Eptatretus walkeri

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Eptatretus walkeri (McMillan & Wisner, 2004)

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Eptatretus walkeri   AquaMaps   Data sources: GBIF OBIS
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Image of Eptatretus walkeri
No image available for this species;
drawing shows typical species in Myxinidae.

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

Myxini 盲鳗纲 (丑鱼) (hagfishes) > Myxiniformes (Hagfishes) > Myxinidae (Hagfishes) > Eptatretinae
Etymology: Eptatretus: hepta (Gr.), seven; tretos (Gr.), perforated (i.e., with holes), referring to seven gill apertures on what would later be described as Homea banksii (=E. cirrhatus) [range within genus is 6-14 pairs of gill apertures]. (See ETYFish);  walkeri: In honor of Harold J. Walker, Jr., Collections Manager, Scripps Institution of Oceanography, for help in providing hagfish specimens and data, and for contributions to ichthyology. (See ETYFish).

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

海洋 居于水底的; 非迁移的; 深度上下限 75 - 120 m (Ref. 51420). 深水域

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

Northwest Pacific: Japan.
西北太平洋: 日本。

大小 / 重量 / 年龄

Maturity: Lm ?  range ? - ? cm
Max length : 51.8 cm TL 雄鱼/尚未辨别雌雄; (Ref. 51420)

简单描述 型态特徵 | 形态测量图

Six pairs of gill pouches (GP) and apertures (GA); GA closely spaced in a linear or slightly irregular pattern; each GA with pale margin. Fused cusps 3/2, total cusps 38-44. Prebranchial slime pores 16-20, total pores 69-79. Ventral finfold poorly developed to vestigial. Eyespots faint or absent (Ref. 51420).
六对的鳃囊 (GP) 与孔 (GA); GA 联机性或些微不规则的图案中间隔很密的; 每 GA 有灰白的边缘。 融合的尖头 3/2 ,总尖头 38-44. 前鳃黏液孔 16-20 ,总孔 69-79. 腹面鳍褶发展不良的到退化的。 眼斑模糊的或不存在.(参考文献 51420)

生物学特性     字汇 (例如 epibenthic)


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

西北太平洋: 日本。

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

McMillan, C.B. and R.L. Wisner, 2004. Review of the hagfishes (Myxinidae, Myxiniformes) of the northwestern Pacific Ocean, with descriptions of three new species, Eptatretus fernholmi, Paramyxine moki, and P. walkeri. Zool. Stud. 43(1):51-73. (Ref. 51420)

世界自然保护联盟红皮书 (Ref. 130435)

  数据缺失 (DD) ; Date assessed: 13 November 2009

CITES

Not Evaluated

CMS (Ref. 116361)

Not Evaluated

对人类的威胁

  无害处的





人类利用

FAO - Publication: search | FishSource |

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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 | 动物学的记录

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=0.00204 (0.00092 - 0.00452), b=2.93 (2.73 - 3.13), in cm total length, based on LWR estimates for this (Sub)family-body shape (Ref. 93245).
营养阶层 (Ref. 69278):  4.2   ±0.7 se; based on size and trophs of closest relatives
Fishing Vulnerability (Ref. 59153):  Moderate vulnerability (41 of 100).