Photo of Animalia: Honeycomb Oyster (species: Hyotissa hyotis) (Lizard Island Field Guide)

Two individuals of Hyotissa hyotis spawning at Eyrie Reef at 11.07 am on 23 Dec 2015. Photo taken from surface. Spawn is white from the individual at left, yellowish from the individual at right. Current is moving from top right to bottom left of the image, roughly south to north along the reef edge.

© Anne Hoggett