分類 / 名稱
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) >
Pentanchidae (Deepwater catsharks)
Etymology: Bythaelurus: bythos (Gr.), depths of the sea, referring to its deepwater habitat; ailouros (Gr.), cat, probably an allusion to the vernacular “catshark,” so named for its cat-like eyes (See ETYFish); lutarius: Latin for “of the mud,” referring to its habitat on or just above muddy bottoms at 338-766 m (See ETYFish).
環境: 環境 / 氣候帶 / 深度上下限 / 配送範圍
生態學
海洋 深海底的; 深度上下限 338 - 766 m (Ref. 5510). 深水域; 13°N - 29°S
Western Indian Ocean: off Mozambique and Somalia.
西印度洋: 莫三比克外海 (參考文獻 5578) 與索馬利亞。
初熟時的長度 / 大小 / 重量 / 年齡
成熟度: Lm ?, range 30 - ? cm
Max length : 34.0 cm TL 雄魚/尚未辨別雌雄; (Ref. 244); 39.0 cm TL (female)
簡短描述
檢索表 | 型態特徵 | 形態測量圖
背棘 (總數) : 0; 臀棘: 0. A slender, dwarf catshark with a moderately long snout and short labial furrows; caudal fin without crest of enlarged denticles (Ref. 5578). Dull grey-brown, paler ventrally, with few poorly defined dorsal saddles that may be visible (Ref. 5510).
Body shape (shape guide): elongated.
一個細長又矮小的貓鯊具有一個中等長度的吻與短的唇溝; 沒有增大細齒的冠的尾鰭.(參考文獻 5578) 暗灰褐色﹐腹側灰白的, 有些貧乏地定義可能是的背部的鞍狀斑看得見的.(參考文獻 5510)
Found on the continental slope on or just above muddy substrates (Ref. 5578). Feeds on cephalopods, small bony fishes, and crustaceans (Ref. 5578). Probably caught with bottom trawls (Ref. 30573).
棲息於大陸斜坡或其上的泥質底部了。 (參考文獻 5578) 吃頭足類動物,小的硬骨魚類與甲殼動物。 (參考文獻 5578) 可能用底拖網捕獲了。 (參考文獻 30573)
生命週期和交配行為
成熟度 | 繁殖 | 產卵場 | 卵 | 孕卵數 | 仔魚
Ovoviviparous, with 2 pups per litter (Ref. 5510).西印度洋: 莫三比克外海 (參考文獻 5578) 與索馬利亞。
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 瀕危狀態 (Ref. 130435: Version 2025-2 (Global))
人類使用
漁業: 沒有興趣
工具
特別的報告
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網路資源
基於模型的估計
系統發育多樣性指數 (參考文獻 82804) |
PD50 = 0.5001 [Uniqueness, from 0.5 = low to 2.0 = high]. |
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Bayesian length-weight
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a=0.00347 (0.00171 - 0.00701), b=3.09 (2.91 - 3.27), in cm total length, based on LWR estimates for this (Sub)family-body shape (Ref. 93245). |
營養階層 (參考文獻 69278) |
4.2 ±0.56 se; based on food items. |
回復力 (參考文獻 120179) |
非常低的, 最小族群倍增時間超過14 年 (Fec=2). |
釣魚的脆弱性 (Ref. 59153) |
Low vulnerability (23 of 100). 🛈 |