Yellowmargin Triggerfish (Pseudobalistes flavimarginatus)
Bianca, Lembeh. Not the best of pics but just to annotate location. Triggerfishes are not easy to get close to. And if they are near their nest (on the sand floor) this is a big No-No. They will follow you and bite the heck out of you until you are out of their territory boundaries!...No, thank you... :-D
https://www.leisurepro.com/blog/scuba-guides/titan-triggerfish-attack/

The yellowmargin triggerfish, ''Pseudobalistes flavimarginatus'', are marine fish in the triggerfish family ''Balistidae''. They originate in coastal tropical waters and reefs of the Indo-Pacific from the Red Sea south to Natal, South Africa and east from southern Japan south to Indonesia, Philippines and Samoa. They can be found at water depths from 2–50 m .
These triggerfish can grow to a maximum length of 60 cm . They are marketed either fresh or dried for food, but are.. more
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