Negombata magnifica, commonly known as toxic finger-sponge, is a species of sponge found from the Red Sea and the Indian Ocean.
Its reddish-brown narrow crooked branches can grow up to 70 centimetres (28 in).
Negombata magnifica is extremely toxic because of the toxin latrunculin.
[1] [2] [3] Negombata magnifica lives on shallow coral reefs in the northern waters of the Red Sea .
When touched, it releases a strongly smelling, reddish juice, which instantaneously makes all the fish flee away.