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) >
Dasyatidae (Stingrays) > Dasyatinae
Etymology: Dasyatis: Greek, dasys = rough, dense (Ref. 45335).
Issue
Distribution needs review.
Environment: milieu / climate zone / depth range / distribution range
生态学
海洋 居于水底的; 深度上下限 1 - 110 m (Ref. 114953). 熱帶; 15°S - 36°S, 10°E - 34°E (Ref. 114953)
Southeast Atlantic: central Angola to at least St. Lucia, Natal, South Africa, possibly extending to Mozambique. Reported from the Comoros, Reunion and Madagascar (Ref. 33390).
東南大西洋: 安哥拉中部到至少聖露西雅 , 南非的納塔爾, 可能地延伸至莫三比克。 記錄來自科摩洛，留尼旺島與馬達加斯加了。 (參考文獻 33390)
大小 / 重量 / 年龄
Maturity: Lm ? range ? - ? cm
Max length : 75.0 cm WD 雄鱼/尚未辨别雌雄; (Ref. 36731)
Found in shallow bays, sheltered sandy beaches in summertime, moves to deeper waters during winter. Feeds on bony fishes and crustaceans such as crabs, shrimps and mantis shrimps (Ref. 36731); including sea lice and marine worms (Ref. 114953). Ovoviviparous (Ref. 50449). Litters of 1-5 pups (Ref. 114953). Often caught by shore anglers (Ref. 36731). It is parasitised by the monogenean Dendromonocotyle citrosa on the dorsal skin surface (Ref. 124058).
发现于浅湾,在夏天居住于沙滩了, 在冬天期间移动到较深的水域。 吃硬骨鱼类与甲壳动物例如螃蟹，虾与螳螂虾。 卵胎生的.(参考文献 50449) 时常被岸钓者钓获。 (参考文献 36731)
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).東南大西洋: 安哥拉中部到至少聖露西雅 , 南非的納塔爾, 可能地延伸至莫三比克。 記錄來自科摩洛，留尼旺島與馬達加斯加了。 (參考文獻 33390)
Cowley, P.D. and L.J.V. Compagno, 1993. A taxonomic re-evaluation of the blue stingray from southern Africa (Myliobatiformes: Dasyatidae). S. Afr. J. Mar. Sci. 13:135-149. (Ref. 33465)
人类利用
渔业: 商业性; 水族馆: 商业性
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特别资料
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Estimates based on models
Preferred temperature (Ref.
123201): 17.2 - 26.7, mean 24.8 °C (based on 64 cells).
Phylogenetic diversity index (Ref.
82804): PD
50 = 0.5002 [Uniqueness, from 0.5 = low to 2.0 = high].
Bayesian length-weight: a=0.00646 (0.00265 - 0.01571), b=3.06 (2.86 - 3.26), in cm total length, based on LWR estimates for this (Sub)family-body shape (Ref.
93245).
营养阶层 (Ref.
69278): 3.8 ±0.65 se; based on food items.
Generation time: 15.7 ( na - na) years. Estimated as median ln(3)/K based on 1
growth studies.
回复力 (Ref.
120179): 低的, 最小族群倍增时间4.5 - 14 年 (Assuming fecundity<100).
Fishing Vulnerability (Ref.
59153): Very high vulnerability (78 of 100).
