Gogo atratus : fisheries

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Gogo atratus Ng, Sparks & Loiselle, 2008

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Gogo atratus
Male picture by Loiselle, P.V.

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

Teleostei > Siluriformes (Catfishes) > Anchariidae (Vaonas)
Etymology: Gogo: Gogo is the Malagasy word most commonly used to refer to members of Anchariidae.;  atratus: The specific epithet comes from the Latin atratus, meaning clothed in black, in reference to the dark colouration of this species in preservative (Ref. 75790).

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

; 淡水 居于水底的.

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

Africa: Mananara du Nord River drainage in northeastern Madagascar (Ref. 75790).

大小 / 重量 / 年龄

Maturity: Lm ?  range ? - ? cm
Max length : 17.1 cm SL 雄鱼/尚未辨别雌雄; (Ref. 75790)

简单描述 型态特徵 | 形态测量图

背棘 (总数): 2; 背的软条 (总数): 7; 臀棘 0; 臀鳍软条: 11 - 12; 脊椎骨: 43 - 44. Diagnosis: Gogo atratus is distinguished from congeners in having a longer snout, 54.8-56.4% of head length vs. 47.1-54.3%; and faintly mottled dark gray colouration vs. uniform brown, highly mottled dark gray and cream, or mottled brownish-gray (Ref. 75790). It further differs from Gogo ornatus in having a larger eye in specimens larger than 110 mm standard length, eye diameter 13.0-14.3% of head length vs. 9.2-12.5% (Ref. 75790). It differs from G. brevibarbis in having unicuspid teeth vs. bicuspid, and a smaller eye, eye diameter 13.0-14.3% of head length vs. 19.5% (Ref. 75790). It differs from G. arcuatus in having a narrower head, head width 17.8-18.9% of standard length vs. 20.8-21.0% and interorbital distance 28.9-30.5% of head length vs. 34.8-35.1%; smaller eye, eye diameter 13.0-14.3% of head length vs. 17.7-18.6%; shorter dorsal spine, 17.7-20.6% of standard length vs. 21.2-21.8%; shorter pectoral spine, 16.5-18.9% of standard length vs. 19.9-20.2%; and a straight dorsoposterior margin of the dorsal fin vs. concave (Ref. 75790).

生物学特性     字汇 (例如 epibenthic)

Found over an open sand/cobble bottom interspersed with scattered rocky ourcroppings at a depth of less than 1 m; the water is clear, with the bottom consisting of either sand or rock/cobble; the bottom is lightly overlain with leaf litter in quieter stretches of the river (Ref. 75790).

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


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

Ng, H.H., J.S. Sparks and P.V. Loiselle, 2008. A new species of catfish of the genus Gogo from the Northeastern Madagascar (Siluriformes: Anchariidae). Copeia 2008(2):395-400. (Ref. 75790)

世界自然保护联盟红皮书 (Ref. 130435)

  数据缺失 (DD) ; Date assessed: 02 July 2016

CITES

Not Evaluated

CMS (Ref. 116361)

Not Evaluated

对人类的威胁

 





人类利用

渔业:
FAO - Publication: search | FishSource |

更多信息

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生态毒物学
繁殖
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孕卵数

卵的发育
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Otoliths
脑重体重比
眼睛色素

工具

特别资料

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网络资源

AFORO (otoliths) | Aquatic Commons | BHL | Cloffa | BOLDSystems | Websites from users | 核实 FishWatcher | CISTI | Catalog of Fishes: , | DiscoverLife | ECOTOX | FAO - Publication: search | Faunafri | Fishipedia | Fishtrace | GenBank: 基因组, 核苷酸 | GloBI | Google Books | Google Scholar | Google | IGFA World Record | MitoFish | Otolith Atlas of Taiwan Fishes | PubMed | Reef Life Survey | Socotra Atlas | 树状分类阶层 | Wikipedia: 转至, 搜寻 | World Records Freshwater Fishing | Zoobank | 动物学的记录

Estimates based on models

Phylogenetic diversity index (Ref. 82804):  PD50 = 0.5781   [Uniqueness, from 0.5 = low to 2.0 = high].
Bayesian length-weight: a=0.00389 (0.00180 - 0.00842), b=3.12 (2.94 - 3.30), in cm total length, based on all LWR estimates for this body shape (Ref. 93245).
营养阶层 (Ref. 69278):  3.3   ±0.4 se; based on size and trophs of closest relatives
Fishing Vulnerability (Ref. 59153):  Low vulnerability (11 of 100).