A pair of A. frenatus nesting in their anemone (Entacmea quadricolor). (IMAGE)

University of Liège

A pair of A. frenatus nesting in their anemone (Entacmea quadricolor).

Caption

Despite having intermediate muscle mass and energy costs, this species rarely strays far from its host. Photo taken in Okinawa, Japan.

Credit

Manon Mercader

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