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Cephaloscyllium umbratile Jordan & Fowler, 1903

Blotchy swell shark
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Native range | All suitable habitat | Point map | Year 2050
This map was computer-generated and has not yet been reviewed.
Cephaloscyllium umbratile   AquaMaps   Data sources: GBIF OBIS
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Image of Cephaloscyllium umbratile (Blotchy swell shark)
Cephaloscyllium umbratile
Picture by Shao, K.T.

Common names from other countries

Draughtsboard shark, 복상어, Nanukazame, ... more

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

Elasmobranchii 板鰓亞綱 (鯊魚與魟魚) (sharks and rays) > Carcharhiniformes (Ground sharks) 真鯊目 (Ground sharks) > Scyliorhinidae (Cat sharks) 貓鮫科 (Cat sharks) > Scyliorhininae
Etymology: Cephaloscyllium: cephalus, from kephale (Gr.), head, referring to its very broad and depressed head; skylion, Greek for dogfish or small shark. (See ETYFish);  umbratile: Latin for shaded, described as “marbled above with shades of dark and deep brown”. (See ETYFish).
  More on authors: Jordan & Fowler.

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

海洋 礁區魚類; 深度上下限 20 - 500 m (Ref. 94801).   亞熱帶的

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

Western North Pacific: Japan Sea, East China Sea (Japan, Korea, China and Taiwan) (Ref. 94801); possibly up to New Zealand. Similar to Cephaloscyllium isabellum but the color pattern is different.
西太平洋: 日本到南中國海, 可能地到新幾內亞。 類似 頭鮫〔Cephaloscyllium isabellum〕 ，但是顏色圖案是不同的。

Length at first maturity / 大小 / 重量 / 年齡

Maturity: Lm 97.9, range 92 - 104 cm
Max length : 120 cm TL 雄魚/尚未辨別雌雄; (Ref. 95495); 110.0 cm (female)

簡短描述 檢索表 | 型態特徵 | 形態測量圖

This species is distinguished by the following characters: with three broad dark saddle blotches before first dorsal fin, the first saddle on posterior half of interorbital region and immediately behind eye, second saddle over pectoral fin base, and third saddle at middle between pectoral and pelvic fin bases; adults with dark and irregular spots, sometimes with white spots between the saddles (Ref. 94801).
整體的色彩是顏色淡的超過 C. isabellum, 有不規則的鞍狀斑與很多的斑塊與一個無斑點的腹面.(參考文獻 12951)

生物學特性     字彙 (例如 epibenthic)

Found on rocky reefs (Ref. 12951); near shore, down to 300 m on sandy mud bottoms (Ref. 11230). Feeds mainly on bony fishes such as mackerel, sardines, filefishes, moray eels, dragonets, flatfishes and cowfishes (Ref. 12951) but also preys on elasmobranches and squid (Ref. 12951). Oviparous (Ref. 50449). Thrives and breeds in public aquariums (Ref. 12951).

棲息於岩礁了;(參考文獻 12951) 近岸, 在沙泥底上向下至 300 公尺。 (參考文獻 11230) 主要吃硬骨魚類例如鯖，沙丁魚，屯魚，海鰻，鼠魚, 比目魚與海牛 (參考文獻 12951) 也捕食板鰓類與烏賊.(參考文獻 12951) 卵生的.(參考文獻 50449) 在公眾的水族館繁榮而且繁殖。 (參考文獻 12951)

Life cycle and mating behavior Maturities | 繁殖 | Spawnings | Egg(s) | Fecundities | 仔魚

Oviparous (Ref. 559), two tendril eggcases are deposited at one time (Ref. 12951). Embryos feed solely on yolk (Ref. 50449). Eggs hatch after about 1 year and size upon hatching is 16-22 cm (Ref. 12951).西太平洋: 日本到南中國海, 可能地到新幾內亞。 類似 頭鮫〔Cephaloscyllium isabellum〕 ，但是顏色圖案是不同的。

主要參考資料 Upload your references | 參考文獻 | 合作者 : Compagno, Leonard J.V. | 合作者

Nakaya, K., S. Inque and H.-C. Ho, 2013. A review of the genus Cephaloscyllium (Chondrichthyes: Carcharhiniformes: Scyliorhinidae) from Taiwanese waters. Zootaxa 3752(1):101-129. (Ref. 94801)

IUCN 瀕危狀態 (Ref. 130435)

  近危 (NT) (A2d); Date assessed: 28 August 2019

CITES (Ref. 128078)

Not Evaluated

CMS (Ref. 116361)

Not Evaluated

對人類具威脅

  無害處的 (Ref. 12951)




人類使用

漁業: 商業性; 水族館: 公眾的水族館
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Estimates based on models

Preferred temperature (Ref. 115969): 11.5 - 26.5, mean 19.2 (based on 435 cells).
Phylogenetic diversity index (Ref. 82804):  PD50 = 0.5000   [Uniqueness, from 0.5 = low to 2.0 = high].
Bayesian length-weight: a=0.00263 (0.00139 - 0.00497), b=3.21 (3.04 - 3.38), in cm Total Length, based on LWR estimates for this (Sub)family-body shape (Ref. 93245).
營養階層 (Ref. 69278):  4.5   ±0.76 se; based on food items.
回復力 (Ref. 120179):  低的, 最小族群倍增時間4.5 - 14 年 (Fec assumed to be <100).
Fishing Vulnerability (Ref. 59153):  Moderate to high vulnerability (49 of 100).
價格種類 (Ref. 80766):   Low.