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) >
Rhinopteridae (Cownose rays)
Etymology: Rhinoptera: Greek, rhinos = nose + Greek,pteron = fin, wing (Ref. 45335).
More on author: Müller.
Environment: milieu / climate zone / depth range / distribution range
生态学
海洋 居于水底的; 深度上下限 0 - 20 m (Ref. 114953). 熱帶; 30°N - 37°S, 105°W - 33°W (Ref. 114953)
Western Atlanitc: from the Gulf of Mexico to southern Brazil.
西南大西洋。 這種的有效性在 Compagno 1999 名錄懷疑了。 (參考文獻 35766)
大小 / 重量 / 年龄
Maturity: Lm ?  range ? - 78 cm
Max length : 104 cm WD 雄鱼/尚未辨别雌雄; (Ref. 114953); common length : 90.0 cm WD 雄鱼/尚未辨别雌雄; (Ref. 6077)
简单描述
检索表 | 型态特徵 | 形态测量图
Median row of teeth is wider transversely to their lengths. Upper jaw has 9 series of teeth. Brown above, brownish white below. Darker towards the tips of the pectorals (Ref. 6902).
齿的中动脉列是横切面宽于他们的长度。 上颌有 9个列牙齿。 背面褐色的, 腹面白褐色的。 比较深色的向胸鳍的顶端.(参考文献 6902)
A benthopelagic species found inshore over sandy bottoms from nearshore to about 20 m depth. Feeds mainly on molluscs (Ref. 114953). Ovoviviparous (Ref. 50449). Pups 38-48 cm disc width at birth (Ref. 114953).
卵胎生的.(参考文献 50449)
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).西南大西洋。 這種的有效性在 Compagno 1999 名錄懷疑了。 (參考文獻 35766)
Last, P.R., W.T. White, M.R. de Carvalho, B. Séret, M.F.W. Stehmann and G.J.P. Naylor, 2016. Rays of the world. CSIRO Publishing, Comstock Publishing Associates. i-ix + 1-790. (Ref. 114953)
人类利用
渔业: 低经济
工具
特别资料
下载 XML
网络资源
Estimates based on models
Phylogenetic diversity index (Ref.
82804): PD
50 = 0.5039 [Uniqueness, from 0.5 = low to 2.0 = high].
Bayesian length-weight: a=0.01148 (0.00463 - 0.02844), b=2.98 (2.76 - 3.20), in cm total length, based on LWR estimates for this (Sub)family-body shape (Ref.
93245).
营养阶层 (Ref.
69278): 3.6 ±0.5 se; based on size and trophs of closest relatives
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 (85 of 100).