Orangeback Angelfish

(Centropyge acanthops)

Orangeback Basslet

(Serranus annularis)

Orangebar Anthias

(Pseudanthias engelhardi/carlsoni)

Orbicular Batfish

(Platax orbicularis)

Orchid Fridmani Dottyback, QM Labs

(Pseudochromis fridmani)

Oreni Tilefish

(Hoplolatilus oreni)

Oriental Maori Wrasse

(Cheilinus orientalis)

Orientalis Sweetlips Grunt

(Plectorhinchus lineatus)

Ornate Butterflyfish

(Chaetodon ornatissimus)

Ornate Cowfish

(Aracana ornata)

Ornate Cowfish, Male

(Aracana ornata)

Ornate Leopard Wrasse

(Macropharyngodon ornatus)

Ornate Shell Dweller

(Lamprologus ornatipinnis)

Ornate Spiny Lobster

(Panulirus ornatus)

Ornate Wrasse

(Halichoeres ornatissimus)

Oscar, Albino Red Tiger Nemo

(Astronotus ocellatus)

Oscar, Common

(Astronotus ocellatus)

Oscar, Red Chili

(Astronotus ocellatus)

Ossa Knifefish

(Rhamphichthys rostratus)

Otocinclus Gigante

(Hypoptopoma sp.)

Otocinclus Orange Catfish

(Nannoptopoma sp.)

Otocinclus Tiger

(Otocinclus sp.)

Otocinclus Zebra

(Otocinclus coccama)

Oval Butterflyfish

(Chaetodon lunulatus)

Oyster Blenny

(Omobranchus anolius)

Pacific Crown Pufferfish

(Canthigaster axiologus)

Pacific Sailfin Anthias

(Rabaulichthys sp.)

Painted Sweetlips Grunt

(Diagramma pictum)

Painted Swordtail

(Xiphophorus helleri)

Pakistan Butterflyfish

(Chaetodon collare)