Eptatretus strickrotti, Strickrott's hagfish

Eptatretus strickrotti Møller & Jones, 2007

Strickrott's hagfish
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Eptatretus strickrotti
Picture by Møller, P.R.

分類 / Names 俗名 | 同種異名 | Catalog of Fishes(, ) | ITIS | CoL | WoRMS | Cloffa

Myxini 盲鰻綱 (醜魚) (hagfishes) > Myxiniformes (Hagfishes) 盲鰻目 (Hagfishes) > Myxinidae (Hagfishes) 盲鰻科 (Hagfishes) > Eptatretinae
Etymology: Eptatretus: Greek, epta = seven + Greek, tretos, -e, -on = with holes (Ref. 45335);  strickrotti: Named in honor of DSV Alvin pilot Mr. Bruce Strickrott, in recognition of his expertise with Alvin and slurp-gun capture of the holotype specimen and other mobile hydrothermal vent animals.

Environment: milieu / climate zone / depth range / distribution range 生態學

; 海洋 深海底的; 深度上下限 2100 - 2300 m (Ref. 74406).    ; 37°S - 38°S, 111°W - 110°W (Ref. 74406)

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South eastern Pacific: East Pacific Rise vent site. Possible wider distribution 30° northward and depth range down to 2900m if the individuals filmed at Grommit, Oasis, and Yaquina vent sites are the same species.

大小 / 重量 / 年齡

Maturity: Lm ?  range ? - ? cm
Max length : 31.4 cm 雄魚/尚未辨別雌雄; (Ref. 74406)

簡短描述 型態特徵 | 形態測量圖

Slender body than other species, depth 2.9% TL (at pharyngocutaneous duct); paired and median ventral nasal sinus papillae both present, and 10 afferent branchial arteries on the medial ventral aorta; slime pores: 18 prebranchial, 12 branchial, 70 trunk, 19 caudal, total 119; 12 gill pouches and apertures; pharyngocutaneous duct widely separated from the opening of posterior left gill apertures; 3 multicusps in anterior row and 2 in posterior row, total cusps 46; paired dorsal nasal sinus papillae; eyespot absent; body coloration pink.

生物學特性     字彙 (例如 epibenthic)

First record of a myxine record in a hydrothermal vent. Fourth record of a myxine species below 2000m (Ref. 74406). Known from one specimen only, the holotype (in 2007). Possibly, individuals filmed at Grommit, Oasis, and Yaquina vent sites pertain to the same species (Ref. 74406).

Life cycle and mating behavior 成熟度 | 繁殖 | 產卵場 | | 孕卵數 | 仔魚


主要參考資料 Upload your references | 參考文獻 | 合作者 | 合作者

Møller, P.R. and W.J. Jones, 2007. Eptatretus strickrotti n. sp. (Myxinidae): first hagfish captured from a hydrothermal vent. Biol. Bull. 212:55-66. (Ref. 74406)

IUCN 瀕危狀態 (Ref. 123251)

  無危 (LC) ; Date assessed: 11 November 2009

CITES (Ref. 123416)

Not Evaluated

CMS (Ref. 116361)

Not Evaluated

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Estimates based on models

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=2.93 (2.73 - 3.13), in cm total length, based on LWR estimates for this (Sub)family-body shape (Ref. 93245).
營養階層 (Ref. 69278):  4.4   ±0.5 se; based on size and trophs of closest relatives
回復力 (Ref. 120179):  .
瀕危性 (Ref. 59153):  Moderate vulnerability (42 of 100) .