Species library

Field marks, habits, and camera tips for the wildlife that visits backyard habitats.

541–576 of 764 species

Rosethorn Rockfish

Rosethorn Rockfish

Sebastes helvomaculatus

A gem of the deep Pacific, the Rosethorn Rockfish is famous for its striking pink hues and mysterious white markings....

Fish
Rosy Rockfish

Rosy Rockfish

Sebastes rosaceus

A vibrant jewel of the Pacific deep, the Rosy Rockfish stands out with its striking pink scales and mottled purple ma...

Fish
Rosyface Shiner

Rosyface Shiner

Notropis rubellus

A shimmering inhabitant of North America's clearest streams, the Rosyface Shiner is best known for the stunning crims...

Fish
Rosyside Dace

Rosyside Dace

Clinostomus funduloides

A hidden gem of Appalachian streams, the Rosyside Dace is a small fish with a big personality. Known for its vivid re...

Fish
Rough Flutemouth

Rough Flutemouth

Fistularia petimba

The Rough Flutemouth is a marvel of marine evolution, featuring a body as thin as a reed and a snout designed for hig...

Fish
Rough Silverside

Rough Silverside

Membras martinica

Meet the shimmering ghost of the coastline. The Rough Silverside is a master of camouflage, using its translucent bod...

Fish
Round Fantail Stingray

Round Fantail Stingray

Taeniurops grabatus

A circular giant of the sandy depths, the Round Fantail Stingray is one of the most striking rays found in coastal wa...

Fish
Round Goby

Round Goby

Neogobius melanostomus

A tenacious bottom-dweller with a unique suction-cup grip, the Round Goby is a small fish with a massive ecological i...

Fish
Round Whitefish

Round Whitefish

Prosopium cylindraceum

A sleek, silver-scaled resident of the deep, the Round Whitefish is a master of the lake bottom. Recognizable by its ...

Fish
Royal Gramma

Royal Gramma

Gramma loreto

With its electric purple head and sun-yellow tail, the Royal Gramma is a stunning jewel of the Caribbean reefs. This ...

Fish
Ruffe

Ruffe

Gymnocephalus cernua

A small but incredibly resilient bottom-dweller, the Ruffe is a master of low-light survival. While a vital part of E...

Fish
Rusty Carpetshark

Rusty Carpetshark

Parascyllium ferrugineum

Meet the 'eel-shark' of the southern reefs. The Rusty Carpetshark is a master of camouflage, spending its nights glid...

Fish
Rustyside Sucker

Rustyside Sucker

Thoburnia hamiltoni

A rare gem of the Southeast's mountain waters, the Rustyside Sucker is a master of the rocky stream bed. Found only i...

Fish
Sabre Squirrelfish

Sabre Squirrelfish

Sargocentron spiniferum

The undisputed giant of the squirrelfish family, the Sabre Squirrelfish is a crimson sentinel of the reef. With its f...

Fish
Saffron Shiner

Saffron Shiner

Hydrophlox rubricroceus

Meet the 'fire of the creek,' a brilliant freshwater gem that turns Appalachian streams into a spectacle of crimson a...

Fish
Sailfin Molly

Sailfin Molly

Poecilia latipinna

Boasting a magnificent dorsal fin that rivals the beauty of any tropical reef fish, the Sailfin Molly is a coastal ic...

Fish
Sailfin Shiner

Sailfin Shiner

Pteronotropis hypselopterus

With its magnificent oversized fin and neon-bright iridescent colors, the Sailfin Shiner is the hidden gem of Souther...

Fish
Salmon Shark

Salmon Shark

Lamna ditropis

The ultimate cold-water athlete, the Salmon Shark is a warm-blooded marvel of the North Pacific. Often called the 'Gr...

Fish
Sand Shiner

Sand Shiner

Miniellus stramineus

The Sand Shiner is a shimmering, social minnow that brings life to the sandy shallows of North American streams. Ofte...

Fish
Sand Tiger Shark

Sand Tiger Shark

Carcharias taurus

Meet the ocean's most misunderstood giant. With its toothy grin and calm demeanor, the Sand Tiger Shark is a marvel o...

Fish
Sand Weakfish

Sand Weakfish

Cynoscion arenarius

The ghost of the estuary, the Sand Weakfish is a shimmering, silver predator known for its 'croaking' calls and light...

Fish
Sandbar Shark

Sandbar Shark

Carcharhinus plumbeus

Defined by its towering dorsal fin and calm, steady patrol, the Sandbar Shark is the silent guardian of our coastal s...

Fish
Sandpaper Skate

Sandpaper Skate

Bathyraja kincaidii

The Sandpaper Skate is a hidden gem of the Pacific floor, a graceful cartilaginous fish with a texture as rugged as i...

Fish
Sargassumfish

Sargassumfish

Histrio histrio

Meet the ultimate actor of the ocean, a fish that looks more like a plant than an animal. The Sargassumfish spends it...

Fish
Sauger

Sauger

Sander canadensis

Meet the 'Sand Pike' of the deep river currents. With its camouflaged mottled skin and specialized night vision, the ...

Fish
Scalloped Ribbonfish

Scalloped Ribbonfish

Zu cristatus

A shimmering specter of the deep, the Scalloped Ribbonfish is one of the ocean's most enigmatic residents, known for ...

Fish
School Shark

School Shark

Galeorhinus galeus

A sleek, bronze-hued wanderer of the temperate seas, the School Shark is one of the ocean's most impressive long-dist...

Fish
Schoolmaster Snapper

Schoolmaster Snapper

Lutjanus apodus

A golden-finned sentinel of the reefs and mangroves, the Schoolmaster Snapper is one of the most social and recogniza...

Fish
Scissortail Sergeant

Scissortail Sergeant

Abudefduf sexfasciatus

Defined by its striking military stripes and elegant forked tail, the Scissortail Sergeant is a vibrant icon of the I...

Fish
Scrawled Cowfish

Scrawled Cowfish

Acanthostracion quadricornis

With its characteristic 'horns' and neon-blue scrawls, the Scrawled Cowfish is the armored knight of the seagrass mea...

Fish
Scrawled Filefish

Scrawled Filefish

Aluterus scriptus

With its neon-blue markings and unique 'broom-like' tail, the Scrawled Filefish is one of the ocean's most artistic m...

Fish
Scup

Scup

Stenotomus chrysops

The Scup is the shimmering silver dollar of the Atlantic coast, known for its spirited personality and beautiful irid...

Fish
Sea Lamprey

Sea Lamprey

Petromyzon marinus

The ancient, jawless 'vampire' of the waterways. The Sea Lamprey is a fascinating survivor from an era before the din...

Fish
Sea Mullet

Sea Mullet

Mugil cephalus

Meet the silver acrobat of the shallows. The Sea Mullet is a world-traveling marvel known for its shimmering schools ...

Fish
Segmented blenny

Segmented blenny

Salarias segmentatus

With its quirky personality and striking banded pattern, the Segmented blenny is the busy gardener of the Pacific ree...

Fish
Semicircle Angelfish

Semicircle Angelfish

Pomacanthus semicirculatus

A master of metamorphosis, the Semicircle Angelfish transforms from a striped sapphire juvenile into a speckled emera...

Fish

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