Broad Stingray Bathytoshia lata/(prev. Dasyatis thetidis)

Broad Stingray
Broad Stingray
Broad Stingray
The Broad Stingray, also called the Brown, is native to sandy and muddy coastal bays, reefs and estuaries of the Indo-Pacific from southern Africa to Hawaii, and the eastern Atlantic. Despite its "Brown" name, its topside, which can be dark brown, is often dark grey or black sometimes with mottled light patches. The underside is white.
Broad Stingray
Broad Stingray
Broad Stingray
It is one of the largest marine stingrays, growing to up to 1.5 metres wide and 2.5 metres long including its tail. The tail has a venomous spine about a third of the way along. Images above show its size compared to the Javanese Cownose Ray. It has a serrated stinging spine and thorns along the base of its tail and denticles along the tail.
It is related to the (Giant) Black Stingray and the Short-tail Stingray, both of the southern Indo-Pacific coasts off southern Africa and off Australia/New Zealand, both of which are larger: the former 1.8m across and 4 metres long with thorns also on the disc and the latter 2 metres across and just over 4 metres long with white spots along the side of the head (nothing short about the Short-tail, but the tail is only just longer than the massive disc). The Broad Stingray is classed as vulnerable.