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Elasmobranchii (hajar och rockor) (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 Ekologi

marina bottenlevande. Subtropical

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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).

Size / Vikt / Age

Maturity: L_m ? range ? - ? cm
Max length : 60.9 cm WD hane/ej könsbestämd; (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 Könsmognad | Reproduktion | Lek | Ägg | Fecundity | Larver

Main reference Upload your references | referenser | Koordinator : McEachran, John | Medarbetare

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)

IUCN Red List Status (Ref. 130435)

Least Concern (LC) ; Date assessed: 19 July 2019

CITES

Not Evaluated

CMS (Ref. 116361)

Not Evaluated

Threat to humans

Harmless

Human uses

FAO - Publication: search | FishSource |

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Estimates based on models

Phylogenetic diversity index (Ref. 82804): PD₅₀ = 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).

Trofisk nivå (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).

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Gymnura lessae Yokota & Carvalho, 2017