Gymnura bimaculata

(Norman, 1925)


Twin-spot butterfly ray
Classification: Elasmobranchii Myliobatiformes Gymnuridae

Reference of the original description
Norman, J.R. (1925)
Two new fishes from China. Annals and Magazine of Natural History, (Series 9), 16(92), 270

Image of the original description
No image in first description.

Types
Gymnura bimaculata
Holotype: BMNH: 1925.4.23.3;


Description :


Citation: Gymnura bimaculata (Norman, 1925): In: Database of modern sharks, rays and chimaeras, www.shark-references.com, World Wide Web electronic publication, Version 04/2024

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Common names
eng Twin-spot butterfly ray

Distribution
Northwest Pacific: known from the type locality, Yenting, Chekiang Province, China. Source: www.gbif.org

Biology
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 [733]. Distinct pairing with embrace [17086].

Habitat
demersal; marine

Remarks
shark-references Species-ID=2566;

Parasites (arranged by Jürgen Pollerspöck)
Monogenea
  • Monocotyle undosocirrus Timofeeva, 1984 [17001]