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Habitat and EcologyHabitat and Ecology
This species tends to be site attached; individuals have been known to stay in the same hole for months or even years. Juveniles are found individually, but it is not uncommon to find more than one male in the same area. In some cases, males will even share the same hole within the sandy substrate. During the day, individuals feed on small fishes that pass close to the burrow entrance.
Rhinomuraena quaesita has several characteristics that have lead experts to suggest that it should be placed in its own family the Rhinomuraenidae; these include the positioning of its kidneys and most of its reproductive organs posterior to the anus (a unique condition that has not been reported in any other vertebrate) (Michael 1998).
This species is a protandrous hermaphrodite, i.e., all females are derived from males that have changed sex.