Eridacnis radcliffei, Pygmy ribbontail catshark

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Eridacnis radcliffei Smith, 1913

Pygmy ribbontail catshark
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Native range | All suitable habitat | Point map | Year 2050
This map was computer-generated and has not yet been reviewed.
Eridacnis radcliffei   AquaMaps   Data sources: GBIF OBIS
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Image of Eridacnis radcliffei (Pygmy ribbontail catshark)
Eridacnis radcliffei
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分類 / Names 共通名の | 類義語 | Catalog of Fishes(部類, ) | ITIS | CoL | WoRMS | Cloffa

板鰓亜鋼(サメとエイ類) (sharks and rays) > Carcharhiniformes (Ground sharks) > Proscylliidae (Finback catsharks)
Etymology: Eridacnis: Etymology not explained, possibly eri-, Greek intensive particle (i.e., very), and dakno (Gr.), bite, referring to “wide, angular” mouth of E. radcliffei. (See ETYFish);  radcliffei: In honor of ichthyologist-malacologist Lewis Radcliffe (1880-1950), scientific assistant of the U.S. Bureau ofFisheries and member of team that collected holytype from aboard the fisheries steamer Albatross. (See ETYFish).
More on author: Smith.

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

深海魚; 深さの範囲 71 - 766 m (Ref. 10004). Deep-water; 22°N - 10°S

分布 国々 | 国連食糧農業機関の区域 | エコシステム | 事件 | Point map | 導入 | Faunafri

Indo-West Pacific: widely distributed but with spotty records from Tanzania, the Gulf of Aden, India (Gulf of Mannar, Bay of Bengal), Andaman Islands, Viet Nam, and the Philippines. The immense range of this species is striking compared to the limited ranges of other members of the genus.

Length at first maturity / サイズ / 重さ / 年齢

Maturity: Lm 15.5, range 15 - 16 cm
Max length : 23.0 cm TL オス/雌雄の選別がない; (Ref. 244); 24.0 cm TL (female)

簡単な記述 形態学 | 形態計測学

背面の脊椎 (合計): 0; 背鰭 (合計): 0; 肛門の骨 0; 臀鰭: 0. Caudal fin without a rippled dorsal margin and ventral lobe but with a strong subterminal notch; vertebral axis of caudal fin little raised above body axis (Ref. 13566). Dark brown with blackish markings on dorsal fins (Ref. 13566).

生物学     用語集 (例 epibenthic)

Occurs over muddy bottoms, on the upper continental and insular slopes and outer shelves (Ref. 244). Feeds mainly on small bony fishes and crustaceans, with squid a lesser item in the diet (Ref. 244). One of the two smallest living sharks (Ref. 13566). Ovoviviparous (Ref. 50449), with 1 to 2 pups in a litter (Ref. 244).

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

Ovoviviparous, embryos feed solely on yolk (Ref. 50449). 1-2 pups per litter, size at birth about 11 cm (Ref. 244).

主な参考文献 Upload your references | 参考文献 | コーディネーター : Compagno, Leonard J.V. | 協力者

Compagno, L.J.V., 1984. FAO Species Catalogue. Vol. 4. Sharks of the world. An annotated and illustrated catalogue of shark species known to date. Part 2 - Carcharhiniformes. FAO Fish. Synop. 125(4/2):251-655. Rome: FAO. (Ref. 244)

IUCNのレッドリストの状況は (Ref. 130435)

  軽度懸念 (LC) ; Date assessed: 24 April 2018

CITES

Not Evaluated

CMS (Ref. 116361)

Not Evaluated

人間に対する脅威

  Harmless (Ref. 13566)





Human uses

FAO - Publication: search | FishSource |

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国々
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シガテラ(食中毒の名前)
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Otoliths

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Estimates based on models

Preferred temperature (Ref. 123201): 9.3 - 18.6, mean 12.7 °C (based on 254 cells).
Phylogenetic diversity index (Ref. 82804):  PD50 = 0.6328   [Uniqueness, from 0.5 = low to 2.0 = high].
Bayesian length-weight: a=0.00389 (0.00180 - 0.00842), b=3.12 (2.94 - 3.30), in cm total length, based on all LWR estimates for this body shape (Ref. 93245).
栄養段階 (Ref. 69278):  4.1   ±0.3 se; based on diet studies.
回復力 (Ref. 120179):  非常に低い, 14年以上の倍増期間の最小個体群 (Fec=1).
Fishing Vulnerability (Ref. 59153):  Low vulnerability (14 of 100).
Nutrients (Ref. 124155):  Calcium = 14.4 [2.4, 98.2] mg/100g; Iron = 0.371 [0.078, 1.303] mg/100g; Protein = 18.1 [16.0, 20.2] %; Omega3 = 0.235 [0.091, 0.594] g/100g; Selenium = 8.99 [2.70, 29.75] μg/100g; VitaminA = 35.1 [6.9, 180.5] μg/100g; Zinc = 0.462 [0.219, 0.922] mg/100g (wet weight);