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) >
Carcharhinidae (Requiem sharks)
白眼鮫科 (Requiem sharks)
Etymology: Nasolamia: nasus (L.), nose, referring to large, traverse nostrils and narrow conical snout; lamia, Greek for a shark-like fish (See ETYFish); velox: Latin for swift or speedy, allusion not explained, perhaps referring to its swimming velocity inferred by its slender form (See ETYFish).
More on author: Gilbert.
Environment: milieu / climate zone / depth range / distribution range
生態學
海洋 居於水底的; 深度上下限 15 - 192 m (Ref. 96339), usually 15 - 24 m (Ref. 9253). 熱帶; 32°N - 18°S, 122°W - 71°W
Eastern Pacific: Baja California, Mexico and the Gulf of California to Peru.
東太平洋: 墨西哥的下加利福尼亞與加州灣到祕魯。
Length at first maturity / 大小 / 重量 / 年齡
Maturity: Lm ?, range 90 - ? cm
Max length : 150 cm TL 雄魚/尚未辨別雌雄; (Ref. 244)
Found inshore and offshore on the continental shelves. Feeds on small bony fish, including anchovies, and crabs. Viviparous, with 5 young in a litter. Size at birth about 53 cm. Not known to have attacked people. Utilized fresh and frozen for human consumption and processed for fishmeal.
發現於岸邊了與外海在大陸棚上。 吃小的硬骨魚,包括鯷魚 , 與螃蟹。 胎生的,5 幼魚在一胎。 出生時的大小大約 53 公分。 不知道曾經攻擊過人。 生鮮使用與冷凍供人類消費而且加工成魚粉。
Life cycle and mating behavior
成熟度 | 繁殖 | 產卵場 | 卵 | 孕卵數 | 仔魚
Viviparous, placental (Ref. 50449). Five pups of about 53 cm TL in each litter (Ref. 28023). Distinct pairing with embrace (Ref. 205).東太平洋: 墨西哥的下加利福尼亞與加州灣到祕魯。
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 2024-1)
瀕危 (EN) (A2cd); Date assessed: 07 February 2019
人類使用
漁業: 低經濟
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Estimates based on models
Preferred temperature (Ref.
123201): 20.6 - 28.4, mean 26.6 °C (based on 38 cells).
Phylogenetic diversity index (Ref.
82804): PD
50 = 1.0000 [Uniqueness, from 0.5 = low to 2.0 = high].
Bayesian length-weight: a=0.00490 (0.00229 - 0.01045), b=3.08 (2.91 - 3.25), in cm total length, based on LWR estimates for this (Sub)family-body shape (Ref.
93245).
營養階層 (Ref.
69278): 4.2 ±0.74 se; based on food items.
回復力 (Ref.
120179): 非常低的, 最小族群倍增時間超過14 年 (Fec=5).
Fishing Vulnerability (Ref.
59153): Very high vulnerability (90 of 100).
Nutrients (Ref.
124155): Calcium = 26.2 [3.5, 136.1] mg/100g; Iron = 0.776 [0.202, 2.391] mg/100g; Protein = 20.7 [18.3, 22.9] %; Omega3 = 0.19 [0.08, 0.45] g/100g; Selenium = 53.5 [12.5, 160.5] μg/100g; VitaminA = 15.6 [5.7, 43.3] μg/100g; Zinc = 0.59 [0.28, 1.11] mg/100g (wet weight);
