Eptatretus multidens

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Eptatretus multidens Fernholm & Hubbs, 1981

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Eptatretus multidens   AquaMaps   Data sources: GBIF OBIS
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Eptatretus multidens
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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: Greek, epta = seven + Greek, tretos, -e, -on = with holes (Ref. 45335).  More on authors: Fernholm & Hubbs.

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

; 海洋 深海底的; 非迁移的; 深度上下限 239 - 770 m (Ref. 31276), usually - m (Ref. ).   深水域; 0°C -

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Western Atlantic: Caribbean Sea and off French Guiana (Ref. 36999), including northeastern Brazil (Ref. 52140).
西大西洋: 加勒比海与外海的法属圭亚那 (参考文献 36999), 包括巴西东北部.(参考文献 52140)

大小 / 重量 / 年龄

Maturity: Lm ?  range ? - ? cm
Max length : 81.5 cm TL 雄鱼/尚未辨别雌雄; (Ref. 52140)

简单描述 型态特徵 | 形态测量图

Diagnosis: Gill pouches 6 pairs. Fused cusps 3 in both anterior and posterior rows of teeth; total cusps 50-58. No middorsal light stripe (Ref. 52140). Slime pores: prebranchial 14-16; branchial 5-7; trunk 52-55; tail 15; total 87-93 (Ref. 41105).
鉴别: 鳃囊 6 对。 融合的尖头 3 在前面与后面的列齿中; 总尖头 50-58. 没有背面中央的淡色条纹.(参考文献 52140) 黏液孔: 前鳃 14-16; 鳃的 5-7; 躯干 52-55; 尾部 15; 总计 87-93 。 (参考文献 41105)

生物学特性     字汇 (例如 epibenthic)

Minimum depth given from Ref. 52140.

给的最小深度从参考文献 52140.

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

Copulatory organ absent. The gonads of hagfishes are situated in the peritoneal cavity. The ovary is found in the anterior portion of the gonad, and the testis is found in the posterior part. The animal becomes female if the cranial part of the gonad develops or male if the caudal part undergoes differentiation. If none develops, then the animal becomes sterile. If both anterior and posterior parts develop, then the animal becomes a functional hermaphrodite. However, hermaphroditism being characterised as functional needs to be validated by more reproduction studies (Ref. 51361 ).西大西洋: 加勒比海与外海的法属圭亚那 (参考文献 36999), 包括巴西东北部.(参考文献 52140)

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

Fernholm, B., 1998. Hagfish systematics. p. 33-44. In J.M. Jørgensen, J.P. Lomholt, R.E. Weber and H. Malte (eds.) The biology of hagfishes. Chapman & Hall, London. 578 p. (Ref. 31276)

世界自然保护联盟红皮书 (Ref. 124695)

  最不相关 (LC) ; Date assessed: 11 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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Estimates based on models

Preferred temperature (Ref. 115969): 8.6 - 15.5, mean 11.5 °C (based on 79 cells).
Phylogenetic diversity index (Ref. 82805):  PD50 = 0.5000   [Uniqueness, from 0.5 = low to 2.0 = high].
Bayesian length-weight: a=0.00204 (0.00095 - 0.00438), b=2.92 (2.73 - 3.11), in cm total length, based on LWR estimates for this (Sub)family-body shape (Ref. 93245).
营养阶层 (Ref. 69278):  4.5   ±0.5 se; based on size and trophs of closest relatives
回复力 (Ref. 120179):  低的, 最小族群倍增时间4.5 - 14 年 (Fec assumed to be <100).
脆弱性 (Ref. 59153):  Moderate to high vulnerability (51 of 100) .