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: Parmaturus: parma (L.), from parme (Gr.), small shield; oura (Gr.), tail, presumably referring to upper edge of caudal fin “armed with modified” scales (per Garman 1913) (See ETYFish); xaniurus: xanion (Gr.), comb for carding wool; oura (Gr.), tail, referring to crest-like row of tooth-like projections along upper edge of caudal fin (See ETYFish).
More on author: Gilbert.
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 88 - 1250 m (Ref. 96339). 亞熱帶的; 39°N - 20°N
Eastern Central Pacific: central California, USA to the Gulf of California.
中太平洋東部: 美國加州中部到加州灣。
初熟時的長度 / 大小 / 重量 / 年齡
成熟度: Lm 45.0, range 43 - 47.5 cm
Max length : 45.0 cm TL 雄魚/尚未辨別雌雄; (Ref. 244); 55.0 cm TL (female)
簡短描述
檢索表 | 型態特徵 | 形態測量圖
Found on the outer continental shelf and upper slope. Feeds on a variety of small fish (e.g. lanternfish) and invertebrates. Oviparous. Possesses an enlarged gill region which is an adaptation to areas with low dissolved oxygen levels. Has a high concentration of squalene in its liver which affords it neutral buoyancy. Regularly caught by bottom trawlers but not utilized at all.
棲息於大陸棚外緣與上層斜坡了。 吃多種小魚 (例如燈籠魚) 與無脊椎動物。 卵生的。 持有一個擴大的鰓部是適應低容氧量地區。 有一個 squalene 的高集中在它的肝臟內那一個提供它中性浮力。 經常地被底拖網捕獲了但是一點也沒被利用。
生命週期和交配行為
成熟度 | 繁殖 | 產卵場 | 卵 | 孕卵數 | 仔魚
Oviparous, paired eggs are laid. Embryos feed solely on yolk (Ref. 50449).中太平洋東部: 美國加州中部到加州灣。
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))
無危 (LC) ; Date assessed: 16 September 2024
人類使用
漁業: 沒有興趣
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基於模型的估計
首選溫度 (參考文獻
123201): 6 - 14.9, mean 7.9 °C (based on 29 cells).
系統發育多樣性指數 (參考文獻
82804): PD
50 = 0.5078 [Uniqueness, from 0.5 = low to 2.0 = high].
Bayesian length-weight: a=0.00282 (0.00159 - 0.00500), b=3.08 (2.92 - 3.24), in cm total length, based on LWR estimates for this species & (Sub)family-body (Ref.
93245).
營養階層 (參考文獻
69278): 3.8 ±0.0 se; based on diet studies.
回復力 (參考文獻
120179): 低的, 最小族群倍增時間4.5 - 14 年 (Fec assumed to be <100).
釣魚的脆弱性 (Ref.
59153): Moderate vulnerability (42 of 100).
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