, and craniofacial morphology in Osteichthyes. BMC Evolutionary Biology 10:1-12. (Ref. 88084)
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Estimates based on models
Phylogenetic diversity index (Ref.
82804): PD
50 = 0.5002 [Uniqueness, from 0.5 = low to 2.0 = high].
Bayesian length-weight: a=0.00457 (0.00195 - 0.01073), b=3.05 (2.85 - 3.25), in cm total length, based on LWR estimates for this (Sub)family-body shape (Ref.
93245).
营养阶层 (Ref.
69278): 3.2 ±0.40 se; based on food items.
回复力 (Ref.
120179): 高度, 族群倍增时间少于 15个月 (Preliminary K or Fecundity.).
Fishing Vulnerability (Ref.
59153): Low to moderate vulnerability (29 of 100).
![Image of Polypterus polli (Poll\](/images/thumbnails/gif/tn_POLYPTT0.gif "Image of Polypterus polli (Poll\")