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RIBBON SWEETLIPS or Grunts  -   ©marika_treffert

Sweetlips are usually found either singly or in groups hovering over the reef during the day. They are nocturnal predators feeding on fish and benthic crustaceans.
In some areas sweetlips are known as “Grunts” because they “grunt”, the grunting sound is produced by their flat teeth plates rubbing together and this is amplified by their air bladders. Sweetlips can be distinguished from other species by their very large rubbery lips

(via starcrossed1)

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