Marine

Forktail blenny

Meiacanthus atrodorsalis

Adults have long filaments on the tips of the caudal fin.

Foureye butterflyfish

Chaetodon capistratus

The foureye butterflyfish has a body that is compressed laterally. The upper part of the head …

Fourspot butterflyfish

Chaetodon quadrimaculatus

Fourspot butterflyfish have very fine, hair-like teeth that allow them to target small organisms inaccessible to …

Foxface rabbitfish

Siganus vulpinus

The body is large, oval in shape, compressed at the sides, and covered with fine cycloid …

Freckled frogfish

Abantennarius drombus

Abantennarius thrombus has the generic name Antennarius with the prefix ab, meaning "away from," for Antennarius, …

Freckled moray

Echidna nocturna

The freckled moray eel has a long, snake-like body with an average of 120 vertebrae.

Garish hind

Cephalopholis igarashiensis

The garish hind has an elongated, massive body, somewhat compressed at the sides and covered on …

Gelatinous seasnail

Liparis fabricii

The body shape of the Gelatinous seasnail resembles a tadpole with a large rounded head and …

Giant oceanic manta ray

Mobula birostris

Huge pectoral fins form a diamond-shaped disc with the head, the width of which is about …

Gigantactis macronema

Gigantactis macronema

The metamorphosed females of Gigantactis macronema are distinguished by several key characteristics: Illcium length: The illicium …

Gigantactis vanhoeffeni

Gigantactis vanhoeffeni

The body form is short. Gigantactis vanhoeffeni features metamorphosed females, which are distinguished from other species …

Goblin shark

Mitsukurina owstoni

The body is spindle-shaped and the fins have an unusual rounded shape for sharks. The third …

Golden damselfish

Amblyglyphidodon aureus

These fish have the rounded body, spiny dorsal fin and split tail characteristic of this group.

Goldrim surgeonfish

Acanthurus nigricans

The body is elongated oval with a steep dorsal profile and an eye high on the …

Grideye fish

Ipnops murrayi

The grideye fish has a slender, black body with a relatively large head and a broad, …

Gulper eel

Saccopharynx ampullaceus

The gulper eel has a long, slender body and a disproportionately large mouth, with jaws that …

Half-naked hatchetfish

Argyropelecus hemigymnus

The half-naked hatchetfish has a strongly compressed, deep body that is bright silvery in color. It …

Hawaiian butterflyfish

Chaetodon tinkeri

Small fishes with a very compressed body, high on the sides, a small terminal retractable mouth, …

Hong Kong butterflyfish

Chaetodon wiebeli

Chaetodon wiebeli was first officially described in 1863 by the German ichthyologist Johann Jakob Kaup (1803-1873), …

Humpback anglerfish

Melanocetus johnsonii

Dorsum with compressed posterior and anterior ridges; anterior margin of scutellum almost straight; fine dermal spines …

Indian Ocean humbug

Dascyllus abudafur

The species name is derived from the Arabic word for the species, Abu-dafur Jabûd. Males are …

Indian parrotfish

Chlorurus capistratoides

The head of these fishes is sharply rounded forward. Teeth fused to dental plates; dental plates …

Indonesian coelacanth

Latimeria menadoensis

Instead of vertebrae, the Indonesian coelacanth has a thick tube containing a highly pressurized fluid. An …

Japan surgeonfish

Acanthurus japonicus

Have a laterally compressed oval body with long dorsal and anal fins.