Eviota
Eviota is a genus of fishes in the family Gobiidae. Species of the genus are commonly known as dwarfgobies and found in the Indo-Pacific region from Japan to Australia and from Africa to Pitcairn Island. Species of the genus Eviota are mainly associated with coral reefs. Many of these fish are short-lived, with life cycles as brief as 3.5 weeks in the tropics. Some species are hermaphrodites and some representatives live symbiotically among the tentacles of the mushroom coral.