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Dasyatis hastata
Picture by Modder, T.
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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) > Dasyatidae (Stingrays) > Dasyatinae
Etymology: Dasyatis: Greek, dasys = rough, dense (Ref. 45335). More on author: DeKay.
Etymology: Dasyatis: Greek, dasys = rough, dense (Ref. 45335). More on author: DeKay.
Environment: milieu / climate zone / depth range / distribution range 生态学
; 海洋; 半咸淡水 居于水底的. 溫帶
分布 国家 | FAO区域 | 生态系 | 标本纪录 | Point map | 简介 | Faunafri
大小 / 重量 / 年龄
A coastal species, occasionally entering lagoons, shallow bays and estuaries (Ref. 81259). Ovoviviparous (Ref. 50449).
卵胎生的.(参考文献 50449)
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).大西洋。
主要参考文献
Upload your references | 参考文献 | 合作者 : McEachran, John | 合作者
Séret, B., 2003. Dasyatidae. p. 81-96. In D. Paugy, C. Lévêque and G.G Teugels (eds.) The fresh and brackish water fishes of West Africa Volume 1. Collection Faune et Flore Tropicales 40. Institut de recherche de développement, Paris, France, Muséum national d'histoire naturelle, Paris, France and Musée royal de l'Afrique Central, Tervuren, Belgium, 457p. (Ref. 81259)
对人类的威胁
无害处的
人类利用
渔业:
FAO(Publication : search) | FishSource |
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特别资料
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Estimates based on models
Phylogenetic diversity index (Ref. 82805): PD50 = 0.5002 [Uniqueness, from 0.5 = low to 2.0 = high].
Bayesian length-weight: a=0.00676 (0.00280 - 0.01630), b=3.07 (2.87 - 3.27), in cm total length, based on LWR estimates for this (Sub)family-body shape (Ref. 93245).
营养阶层 (Ref. 69278): 3.8 ±0.7 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 (Assuming fecundity<100).
脆弱性 (Ref. 59153): High vulnerability (59 of 100) .