Trygonorrhina fasciata (Eastern Fiddler Ray)

https://bie.ala.org.au/species/https://biodiversity.org.au/afd/taxa/840bf304-5df4-4442-9bb7-77f758debb61

http://fishesofaustralia.net.au/home/species/3378

(Previously Banjo Ray)

The triangular to diamond shaped mark behind the eyes is diagnostic for this species. The otherwise similar T. dumerilii (Southern Fiddler Ray) doesn't have such a mark.