Mastacembelus polli : fisheries

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Mastacembelus polli Vreven, 2005

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分类 / Names 俗名 | 同种异名 | Catalog of Fishes(属, 种) | ITIS | CoL | WoRMS | Cloffa

Teleostei > Synbranchiformes (Spiny eels) > Mastacembelidae (Spiny eels)
Etymology: Mastacembelus: Greek, mastax, -agos = bite + Greek, emballo = to throw oneself (Ref. 45335);  polli: Named in honor of Prof. Dr. Poll, a famous Belgian ichthyologist who pioneered ichthyological studies on Lake Tanganyika (Ref. 56055).

Environment: milieu / climate zone / depth range / distribution range 生态学

; 淡水 居于水底的. 热带

分布 国家 | FAO区域 | 生态系 | 标本纪录 | Point map | 简介 | Faunafri

Africa: endemic to and widely distributed in Lake Tanganyika (Ref. 56055).
非洲: 坦噶尼喀湖.(参考文献 56055)

大小 / 重量 / 年龄

Maturity: Lm ?  range ? - ? cm
Max length : 14.0 cm SL 雄鱼/尚未辨别雌雄; (Ref. 56055)

简单描述 型态特徵 | 形态测量图

背棘 (总数): 22 - 29; 背的软条 (总数): 68-87; 臀棘 2; 臀鳍软条: 70 - 98; 脊椎骨: 72 - 84. The species has protruding eyes, a small rostral appendage, a protruding lower jaw, a pointed caudal fin and a more elongated pectoral-fin shape (Ref. 56055). Posterior angle of lips is situated below the region from the middle from the eye up to a distance of about one-third of the diameter behind posterior border of eye (Ref. 56055). Upper corner of gill opening and dorsal edge of pectoral-fin base approximately at same level, clearly anterior to ventral edge of pectoral-fin base; dorsal edge of pectoral-fin base situated above upper corner of the gill opening (Ref. 56055). Lateral line continuous from posterior border of head up to one-third or half of distance between head and anus, discontinuous more posteriorly (Ref. 56055). Preanal length always shorter than postanal length; distance from anterior border of snout to last externally visible dorsal spine always longer than distance from anterior border of snout to last externally visible anal spine, and as a result origin of soft dorsal fin always posterior compared to origin of soft anal fin (Ref. 56055). Dorsal spines increasing in size from first to last (Ref. 56055). One well-developed, externally visible anal spine; a very small almost entirely reduced spine, hidden under the skin, can be present (Ref. 56055). Preopercular and preorbital spines are absent (Ref. 56055). It has a uniformly light brown overall background colour with numerous small, round, dark brown spots on the dorsal part of head, body and tail (Ref. 56055). Background colour lighter, more yellowish white on lips, ventral region of head, belly and most ventral part of tail (Ref. 56055). Pectoral fins whitish transparent without spots; dorsal, caudal and anal fins also whitish transparent (Ref. 56055).
此鱼种有凸出眼，一个小的嘴附肢，一个凸出下颌，一个尖的尾鳍与一个比较瘦长的胸鳍形状。 (参考文献 56055) 唇的在后部角被位于区域从中央从眼下面向上到距离大约三分之一直径在后眼的后缘.(参考文献 56055) 鳃裂与胸鳍基底的背缘的上面角落大约在相同的水平, 清楚地位于胸鳍基底的腹边缘前; 胸鳍基底的背缘位于鳃裂的上面角落上面了。 (参考文献 56055) 来自头部的后缘的侧线连续向上到三分之一或者一半的头部与肛门之间的距离, 不连续的更在后部.(参考文献 56055) 肛门前部分的长度总是短於肛門後的長度; 來自總是持續外部看得見的背棘來自持續外部看得見的臀鰭硬棘, 而且總是作為一個軟背鰭的結果起源軟臀鰭的在後部被相較於的起源吻的前緣的長度超過距離的吻的前緣的距離.(參考文獻 56055) 背棘在大小方面增加從第一支到最後一支.(參考文獻 56055) 一個發展良好的, 外部看得見的臀鰭硬棘; 一非常小的幾乎完全地縮小的棘, 在皮膚下面藏, 能在場.(參考文獻 56055) 前鰓蓋骨與眶前骨棘缺席。 (參考文獻 56055) 它有一均勻地在頭部，身體與尾部的背部部份上的淡褐色整體的背景顏色有很多的小﹐圓的﹐和深褐色的斑點.(參考文獻 56055) 背景顏色較淡, 更黃白色在唇，頭部的腹面區域, 腹面與尾部的大多數腹部份上.(參考文獻 56055) 沒有斑點的胸鰭微白色的透明; 背鰭、尾鰭與臀鰭也微白色的透明.(參考文獻 56055)

生物学特性     字汇 (例如 epibenthic)

Coastal in distribution; habitat is rocky bottom, flagstone, rock slides and pebbles (Ref. 56055).

这种的栖息地是岩石的底部，石板，岩石幻灯片与小圆石。 (参考文献 56055)

Life cycle and mating behavior 成熟度 | 繁殖 | 产卵场 | 卵 | 孕卵数 | 仔鱼

非洲: 坦噶尼喀湖.(参考文献 56055)

主要参考文献 Upload your references | 参考文献 | 合作者 | 合作者

Vreven, E.J., 2005. Redescription of Mastacembelus ophidium Günther, 1893 (Synbranchiformes: Mastacembelidae) and description of a new spiny eel from Lake Tanganyika. J. Nat. Hist. 39(18):1539-1560. (Ref. 56055)

世界自然保护联盟红皮书 (Ref. 130435)

  不评价 

CITES

Not Evaluated

CMS (Ref. 116361)

Not Evaluated

对人类的威胁

  无害处的





人类利用

渔业:
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Estimates based on models

Phylogenetic diversity index (Ref. 82804):  PD50 = 0.5000   [Uniqueness, from 0.5 = low to 2.0 = high].
Bayesian length-weight: a=0.00257 (0.00122 - 0.00544), b=2.97 (2.79 - 3.15), in cm total length, based on LWR estimates for this (Sub)family-body shape (Ref. 93245).
营养阶层 (Ref. 69278):  3.6   ±0.6 se; based on size and trophs of closest relatives
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 vulnerability (10 of 100).
价格分类 (Ref. 80766):   Unknown.