Carapus acus, Pearl fish

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Carapus acus (Brünnich, 1768)

Pearl fish
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Carapus acus   AquaMaps   Data sources: GBIF OBIS
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Carapus acus
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分类 / Names 俗名 | 同种异名 | Catalog of Fishes(, ) | ITIS | CoL | WoRMS | Cloffa

Teleostei > Ophidiiformes (Cusk eels) > Carapidae (Pearlfishes) > Carapinae
Etymology:

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 1 - 150 m (Ref. 34024). 亞熱帶的; 42°N - 15°S

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

Eastern Atlantic: including the Mediterranean. Probably south to Ascension Island.
東大西洋: 包括地中海。 可能南至阿森松島。

大小 / 重量 / 年龄

Maturity: Lm ?  range ? - ? cm
Max length : 20.8 cm TL 雄鱼/尚未辨别雌雄; (Ref. 6347)

简单描述 型态特徵 | 形态测量图

背的软条 (总数): 37-39. Eel-like, moderate to shallow body depth; cardiform teeth present but restricted to upper jaw symphysis; swim bladder constricted forming two chambers; lacking enlarged dentary or premaxillary fangs, dentary diastema, pelvic fins and swim bladder rockerbone (Ref. 34024). Possesses a free, movable maxilla (Ref. 6347).
鳗鱼状又中等到浅的体高; 有钢丝刷状齿但是局限于上颌愈合处; 泳鳔压缩了形成二个腔室; 缺乏增大的齿骨或上颌骨前的尖牙,齿骨齿隙,腹鳍与泳鳔篦板骨.(参考文献 34024) 持有一个分离又可动的颚骨。 (参考文献 6347)

生物学特性     字汇 (例如 epibenthic)

Common species (Ref. 34024). Adults typically live as commensals in the gut of shallow-water holothurians, Holothuria tubulosa and Stichopus regalis (although some deep-water records exist, see Ref. 6347). Prejuveniles (tenuis larvae) probably inhabit the same host species while the vexillifer and egg-rafts are planktonic. The fish may partly protrude or entirely leave its host at night to feed on small fish and benthic invertebrates. Reproduction noted in July-September. (Ref. 4741).

普遍的种.(参考文献 34024) 成鱼典型地在浅水海参, Holothuria tubulosa Stichopus regalis 的消化道生活如共生动物。 (虽然一些深水域记录存在, 见参考文献 6347) 前期幼生 (tenuis 仔鱼) 可能居住于相同的寄主种,然而 vexillifer 与卵筏是浮游性。 鱼可能部分伸出或者完全地离开它的寄主在晚上觅食小鱼与底栖的无脊椎动物。 繁殖在七月-九月被记录到。 (参考文献 4741).

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

It is not yet established whether spawning is seasonal or sporadic in carapids. Eggs elliptical and planktonic (Ref. 6355). 東大西洋: 包括地中海。 可能南至阿森松島。

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

Nielsen, J.G., D.M. Cohen, D.F. Markle and C.R. Robins, 1999. Ophidiiform fishes of the world (Order Ophidiiformes). An annotated and illustrated catalogue of pearlfishes, cusk-eels, brotulas and other ophidiiform fishes known to date. FAO Fish. Synop. 125(18):178p. Rome: FAO. (Ref. 34024)

世界自然保护联盟红皮书 (Ref. 130435)

  最不相关 (LC) ; Date assessed: 08 July 2014

CITES

Not Evaluated

CMS (Ref. 116361)

Not Evaluated

对人类的威胁

  无害处的





人类利用

渔业: 没有兴趣
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Estimates based on models

Preferred temperature (Ref. 123201): 14.8 - 27.6, mean 19.4 °C (based on 324 cells).
Phylogenetic diversity index (Ref. 82804):  PD50 = 0.5312   [Uniqueness, from 0.5 = low to 2.0 = high].
Bayesian length-weight: a=0.00102 (0.00046 - 0.00225), b=3.06 (2.88 - 3.24), in cm total length, based on all LWR estimates for this body shape (Ref. 93245).
营养阶层 (Ref. 69278):  4.0   ±0.63 se; based on food items.
Fishing Vulnerability (Ref. 59153):  Low vulnerability (11 of 100).
Nutrients (Ref. 124155):  Calcium = 67 [15, 198] mg/100g; Iron = 1.05 [0.40, 4.30] mg/100g; Protein = 17.3 [14.9, 19.7] %; Omega3 = 0.31 [0.13, 0.70] g/100g; Selenium = 21.2 [4.7, 60.6] μg/100g; VitaminA = 16.9 [5.6, 51.0] μg/100g; Zinc = 0.785 [0.404, 1.528] mg/100g (wet weight);