Neotrygon kuhlii syn. Trygon kuhlii
The species names / identity need verification. The original plates showed the fishes facing right and have been flipped here. Trygon kuhlii

Date 1878
Source Day, Francis (1878) The Fishes of India. Volume 2.
Author Francis Day
Source: https://commons.wikimedia.org/wiki/File%3ANaturalis_Biodiversity_Center_-_RMNH.ART.255_-_Neotrygon_kuhlii_%28Muller_and_Henle%2C_1841%29_-_Kawahara_Keiga_-_1823_-_1829_-_Siebold_Collection_-_pencil_drawing_-_water_colour.jpg


Kuhl's maskray (Neotrygon kuhlii), also known as the blue-spotted stingray, blue-spotted maskray, or Kuhl's stingray, is a species of stingray of the family Dasyatidae. The body is rhomboidal and colored green with blue spots. Maximum disk width is estimated 46.5 cm. It is popular in aquaria, but usually not distinguished from the blue-spotted ribbontail ray. The stingray’s lifespan is estimated at 13 years for females and 10 years for males. The blue-spotted stingray preys on many fish and small mollusks. It is also generally found from Indonesia to Japan, and most of Australia

Order: Myliobatiformes
Family: Dasyatidae
Genus: Neotrygon
Species: Neotrygon kuhlii (J. P. Müller & Henle, 1841)
Synonyms: Dasyatis kuhlii