All Fishes

Oophagy

From the Greek ωόν - egg and φάγος - devour.Oophagy is the eating by embryos of …

Opaleye

Girella nigricans

The body is oval and compressed, the snout is thick and has a uniformly rounded profile, …

Orange skunk clownfish

Amphiprion sandaracinos

The body of these fish has an oval shape, with the body compressed on the sides …

Orange-lined triggerfish

Balistapus undulatus

This species is characterized by the following features: anterior part of the eye without an elongated …

Orange-spotted grouper

Epinephelus coioides

It has an elongated body with a standard length of 2.9-3.7 times its depth. The dorsal …

Orange-spotted trevally

Carangoides bajad

The body of the orange-spotted trevally is tall and strongly compressed at the sides. The upper …

Orangemouth Corvina

Cynoscion xanthulus

They usually have a silvery-sand coloration that blends in with their surroundings. Most of them are …

Orca

Orcinus orca

The Latin orca is thought to derive from the Greek ὄρυξ - a word used by …

Ornate butterflyfish

Chaetodon ornatissimus

Snout length 2.6-3.2 in HL. Body depth 1.3-1.6 in SL.

Ornate ghost pipefish

Solenostomus paradoxus

Vertebrae: 32-33. Post pelagic fishes are almost completely transparent and thinner compared to those formed in …

Ornate slippery goby

Lubricogobius ornatus

Ornate slippery goby body depth 2.9-3.9 cm. Anterior nostrils present. Dorsal and ventral margins of caudal …

Ornate threadfin bream

Nemipterus hexodon

Nemipterus: Greek, nema, -atos = filament + Greek, pteron = wing, fin.This species is characterised by …

Osteolepis macrolepidotus

Osteolepis macrolepidotus was a lobe-finned fish (Sarcopterygii) with a broad, flattened head and a tapering body …

Ostracophiles

From the Greek ostrakon - shell and ...phil(s).Ostracophiles are an ecological group of fishes that lay …

Oyster toadfish

Opsanus tau

It is an unusually shaped fish with a large head. The skin is scaleless, covered with …

Pacific bluefin tuna

Thunnus orientalis

The fish has an elongated, spindle-shaped body that tapers sharply towards the tail. The height of …

Pacific Dover sole

Microstomus pacificus

The body of the Pacific Dover sole is soft, flaccid with small scales and very slippery …

Pacific herring

Titles in different languages North Pacific herring, Pacific herring (eng), Pacifisher hering (deu), aringa del Pacifico …

Pacific ocean perch

Sebastes alutus

The body is elongated, compressed at the sides. The head is large, with ridges, covered with …

Pacific pomfret

Brama japonica

Brama japonica is a close relative of Brama brama, but can be distinguished by the greater …

Pacific sand lance

Ammodytes hexapterus

The body shape of the Pacific sand lance is elongated. Scales do not cover the entire …

Pacific white-sided dolphin

Lagenorhynchus obliquidens

The proportions and body shape are very similar to the Atlantic white-sided dolphin. Each tooth is …

Paddlefish

Polyodon spathula

The paddlefish is almost sharklike in appearance, and if you cut off its long paddle-like snout, …

Paeony bulleye

Priacanthus blochii

Paeony bulleye has an elongated body covered with coarse cycloid scales. The scales are modified, with …