Giant Grouper (Epinephelus lanceolatus) at Lady Elliot Island

Biodiversity #22 – Queensland Groper

Biodiversity #22 – Queensland Groper (Epinephelus lanceolatus). The largest bony fish associated with coral reefs growing to nearly 3m length. Has a large mouth and rounded tail. Diet includes sharks and young turtle.


Manta soars overhead at Wreck diving Lady Elliot Island. Scuba holiday travel planning for Lady Elliot Island - where, who and how

Biodiversity #10 – The Manta Ray

Biodiversity #10 – Manta rays are among the largest fish in the ocean, growing up to 7m from wing tip to wing tip. Manta rays also have the largest brain to body size ratio of any living fish. They are completely harmless unless you happen to be a plankton. They are aware of, and interact with divers.


Moorish Idol. In the family of Moorish Idol. (Scientific name: ZANCLIDAE). Taken at Lady Elliot Island by:

Moorish Idol

This is Fish ID 101: easily recognised by its long white banner-like dorsal fin filament. Body is almost circular, though with a clear snout. (Not to be confused with Bannerfish which are more truncate and triangular). Plays ‘Gill’ – the main aquarium protagonist – in ‘Finding Nemo’ movie.


Hawaiian (or Picasso) Triggerfish. In the family of Triggerfish. (Scientific name: BALISTIDAE). Taken at Lady Elliot Island by:

Hawaiian (or Picasso) Triggerfish

Classic trigger-shape: symmetrical rear dorsal and anal fins – though these are not coloured. Often referred to as the ‘Picasso trigger’ as the markings are a little surreal and look as if painted on. Yellow line from mouth to pectoral fin which looks like a jaw line – but isn’t; has three blue vertical lines […]