Species library

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

361–396 of 764 species

Island Mackerel

Island Mackerel

Rastrelliger faughni

A shimmering marvel of the Indo-Pacific, the Island Mackerel is a master of speed and social survival. These silvery ...

Fish
Jack Silverside

Jack Silverside

Atherinopsis californiensis

A shimmering presence in the Pacific surf, the Jack Silverside is the silver streak of our coastal bays. Known for it...

Fish
Japanese Pond Smelt

Japanese Pond Smelt

Hypomesus nipponensis

A shimmering marvel of temperate waters, the Japanese Pond Smelt is a master of the silver school. Known for its tran...

Fish
Javanese Damselfish

Javanese Damselfish

Neoglyphidodon oxyodon

A pint-sized powerhouse of the Pacific, the Javanese Damselfish dazzles with neon blue stripes and a fierce, territor...

Fish
Jenkins' Whipray

Jenkins' Whipray

Pateobatis jenkinsii

A majestic and sturdy dweller of the Indo-Pacific seafloor, the Jenkins' Whipray is easily identified by its impressi...

Fish
Jewel Damsel

Jewel Damsel

Stegastes lacrymatus

A glittering gem of the reef, the Jewel Damsel is a tiny but feisty farmer that guards its underwater garden with shi...

Fish
Jewelled Blenny

Jewelled Blenny

Salarias fasciatus

Meet the 'Lawnmower Blenny,' a master of camouflage and the most industrious gardener of the Indo-Pacific reefs. With...

Fish
Kapala Stingaree

Kapala Stingaree

Urolophus kapalensis

An elusive master of camouflage endemic to Australia's eastern shores, the Kapala Stingaree is a stunning example of ...

Fish
Keeltail Needlefish

Keeltail Needlefish

Platybelone argalus

A shimmering arrow of the tropical shallows, the Keeltail Needlefish is a master of surface camouflage. Recognized by...

Fish
Kelp Bass

Kelp Bass

Paralabrax clathratus

A majestic resident of the Pacific kelp forests, the Kelp Bass is as curious as it is camouflaged. With its iconic 'c...

Fish
Kelp Pipefish

Kelp Pipefish

Syngnathus californiensis

A cousin of the seahorse, the Kelp Pipefish is the Pacific's most slender master of disguise. These needle-shaped fis...

Fish
Kelp Rockfish

Kelp Rockfish

Sebastes atrovirens

A master of underwater camouflage, the Kelp Rockfish is the silent sentinel of the Pacific's golden forests. Often fo...

Fish
King Mackerel

King Mackerel

Scomberomorus cavalla

The King Mackerel is a silver-streaked powerhouse of the Atlantic, famous for its high-speed aerial strikes and migra...

Fish
Kiyi

Kiyi

Coregonus kiyi

The Kiyi is a shimmering ghost of the Great Lakes, a deepwater specialist that thrives in the cold, pressurized darkn...

Fish
Laced Moray

Laced Moray

Gymnothorax favagineus

The Laced Moray is the stunning 'leopard' of the ocean, draped in a high-contrast honeycomb pattern that provides per...

Fish
Ladyfish

Ladyfish

Elops saurus

The 'Poor Man's Tarpon,' the ladyfish is a silver streak of energy found in coastal backyards and estuaries. Known fo...

Fish
Lake Trout

Lake Trout

Salvelinus namaycush

A deep-water titan of the north, the Lake Trout is a master of the cold. With its beautiful spotted coat and forked t...

Fish
Lake Whitefish

Lake Whitefish

Coregonus clupeaformis

Meet the 'silver of the Great Lakes.' The Lake Whitefish is a cold-water specialist recognized by its unique humpback...

Fish
Lane Snapper

Lane Snapper

Lutjanus synagris

Featuring brilliant golden stripes and a signature black 'thumbprint,' the Lane Snapper is a colorful jewel of the At...

Fish
Largehead Hairtail

Largehead Hairtail

Trichiurus lepturus

A shimmering silver ribbon of the deep, the Largehead Hairtail is a fierce predator known for its fang-like teeth and...

Fish
Largescale Stoneroller

Largescale Stoneroller

Campostoma oligolepis

The Largescale Stoneroller is a hardworking herbivore and a vital architect of North American streams. Watch as these...

Fish
Leaf Scorpionfish

Leaf Scorpionfish

Taenianotus triacanthus

A master of underwater disguise, the Leaf Scorpionfish hides in plain sight by mimicking a piece of drifting debris. ...

Fish
Leafy Filefish

Leafy Filefish

Chaetodermis penicilligerus

The ultimate master of marine disguise, the Leafy Filefish uses elaborate skin tassels and a swaying motion to transf...

Fish
Leaping Mullet

Leaping Mullet

Chelon saliens

Famed for its spectacular aerial displays and shimmering silver scales, the Leaping Mullet is a dynamic visitor to co...

Fish
Least Brook Lamprey

Least Brook Lamprey

Lampetra aepyptera

Meet the Least Brook Lamprey, a harmless, ancient resident of North American streams that spends years hidden in the ...

Fish
Least Killifish

Least Killifish

Heterandria formosa

Meet North America's smallest fish, a tiny livebearer that thrives in the hidden jungles of backyard ponds and southe...

Fish
Lemon Shark

Lemon Shark

Negaprion brevirostris

With their signature sun-kissed hue and social disposition, lemon sharks are the charismatic residents of the world's...

Fish
Leopard Dace

Leopard Dace

Rhinichthys falcatus

With its striking spotted pattern and love for rushing rivers, the Leopard Dace is a hidden gem of the Pacific Northw...

Fish
Leopard Shark

Leopard Shark

Triakis semifasciata

Admired for its stunning spotted coat and graceful movement, the Leopard Shark is a peaceful resident of North Americ...

Fish
Leopard Whipray

Leopard Whipray

Himantura leoparda

Adorned with striking leopard-like rings, this graceful stingray is a master of disguise in the tropical Indo-Pacific...

Fish
Lesser Amberjack

Lesser Amberjack

Seriola fasciata

The Lesser Amberjack is a hidden gem of the deep Atlantic, a streamlined hunter that thrives among the shadows of anc...

Fish
Lesser Guitarfish

Lesser Guitarfish

Acroteriobatus annulatus

Meet the 'Sandshark' that isn't a shark at all—the Lesser Guitarfish is a beautifully patterned ray that glides throu...

Fish
Light Dusky Rockfish

Light Dusky Rockfish

Sebastes variabilis

A social wanderer of the North Pacific kelp forests, the Light Dusky Rockfish is a master of the mid-water reefs. Wit...

Fish
Lined Combtooth Blenny

Lined Combtooth Blenny

Ecsenius lineatus

A master of the 'perch and watch' lifestyle, the Lined Combtooth Blenny brings personality to the reef with its strik...

Fish
Little Tunny

Little Tunny

Euthynnus alletteratus

The speed demon of the Atlantic coast, the Little Tunny is a master of the high-speed chase. With its stunning 'worm-...

Fish
Longfin Damselfish

Longfin Damselfish

Stegastes diencaeus

The Longfin Damselfish is the reef's dedicated gardener, famous for cultivating algae lawns and even domesticating it...

Fish

Not sure what you saw?

Upload a photo and we will put a name to it — usually in a few seconds.

Identify a species

Keep a record of who visits you

Connect a camera and EverydayEarth builds your own field guide — every species, first seen to last seen.

Join free Connect a camera