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); lessae: Named for Dr. Rosangela Lessa, Brazilian researcher working for the conservation of sharks and rays in her country..
Environment: milieu / climate zone / depth range / distribution range
生态学
海洋 居于水底的.
Western Atlantic: USA, from southern Massachusetts and Buzzards Bay to the Gulf of Mexico (including the Gulf Coast of the US and Mexico). And probably may be extended to the northern Caribbean Sea (Bahamas and Jamaica).
大小 / 重量 / 年龄
Maturity: Lm ?  range ? - ? cm
Max length : 60.9 cm WD 雄鱼/尚未辨别雌雄; (Ref. 116399); 110.0 cm WD (female)
This demersal species lives along the coast on sandy and muddy bottoms. Reported stomach contents include fishes, crustaceans, molluscs and other invertebrates. This species is matrotophic viviparous (lipid histotrophy). Young are reported to be produced from late May through July and into August, and probably even later in the season. Pregnancy is reported to occur during the summer months (Ref. 116399).
Life cycle and mating behavior
Maturities | 繁殖 | Spawnings | Egg(s) | Fecundities | 仔鱼
Yokota, L. and M.R. de Carvalho, 2017. Taxonomic and morphological revision of butterfly rays of Gymnura micrura (Bloch & Schneider, 1801) species complex, with the description of two new species (Myliobatiformes: Gymnuridae). Zootaxa 4332(1):1-74. (Ref. 116399)
人类利用
工具
特别资料
下载 XML
网络资源
Estimates based on models
Phylogenetic diversity index (Ref.
82804): PD
50 = 0.5000 [Uniqueness, from 0.5 = low to 2.0 = high].
Bayesian length-weight: a=0.01000 (0.00244 - 0.04107), b=3.04 (2.81 - 3.27), in cm total length, based on all LWR estimates for this body shape (Ref.
93245).
营养阶层 (Ref.
69278): 3.8 ±0.6 se; based on size and trophs of closest relatives
Fishing Vulnerability (Ref.
59153): Moderate to high vulnerability (51 of 100).