Trygonorrhina dumerilii, the southern fiddler ray, is a species of cartilaginous fish in the Trygonorrhinidae family.

The species is medium-sized with mainly yellow, black, and white colours.

[2] T. dumerilii has a maximum size of 1 m (3 ft 3 in),[2] and is common in southern Australia and also the eastern parts of the Bass Strait.

[3][4] T. dumerilii is rated least concern on the IUCN Red List.

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