Species library
Field marks, habits, and camera tips for the wildlife that visits backyard habitats.
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
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
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
Neoglyphidodon oxyodon
A pint-sized powerhouse of the Pacific, the Javanese Damselfish dazzles with neon blue stripes and a fierce, territor...
Fish
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
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
Salarias fasciatus
Meet the 'Lawnmower Blenny,' a master of camouflage and the most industrious gardener of the Indo-Pacific reefs. With...
Fish
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
Platybelone argalus
A shimmering arrow of the tropical shallows, the Keeltail Needlefish is a master of surface camouflage. Recognized by...
Fish
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
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
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
Scomberomorus cavalla
The King Mackerel is a silver-streaked powerhouse of the Atlantic, famous for its high-speed aerial strikes and migra...
Fish
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
Gymnothorax favagineus
The Laced Moray is the stunning 'leopard' of the ocean, draped in a high-contrast honeycomb pattern that provides per...
Fish
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
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
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
Lutjanus synagris
Featuring brilliant golden stripes and a signature black 'thumbprint,' the Lane Snapper is a colorful jewel of the At...
Fish
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
Campostoma oligolepis
The Largescale Stoneroller is a hardworking herbivore and a vital architect of North American streams. Watch as these...
Fish
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
Chaetodermis penicilligerus
The ultimate master of marine disguise, the Leafy Filefish uses elaborate skin tassels and a swaying motion to transf...
Fish
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
Lampetra aepyptera
Meet the Least Brook Lamprey, a harmless, ancient resident of North American streams that spends years hidden in the ...
Fish
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
Negaprion brevirostris
With their signature sun-kissed hue and social disposition, lemon sharks are the charismatic residents of the world's...
Fish
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
Triakis semifasciata
Admired for its stunning spotted coat and graceful movement, the Leopard Shark is a peaceful resident of North Americ...
Fish
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
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
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
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
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
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
Stegastes diencaeus
The Longfin Damselfish is the reef's dedicated gardener, famous for cultivating algae lawns and even domesticating it...
FishNot sure what you saw?
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