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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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分類 / Names 共通名の | 類義語 | Catalog of Fishes(部類, ) | ITIS | CoL | WoRMS | Cloffa

> Ophidiiformes (Cusk eels) > Carapidae (Pearlfishes) > Carapinae

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

底生の; 移住性ではない; 深さの範囲 1 - 150 m (Ref. 34024). Subtropical; 42°N - 15°S

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Eastern Atlantic: including the Mediterranean. Probably south to Ascension Island.

サイズ / 重さ / 年齢

Maturity: Lm ?  range ? - ? cm
Max length : 20.8 cm TL オス/雌雄の選別がない; (Ref. 6347)

簡単な記述 検索表 | 形態学 | 形態計測学

背鰭 (合計) : 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).

生物学     用語集 (例 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).

Life cycle and mating behavior 成熟 | 繁殖 | 放精 | | 生産力 | 幼生

It is not yet established whether spawning is seasonal or sporadic in carapids. Eggs elliptical and planktonic (Ref. 6355).

主な参考文献 Upload your references | 参考文献 | コーディネーター | 協力者

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)

IUCNのレッドリストの状況は (Ref. 130435: Version 2024-1)

  軽度懸念 (LC) ; Date assessed: 08 July 2014

CITES

Not Evaluated

CMS (Ref. 116361)

Not Evaluated

人間に対する脅威

  Harmless





Human uses

水産業: 興味がない
FAO - Publication: search | FishSource |

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インターネットの情報源

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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).
栄養段階 (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);