Atergatis floridus has an oval, relatively narrow carapace which has a smooth surface and smooth margins. The … See more

Atergatis floridus occurs in the eastern Indian Ocean from south east Asia, south to Australia where it reaches Rottnest Island in Western Australia and possibly Sydney in the east, its range extends eastwards across the … See more

Atergatis floridus is an inhabitant of the neritic zone and prefers coral and rubble. It is largely nocturnal. A. floridus is host to the isopod Gigantione hainanensis and the rhizocephalan barnacles Loxothylacus aristatus, L… See more

The meat of Atergatis floridus, like that of many related crab species from the family Xanthidae is toxic. The toxins are synthesised by bacteria of the genus Vibrio which live in symbiosis with the crab and the poisons ar… See more

Atergatis floridus was considered to have a wide Indo-Pacific distribution but some authorities consider that the western Indian Ocean specimens belong to a different species, Atergatis ocryoe, which was considered … See more

• Photos of Atergatis floridus on Sealife Collection See more