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) >
Myliobatiformes (Stingrays) >
Gymnuridae (Butterfly rays)
Etymology: Gymnura: Greek, gymnos = naked + Greek, oura = tail (Ref. 45335).
More on authors: Ramsay & Ogilby.
Environment: milieu / climate zone / depth range / distribution range
生态学
海洋 居于水底的; 深度上下限 250 - ? m (Ref. 114953). 熱帶; 2°S - 35°S, 111°E - 155°E (Ref. 114953)
Indo-West Pacific: northern Australia and south coast of New Guinea (Refs. 9819, 114953). Also in the Arafura Sea (Ref. 9819).
印度-西太平洋: 澳洲北部與新幾內亞的南部海岸。 也在阿拉弗拉海中.(參考文獻 9819)
Length at first maturity / 大小 / 重量 / 年龄
Maturity: Lm 37.5, range 35 - 40 cm
Max length : 94.0 cm WD 雄鱼/尚未辨别雌雄; (Ref. 114953); 最大体重: 7.4 kg (Ref. 114953)
A benthic species. Found on coastal to offshore on continental shelf in open sandy, muddy and silty habitat, including estuaries and intertidal zones. Mainly feeds on bony fishes (Ref. 114953). Ovoviviparous (Ref. 50449). Maturity size 35-42 cm WD (males) and 44-46 cm WD (females); hatch size 22-25 cm DW. Produces litters of 1-6 pups (Ref. 114953). Caught by shrimp trawlers.
生存于潮间带到至少 50 公尺深。 卵胎生的.(参考文献 50449) 被虾底拖网捕获了。
Life cycle and mating behavior
Maturities | 繁殖 | Spawnings | Egg(s) | Fecundities | 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).印度-西太平洋: 澳洲北部與新幾內亞的南部海岸。 也在阿拉弗拉海中.(參考文獻 9819)
Last, P.R. and J.D. Stevens, 1994. Sharks and rays of Australia. CSIRO, Australia. 513 p. (Ref. 6871)
人类利用
渔业: 低经济
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Estimates based on models
Preferred temperature (Ref.
123201): 25.6 - 28.7, mean 27.7 °C (based on 360 cells).
Phylogenetic diversity index (Ref.
82804): PD
50 = 0.5000 [Uniqueness, from 0.5 = low to 2.0 = high].
Bayesian length-weight: a=0.00776 (0.00352 - 0.01710), b=3.09 (2.89 - 3.29), in cm total length, based on LWR estimates for this (Sub)family-body shape (Ref.
93245).
营养阶层 (Ref.
69278): 3.8 ±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 assumed to be <10).
Fishing Vulnerability (Ref.
59153): Moderate to high vulnerability (51 of 100).
