Fish of Indonesia – O

Various species photographed in 2023. All photos copyright by Martin Holladay and Karyn Patno.

Obtuse barracuda – Sphyraena obtusata
Obtuse Elysia nudibranch – Elysia obtusa
Oceanic manta ray – Manta birostris
Olive anthias – Pseudanthias olivaceus
Onespot damsel – Chrysiptera unimaculata
Onespot damsel juvenile – Chrysiptera unimaculata
Onespot snapper – Lutjanus monostigma
Orange anemonefish – Amphiprion sandaracinos
Orangeband surgeonfish – Acanthurus olivaceus
Orange-lined triggerfish – Balistapus undulatus
Orange socket surgeonfish – Acanthurus auranticavus
Orangespine unicornfish – Naso lituratus
Orange-spotted trevally – Carangoides bajad
Orange-spotted trevally – variation – Carangoides bajad
Orange-striped emperor – Lethrinus obsoletus
Orbicular cardinalfish – Sphaeramia orbicularis
Oriental sweetlips – Plectorhinchus vittatus
Oriental sweetlips juvenile – Plectorhinchus vittatus
Ornate butterflyfish – Chaetodon ornatissimus
Ornate emperor – Lethrinus ornatus
Ornate leopard wrasse – Macropharyngodon ornatus
Oval-spot butterflyfish – Chaetodon speculum
Ox heart ascidian tunicate – Polycarpa aurata