Marine

Reef scorpionfish

Scorpaenodes caribbaeus

The reef scorpionfish has a bony body. It has several poisonous spines protruding from its upper …

Reef triggerfish

Rhinecanthus rectangulus

The body shape of these fish is similar to an oval. The snout is elongated and …

Regal tang

Paracanthurus hepatus

The body is laterally compressed, ovoid in shape. This species is characterized by long dorsal and …

Remoras

Echeneis naucrates

They are slender fish with a flat sucking disc on the top of the head. They …

Reticulate boxfish

Ostracion solorensis

This species is a relatively rare inhabitant of coral-rich areas of coastal reefs. The striped boxfish …

Reticulate whipray

Himantura uarnak

The anterior margin of the Reticulate whipray is curved, the triangular snout is slightly elongated and …

Rhynchactis macrothrix

Rhynchactis macrothrix

The long-filament whipnose anglerfish has an elongated, slightly compressed body with a small head that is …

Ribbed sculpin

Triglops pingelii

Ribbed sculpins have a flattened, low body, a low caudal peduncle, and long unpaired fins. They …

Ribbon eel

Rhinomuraena quaesita

The body is slender, ribboned, the head small with an elongated pointed muzzle. There is a …

Ring-eye pygmygoby

Trimma benjamini

This species is characterized by the presence of the following features: Deep concave "U" shaped interorbital …

Ring-tailed cardinalfish

Ostorhinchus aureus

Ring-tailed cardinalfish have the following characteristics: they have 14 vertebrae; porous lateral line scales, 25; predorsal …

Risso's dolphin

Grampus griseus

Risso's dolphin lacks the typical beak of other dolphins. It has a relatively large front body …

Robust ghost pipefish

Solenostomus cyanopterus

This species is a true chameleon of the underwater world. Its appearance is an ideal combination …

Rock greenling

Hexagrammos lagocephalus

There are two forms: Asian and American. In the Asian form the supraorbital lobes are short …

Rock grenadier

Coryphaenoides rupestris

Body elongated, tapering caudally to a thin filament, covered with fine cycloid scales with numerous denticles. …

Rock gunnel

Pholis gunnellus

The body of Rock Gunnel, as well as other members of the genus, is eel-shaped. There …

Rockfish

Sebastes paucispinis

Body prostrate. Head elongated, pointed, mandibles strongly protrude forward. The upper part of the head has …

Rockfish, Black

Sebastes melanops

The body of black rock is oval or egg-shaped and compressed. The head has a steep …

Rockfish, Copper

Sebastes caurinus

Body is moderately deep and compressed. The head is large, with slightly curved upper profile. Mouth …

Rockfish, Yelloweye

Sebastes ruberrimus

It has an orange-red or orange-yellow body coloration. It has bright yellow irises, black pupils, and …

Roosterfish

Nematistius pectoralis

A bright, shimmering fish, it is distinguished by seven longer, thread-like dorsal fins that are found …

Rough-toothed dolphin

Steno bredanensis

The most obvious distinguishing features are the conical shape of the head and the thin snout. …

Roughback sea catfish

Plicofollis tonggol

Latin namePlicofollis tonggolOther nameManyung, arahan.DistributionThey inhabit the coastal waters of Indonesia, Malaysia, the Philippines and Pakistan.HabitatMarine …

Roughhead grenadier

Macrourus berglax

The body is elongated, highest near the first dorsal fin and tapering towards the rear end. …