分类 / Names
俗名 | 同种异名 | Catalog of Fishes(属, 种) | ITIS | CoL | WoRMS | Cloffa
Elasmobranchii
板鳃亚纲 (鲨鱼与 鱼) (sharks and rays) >
Carcharhiniformes (Ground sharks) >
Pentanchidae (Deepwater catsharks)
Etymology: Apristurus: a-, Latin privative, i.e., without; pristis, from pristes (Gr.), sawyer (but here meaning saw); oura (Gr.), tail, referring to absence of saw-toothed crest of enlarged dermal denticles along upper edge of caudal fin as found in the closely related Pristiurus (=Galeus). (See ETYFish); parvipinnis: parvus (L.), small; pinnis (L.), fin, referring to first dorsal fin 2-4 times smaller than second dorsal fin. (See ETYFish).
Environment: milieu / climate zone / depth range / distribution range
生态学
海洋 深海底的; 深度上下限 600 - 1380 m (Ref. 44037). 深水域; 30°N - 6°N
Western Atlantic: northeastern Gulf of Mexico off Florida, Gulf of Campeche, Panama, Colombia, and off French Guiana. Had been originally termed Apristurus indicus by Springer (1966) but apparently not conspecific with the Indian Ocean species.
西大西洋: 佛羅里達外的墨西哥灣東北部，坎佩切灣，巴拿馬，哥倫比亞與外海的法屬圭亞那。 已經本來被稱 Springer(1966) 的 Apristurus indicus 但是顯然地不與印度洋種同種。
大小 / 重量 / 年龄
Maturity: Lm ? range ? - ? cm
Max length : 48.0 cm TL 雄鱼/尚未辨别雌雄; (Ref. 244); 52.0 cm TL (female)
Second dorsal fin distinctly larger than the first (Ref. 13608).
第二背鳍鳍明显大于第一个.(参考文献 13608)
Found on the continental slope. Oviparous, apparently laying one egg per oviduct at a time. The most common Apristurus species in the Gulf of Mexico, along with A. laurussonii.
栖息于大陆斜坡了。 卵生的, 显然每个输卵管一次放置一个卵。 在墨西哥湾最普遍的 Apristurus 种, 以及 A. laurussonii 。
Life cycle and mating behavior
成熟度 | 繁殖 | 产卵场 | 卵 | 孕卵数 | 仔鱼
Oviparous, paired eggs are laid. Embryos feed solely on yolk (Ref. 50449).西大西洋: 佛羅里達外的墨西哥灣東北部，坎佩切灣，巴拿馬，哥倫比亞與外海的法屬圭亞那。 已經本來被稱 Springer(1966) 的 Apristurus indicus 但是顯然地不與印度洋種同種。
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)
人类利用
渔业: 自给性渔业
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Estimates based on models
Preferred temperature (Ref.
123201): 5.2 - 10.4, mean 6.4 °C (based on 83 cells).
Phylogenetic diversity index (Ref.
82804): PD
50 = 0.5000 [Uniqueness, from 0.5 = low to 2.0 = high].
Bayesian length-weight: a=0.00355 (0.00176 - 0.00714), b=3.09 (2.91 - 3.27), in cm total length, based on LWR estimates for this (Sub)family-body shape (Ref.
93245).
营养阶层 (Ref.
69278): 3.9 ±0.4 se; based on size and trophs of closest relatives
回复力 (Ref.
120179): 非常低的, 最小族群倍增时间超过14 年 (Fec assumed to be <10).
Fishing Vulnerability (Ref.
59153): Moderate vulnerability (41 of 100).
