Giant_Shovelnose_Ray

The common shovelnose ray or giant shovelnose ray is a species of fish in the Rhinobatidae family found near Australia, Bangladesh, India, Indonesia, Malaysia, Singapore, Sri Lanka, and Vietnam. Its natural habitats are open seas, shallow seas, and estuarine waters.

This species has been tested for colour vision using choice experiments that control for brightness. It is the first rigorous behvioural evidence for colour vision in any elasmobranch.