Gymnura bimaculata
(Norman, 1925)
Twin-spot butterfly ray
Classification: Elasmobranchii Myliobatiformes Gymnuridae
Reference of the original description
Two new fishes from China. Annals and Magazine of Natural History, (Series 9), 16(92), 270
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.
No image in first description.
Description :
Citation: Gymnura bimaculata (Norman, 1925): In: Database of modern sharks, rays and chimaeras, www.shark-references.com, World Wide Web electronic publication, Version 12/2024
Common names
Twin-spot butterfly ray
Twin-spot butterfly ray
Distribution
Northwest Pacific: known from the type locality, Yenting, Chekiang Province, China. Source: www.gbif.org
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].
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
demersal; marine
Remarks
shark-references Species-ID=2566;
shark-references Species-ID=2566;
Parasites (arranged by Jürgen Pollerspöck)
Monogenea
Cestoda
Nematoda
Copepoda
Isopoda
Monogenea
- Monocotyle undosocirrus Timofeeva, 1984 [17001]
Cestoda
- Pterobothrium sp. [24952]
Nematoda
- Echinocephalus pleroplatae Wang, Zhao & Chen, 1978 [21235]
Copepoda
- Eudactylina gymnuri Izawa, 2011 [14349]
Isopoda
- Gnathia trimaculata Coetzee, Smit, Grutter & Davies, 2009 [17188]