分类 / Names
俗名 | 同种异名 | Catalog of Fishes (gen., sp.) | ITIS | CoL | WoRMS | Cloffa
Elasmobranchii
板鳃亚纲 (鲨鱼与 鱼) (sharks and rays) >
Myliobatiformes (Stingrays) >
Gymnuridae (Butterfly rays)
Etymology: Gymnura: Greek, gymnos = naked + Greek, oura = tail (Ref. 45335). More on author: Shaw.
Environment: milieu / climate zone / depth range / distribution range
生态学
; 海洋 居于水底的. 熱帶
Indo-Pacific: Persian Gulf (Ref. 68964), Red Sea to French Polynesia, north to Japan. Also reported from Persian Gulf (Ref. 96002).
印度-太平洋: 紅海到法屬玻里尼西亞,北至日本。
Length at first maturity / 大小 / 重量 / 年龄
Maturity: Lm 48.0  range ? - ? cm
Max length : 250 cm WD 雄鱼/尚未辨别雌雄; (Ref. 30573)
Found on sandy bottoms of shallow inshore waters and offshore banks (Ref. 30573). Ovoviviparous (Ref. 50449). Feeds mainly on crustaceans and clams (Ref. 68964). Caught often in demersal trawls, and occasionally by trammel net. Utilized for its meat, but of limited value due to its typically small size (Ref.58048).
栖息于沿岸浅水区水域与近海浅堆的砂质底部了。 (参考文献 30573) 卵胎生的.(参考文献 50449)
Life cycle and mating behavior
成熟度 | 繁殖 | 产卵场 | 卵 | 孕卵数 | 仔鱼
Exhibit ovoviparity (aplacental viviparity), with embryos feeding initially on yolk, then receiving additional nourishment from the mother by indirect absorption of uterine fluid enriched with mucus, fat or protein through specialised structures (Ref. 50449). Distinct pairing with embrace (Ref. 205). Gives birth to litters of up to 7 pups; born at 24-26 cm WD (Ref. 58048).印度-太平洋: 紅海到法屬玻里尼西亞,北至日本。
Sommer, C., W. Schneider and J.-M. Poutiers, 1996. FAO species identification field guide for fishery purposes. The living marine resources of Somalia. FAO, Rome. 376 p. (Ref. 30573)
CITES (Ref. 118484)
Not Evaluated
人类利用
渔业: 商业性
更多信息
参考文献养殖养殖信息品种遗传学基因序列遗传率疾病加工Mass conversion
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Estimates based on models
Preferred temperature (Ref.
115969): 25.2 - 29.2, mean 28.5 (based on 2718 cells).
Phylogenetic diversity index (Ref.
82805): PD
50 = 0.5000 [Uniqueness, from 0.5 = low to 2.0 = high].
Bayesian length-weight: a=0.00794 (0.00477 - 0.01323), b=3.00 (2.85 - 3.15), in cm Total Length, based on LWR estimates for this species & (Sub)family-body (Ref.
93245).
营养阶层 (Ref.
69278): 3.9 ±0.6 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=1-6).
脆弱性 (Ref.
59153): Moderate to high vulnerability (51 of 100) .