Etmopterus sculptus, Sculpted lanternshark

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Etmopterus sculptus Ebert, Compagno & De Vries, 2011

Sculpted lanternshark
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Native range | All suitable habitat | Point map | Year 2050
This map was computer-generated and has not yet been reviewed.
Etmopterus sculptus   AquaMaps   Data sources: GBIF OBIS
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Image of Etmopterus sculptus (Sculpted lanternshark)
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drawing shows typical species in Etmopteridae.

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

Elasmobranchii 板鰓亞綱 (鯊魚與魟魚) (sharks and rays) > Squaliformes (Sleeper and dogfish sharks) > Etmopteridae (Lantern sharks)
Etymology: Etmopterus: Greek, ethmos, -ou = sieve or ethmoides bone + Greek, pteron = wing, fin (Ref. 45335);  sculptus: The species name derives from the Latin sculpo, in allusion to the carved or sculpted appearance of its linear denticles (Ref. 87957).

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

海洋 深海底的; 深度上下限 240 - 1023 m (Ref. 106604).

分布 國家 | FAO區域 | 生態系 | 發現紀錄 | Point map | 簡介 | Faunafri

Southeast Atlantic and Southwest Indian Ocean: Namibia to southern Mozambique, and Madagascar Ridge.

Length at first maturity / 大小 / 重量 / 年齡

Maturity: Lm ?, range 42 - ? cm
Max length : 59.0 cm TL 雄魚/尚未辨別雌雄; (Ref. 106604); 51.5 cm TL (female)

簡短描述 型態特徵 | 形態測量圖

Etmopterus sculptus is a moderately large, stout, species of linear-denticled Etmopterus, which separates it from most other members of this genus, and can be distinguished from its three closest congeners within the E. Lucifer-group, E. brachyurus, E. lucifer, and E. molleri, by the length of its anterior flank markings being slightly longer than its posterior branch. The posterior branch of the flank markings on E. brachyurus and E. molleri are shorter relative to the anterior branch, and in E. lucifer, the anterior branch is nearly twice the length of the posterior branch. The new species can also be distinguished from its closest congeners by the arrangement of dermal denticles that extend over most of the upper and lower body surface. Etmopterus sculptus possesses non-overlapping denticles, giving it a rougher, more sculpted texture than these other aforementioned species. The arrangement of the dermal denticles onthe ventral head surface is also a good character for separating these species, with E. sculptus having uniformly distributed denticles while the ventral surface of E. Lucifer and E. molleri is sparsely covered with denticles. The ventral surface of the head of E. brachyurus typically lacks dermal denticles (Ref. 87957).

生物學特性     字彙 (例如 epibenthic)

This species is fairly common along the upper continental slopes between Namibia and southern Mozambique (Ref. 87957); upper slope, on or near the bottom (Ref. 5578). Observed mostly at depths between 450 and 900 m (Ref. 27644), but with records as shallow as 240 m (in Bass et al., 1976: listed as E. lucifer) (Ref. 87957). Feeds mainly on mid-water bony fish, also squid, octopus, shrimp and brittle stars (Ref. 5578).

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

Bears 2 young (Ref. 5578). Distinct pairing with embrace (Ref. 205).

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

Ebert, D.A., Compagno, L.J.V. and M.J. De Vries, 2011. A New Lanternshark (Squaliformes: Etmopteridae: Etmopterus) from Southern Africa. Copeia 2011(3):379-384. (Ref. 87957)

IUCN 瀕危狀態 (Ref. 130435)

  無危 (LC) ; Date assessed: 24 April 2018

CITES

Not Evaluated

CMS (Ref. 116361)

Not Evaluated

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Estimates based on models

Preferred temperature (Ref. 123201): 1.9 - 8, mean 2.3 °C (based on 14 cells).
Phylogenetic diversity index (Ref. 82804):  PD50 = 0.5000   [Uniqueness, from 0.5 = low to 2.0 = high].
Bayesian length-weight: a=0.00380 (0.00191 - 0.00758), b=3.09 (2.92 - 3.26), in cm total length, based on LWR estimates for this Genus-body shape (Ref. 93245).
營養階層 (Ref. 69278):  4.3   ±0.6 se; based on size and trophs of closest relatives
回復力 (Ref. 120179):  低的, 最小族群倍增時間4.5 - 14 年 (Deep-water species with low fecundity (RF)).
Fishing Vulnerability (Ref. 59153):  Moderate vulnerability (44 of 100).