Table 1. Threatened species on the Great Barrier Reef.

		Listed threatened species
	Number of species recorded on the GBR*	Australia’s environment protection and biodiversity conservation act 1999	Global red list index (critically endangered, endangered or vulnerable)
Sponges#	2,500	0	Not assessed
Jellyfish#	100	0	Not assessed
Soft corals and sea pens#	150	0	Not assessed
Ascidians/tunicates#	720	0	Not assessed
Bryozoans#	950	0	Not assessed
Anemones#	40	0	Not assessed
Hard corals#	450	0	88
Echinoderms#	630	0	10
Crustaceans#	1,300	0	Not assessed
Molluscs#	3,000	0	2
Insects and arachnids#	25	0	Not assessed
Worms#	500	0	Not assessed
Bony fishes	1,625	1	5
Sharks and rays∞	136	9	21
Breeding sea snakes	14	0	0
Marine turtles	6	6	5
Whales and dolphins	30	6	4
Dugong	1	1	1
Total	12,177	23	136

Notes:

The number of animal species known to occur on the GBR contrasted with the number listed on national and global threatened species lists. Adapted from the 2014 Outlook Report (GBRMPA, 2014a) and the 2016 IUCN Red List.

^*Excludes crocodile, nesting seabirds, shorebirds, plankton and marine flora.

^#Best available estimate.

^∞A. Chin, 2016, unpublished data.