Pollimyrus cuandoensis : fisheries

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Pollimyrus cuandoensis Kramer, van der Bank & Wink, 2013

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drawing shows typical species in Mormyridae.

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

Teleostei > Osteoglossiformes (Bony tongues) > Mormyridae (Elephantfishes)
Etymology: Pollimyrus: Because of Dr. Max Poll, ichthyologist + Greek, myros, -ou = the male of the morey eel;  cuandoensis: The species name cuandoensis refers to the Kwando (Cuando) River that passes through the Caprivi Strip, Namibia (Ref. 94890).

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

; 淡水 底中水层性.

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Africa: lower section of Kwando River, Caprivi Strip, Namibia (Ref. 94890). Also reported from the Angolan Zambezi basin (Ref. 120641).

大小 / 重量 / 年龄

Maturity: Lm ?  range ? - ? cm
Max length : 6.5 cm SL 雄鱼/尚未辨别雌雄; (Ref. 94890)

简单描述 型态特徵 | 形态测量图

背棘 (总数): 0; 背的软条 (总数): 15-18; 臀棘 0; 臀鳍软条: 21 - 24. Diagnosis: Number of scales around caudal peduncle 12-16, predorsal length63.3-68.5% of standard length, dorsal fin length 14.0-18.1% of standard length, anal fin length 18.0-24.1% of standard length, distance from pectoral fin origin to pelvic fin origin 15.0-18.7% of standard length, caudal peduncle length 18.9-24.0% of standard length, caudal peduncle depth 32.1-41.4% of caudal peduncle length, length of snout 40.5-50.0% of head length, body depth 24.6-30.5% of standard length, dorsal fin rays 15-18, anal fin rays 21-24, scales in linear series along lateral line row 44-55, distance from tip of snout to anal fin origin 58.4-63.4% of standard length, length of pectoral fin 76.3-92.5% of head length, distance from dorsal fin origin to end of caudal peduncle 37.9-42.6% of standard length, eye diameter 23.7-30.5% of head length, head length 22.5-26.3% of standard length, and distance between the pair of nares of one side 8.31-9.92 times in head length (Ref. 94890). Electric organ discharge with 5 phases and last phase P2 not stronger than P1 (Ref. 94890).

生物学特性     字汇 (例如 epibenthic)

This species prefers to hide in weeds if present, floating or not, often high up in water column, sometimes even at the surface under a water lily leaf in bright sunlight; also found on rocky bottom, hiding in crevices and holes (Ref. 94890). It will often not struggle in weeds brought to shore, so as not to raise attention (Ref. 94890).

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


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

Kramer, B., H. van der Bank and M. Wink, 2013. Marked differentiation in a new species of dwarf stonebasher, Pollimyrus cuandoensis sp. nov. (Mormyridae: Teleostei), from a contact zone with two sibling species of the Okavango and Zambezi rivers. J. Nat. Hist. 48(7-8):429-463. (Ref. 94890)

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

 





人类利用

渔业:
FAO - Publication: search | FishSource |

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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=0.00562 (0.00251 - 0.01261), 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   ±0.3 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).