Species library
Field marks, habits, and camera tips for the wildlife that visits backyard habitats.
Bigeye Shiner
Miniellus boops
A striking, large-eyed minnow that serves as a living thermometer for stream health. These shimmering silver resident...
Fish
Bigeye Trevally
Caranx sexfasciatus
A shimmering sentinel of the tropical reef, the Bigeye Trevally is famous for forming breathtaking 'fish tornados' by...
Fish
Bigeye Tuna
Thunnus obesus
A deep-diving titan of the open ocean, the Bigeye Tuna is a marvel of biological engineering. With its massive eyes a...
Fish
Black-and-yellow Rockfish
Sebastes chrysomelas
A vibrant sentinel of the Pacific kelp forests, the Black-and-yellow Rockfish is a master of camouflage and territory...
Fish
Black-axil Chromis
Chromis atripectoralis
A shimmering icon of the tropical reef, the Black-axil Chromis is famous for its brilliant blue-green scales and its ...
Fish
Black-banded Sunfish
Enneacanthus chaetodon
A hidden gem of the Eastern seaboard, the Black-banded Sunfish is a master of camouflage. With its striking 'jailbird...
Fish
Black-barred Halfbeak
Hemiramphus far
Meet the master of the surface: a silver-clad sprinter with a unique 'beak' and striking zebra-like stripes. The Blac...
Fish
Black Bream
Acanthopagrus butcheri
A silver-bronze icon of Australia's southern estuaries, the Black Bream is a master of adaptation and a favorite of c...
Fish
Black Bullhead
Ameiurus melas
The ultimate survivor of the underwater world, the Black Bullhead is a whiskered scavenger that thrives in the murky ...
Fish
Black Catfish
Neosilurus ater
A sleek, nocturnal wanderer of Australia's tropical waterways, the Black Catfish is easily recognized by its eel-like...
Fish
Black Drum
Pogonias cromis
The booming giant of the coast, the Black Drum is famous for the 'thumping' song it plays using its swim bladder. The...
Fish
Black-faced Blenny
Tripterygion delaisi
A vibrant jewel of the Mediterranean reef, the Black-faced Blenny is a master of transformation. From a camouflaged r...
Fish
Black Grouper
Mycteroperca bonaci
A majestic and powerful predator of the Atlantic reefs, the Black Grouper is a master of disguise. Known for its boxy...
Fish
Black Redhorse
Moxostoma duquesnei
A shimmering inhabitant of North America's cleanest rivers, the Black Redhorse is a master of the riverbed. Known as ...
Fish
Black Rockfish
Sebastes melanops
The iconic 'black bass' of the Pacific, these schooling rockfish are the lively heart of the West Coast's kelp forest...
Fish
Black Scabbardfish
Aphanopus carbo
A mysterious ribbon of the abyss, the Black Scabbardfish is a deep-sea marvel known for its jet-black skin and pierci...
Fish
Black Scorpionfish
Scorpaena porcus
A master of underwater disguise, the Black Scorpionfish blends perfectly into the rocky reefs of the Mediterranean. A...
Fish
Black Sea Bass
Centropristis striata
The Black Sea Bass is the charismatic 'sentinel' of the Atlantic coast, known for its striking color changes and its ...
Fish
Black Seabream
Spondyliosoma cantharus
A silver-scaled wonder of the Atlantic and Mediterranean, the Black Seabream is famous for its unique nesting habits ...
Fish
Blackbar Soldierfish
Myripristis jacobus
A crimson jewel of the night, the Blackbar Soldierfish is famous for its massive eyes and the striking dark 'shoulder...
Fish
Blackchin Guitarfish
Glaucostegus cemiculus
The ghost of the seabed, the Blackchin Guitarfish is a master of camouflage that bridges the gap between sharks and r...
Fish
Blackchin Shiner
Miniellus heterodon
A delicate jewel of North American glacial lakes, the Blackchin shiner is a master of camouflage in underwater forest...
Fish
Blackfin Squirrelfish
Neoniphon opercularis
A master of the night, the Blackfin Squirrelfish is a shimmering jewel of the Indo-Pacific reefs. With its oversized ...
Fish
Blackmouth Catshark
Galeus melastomus
A master of the deep Atlantic slopes, the Blackmouth Catshark is named for its hidden, midnight-black maw and strikin...
Fish
Blacknose Shiner
Notropis heterolepis
A delicate and striking indicator of pristine water, the Blacknose Shiner is famous for the bold black stripe that ru...
Fish
Blacksaddle Toby
Canthigaster valentini
A pint-sized puffer with a bold personality and toxic defense. Recognizable by its four black 'saddles,' this vibrant...
Fish
Blacksmith Chromis
Chromis punctipinnis
A staple of the California coastline, the Blacksmith Chromis is a shimmering, spotted marvel that brings the kelp for...
Fish
Blackspotted Whipray
Maculabatis astra
The Blackspotted Whipray is a living work of art, featuring a celestial pattern of dark speckles and a striking bande...
Fish
Blacktail Redhorse
Moxostoma poecilurum
The Blacktail Redhorse is a shimmering master of the southern riverbed, easily recognized by the bold black stripe on...
Fish
Blacktip Jumprock
Moxostoma cervinum
A master of the mountain stream, the Blacktip Jumprock is a specialized sucker fish known for its striking fin markin...
Fish
Blacktip Reef Shark
Carcharhinus melanopterus
With its iconic black-tipped fins and graceful silhouette, this reef patroller is the most recognizable shark of the ...
Fish
Blacktip Shiner
Lythrurus atrapiculus
A shimmering jewel of southeastern streams, the Blacktip Shiner is famous for its acrobatic swimming and the striking...
Fish
Blackwing Flyingfish
Hirundichthys rondeletii
The Blackwing Flyingfish is a spectacular 'bird of the sea' that uses wing-like fins to glide over the waves. Witness...
Fish
Bleeker's whipray
Pateobatis bleekeri
A graceful dweller of the Indian Ocean's sandy flats, the Bleeker's whipray is a master of camouflage with a tail tha...
Fish
Bloater
Coregonus hoyi
Meet the Bloater, the silvery survivor of the Great Lakes' deepest trenches. This iridescent whitefish is a master of...
Fish
Blonde Skate
Raja brachyura
A master of the sandy seafloor, the Blonde Skate is a ghost of the Atlantic shelf, recognized by its beautifully intr...
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