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) >
Squatiniformes (Angel sharks)
琵琶鮫目 (Angel sharks) >
Squatinidae (Angel sharks)
琵琶鮫科(Angel sharks) (Angel sharks)
Etymology: Squatina: Latin for skate, which angel sharks superficially resemble, presumably tautonymous with Squalus squatina Linnaeus 1758 (no species mentioned) (See ETYFish); japonica: -ica (L.), belonging to: Japan, referring to Nagasaki, type locality (See ETYFish).
More on author: Bleeker.
Environment: milieu / climate zone / depth range / distribution range
生态学
海洋 居于水底的. 亞熱帶的; 41°N - 19°N, 111°E - 139°E (Ref. 54906)
Northwest Pacific: Japan, Yellow Sea, Korea, and northern China.
西太平洋: 日本，黃海，韓國，中國北部與菲律賓。
大小 / 重量 / 年龄
Maturity: Lm ? range ? - ? cm
Max length : 200 cm TL 雄鱼/尚未辨别雌雄; (Ref. 247)
背棘 (总数) : 0; 臀棘: 0. Japanese angelshark Squatina japonica has broad pectoral fins with rounded free rear tips, posterior margin nearly straight, inner margin strongly convex; nasal barbels simple and spatulate. Anterior nasal flaps smooth to weakly fringed; dermal folds on sides of head without lobes. Rear tip of inner margin of pelvic fins considerably anterior to origin of first dorsal; very short hypocercal tail. Rows of moderately large spines on midline of back and tail from head to dorsal fins and between fin bases, and on snout and above eyes. Body color blackish brown with small dark and pale spots; no ocelli (eye-like spot) (Ref. 247, 31369, 12951).
日本琵琶鲛 Squatina 日本产植物 宽的胸鳍有圆形的鳍游离后端，后缘几乎是直的, 内缘强烈中凸; 鼻骨触须单一而竹片状的。 前鼻瓣平滑的到微弱地边缘了; 没有叶的在头侧上的表皮的摺层。 腹鳍的内缘的后顶端非常地位于第一背鳍的起源前; 非常短的 hypocercal 尾部。 在背面与从头部到背鳍的尾部中联机的列的普通大的棘与在鳍的基底之间, 与在吻与眼睛上方上。 体色暗褐色的有小黑而灰白的斑点; 没有假眼斑 (眼状的斑点).(参考文献 247,31369,12951)
A little-known angelshark, found on or near the bottom (Ref. 247). Lives in sandy ground. A carnivore that eats benthic animals (Ref. 9137). Ovoviviparous (Ref. 50449). Utilized for human consumption and for preparation of shagreen (Ref. 247).
所知极少的琵琶鲛, 发现在底部上面或附近。 (参考文献 247) 生活在沙的地面。 一个吃底栖的动物的食肉动物.(参考文献 9137) 卵胎生的.(参考文献 50449) 供人类食用与对于鲨鱼皮的材料.(参考文献 247)
Life cycle and mating behavior
成熟度 | 繁殖 | 产卵场 | 卵 | 孕卵数 | 仔鱼
Ovoviviparous, embryos feed solely on yolk (Ref. 50449).西太平洋: 日本，黃海，韓國，中國北部與菲律賓。
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 1 - Hexanchiformes to Lamniformes. FAO Fish. Synop. 125(4/1):1-249. Rome, FAO. (Ref. 247)
世界自然保护联盟红皮书 (Ref. 130435: Version 2024-2)
极度濒危 (CR) (A2d); Date assessed: 29 August 2019
人类利用
渔业: 低经济
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特别资料
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Estimates based on models
Preferred temperature (Ref.
123201): 5.7 - 20.7, mean 17.3 °C (based on 123 cells).
Phylogenetic diversity index (Ref.
82804): PD
50 = 0.5000 [Uniqueness, from 0.5 = low to 2.0 = high].
Bayesian length-weight: a=0.00676 (0.00295 - 0.01551), b=3.07 (2.88 - 3.26), in cm total length, based on LWR estimates for this Genus-body shape (Ref.
93245).
营养阶层 (Ref.
69278): 3.5 ±0.37 se; based on food items.
回复力 (Ref.
120179): 低的, 最小族群倍增时间4.5 - 14 年 (Fec assumed to be <100).
Fishing Vulnerability (Ref.
59153): Very high vulnerability (90 of 100).
