Size: 6 to 16 in.
ID: Black, pale blue lines along base of dorsal and anal fins
Class: Actinopterygii / Ray-finned fishes
Order: Tetraodontiformes / Boxfishes
Family: Balistidae / Triggerfishes or Leatherjackets
Genus Species: Melichthys niger / Black Durgon
Habitat: Over Reefs
Typical food: omnivorous but ingests more plant material (grazes on benthic algae) than planktonic animals (pteropods, crab larvae, siphonophores, salps)
Other information: shy and if frightened they wedge into a crevice or hole for safety and use their "trigger" (stout head spine and second smaller spine which moves forward and locks the first one vertically to the rock).
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