Library Section
Fish
Dive into the FaunaNest fish library, a collection of original profiles spanning freshwater and saltwater species, from reef dwellers to deep-sea predators. Each guide covers appearance, habitat and range, diet, …
Dive into the FaunaNest fish library, a collection of original profiles spanning freshwater and saltwater species, from reef dwellers to deep-sea predators. Each guide covers appearance, habitat and range, diet, behavior, life cycle, and conservation status, with a quick-reference identification card at the top of every page.
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Every guide in Fish
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Alligator Gar
What Is a Alligator Gar? The alligator gar (Atractosteus spatula) is the largest of the gar family and one of the …
Angelshark
What Is a Angelshark? The angelshark (Squatina squatina) is a large, flattened bottom-dwelling shark that looks more …
Anglerfish
What Is a Anglerfish? The anglerfish Melanocetus johnsonii, often called the humpback anglerfish or black seadevil, is a …
Arapaima
What Is a Arapaima? The arapaima (Arapaima gigas) is one of the largest freshwater fish in the world, a torpedo-shaped …
Archerfish
What Is a Archerfish? The archerfish is a small, sharp-eyed predator famous for shooting jets of water at prey perched …
Atlantic Bluefin Tuna
What Is a Atlantic Bluefin Tuna? The Atlantic bluefin tuna (Thunnus thynnus) is one of the largest and fastest bony …
Atlantic Cod
What Is a Atlantic Cod? The Atlantic cod (Gadus morhua) is a large, bottom-dwelling fish of the cold and temperate …
Atlantic Halibut
What Is a Atlantic Halibut? The Atlantic halibut (Hippoglossus hippoglossus) is the largest of the flatfishes, a group …
Atlantic Herring
What Is a Atlantic Herring? The Atlantic herring (Clupea harengus) is a small, schooling ray-finned fish that ranges …
Atlantic Salmon
What Is a Atlantic Salmon? The Atlantic salmon (Salmo salar) is a large, migratory ray-finned fish native to the cold …
Basking Shark
What Is a Basking Shark? The basking shark (Cetorhinus maximus) is the second-largest living fish, surpassed in size …
Beluga Sturgeon
What Is a Beluga Sturgeon? The beluga sturgeon (Huso huso) is a giant, slow-growing fish native to the Caspian and Black …
Betta
What Is a Betta? The betta, or Siamese fighting fish (Betta splendens), is a small freshwater fish native to Southeast …
Blackfin Icefish
What Is a Blackfin Icefish? The blackfin icefish (Chaenocephalus aceratus) is a bottom-dwelling fish of the frigid …
Blacktip Reef Shark
What Is a Blacktip Reef Shark? The blacktip reef shark (Carcharhinus melanopterus) is a small, agile requiem shark named …
Blobfish
What Is a Blobfish? The blobfish (Psychrolutes marcidus) is a deep-sea fish belonging to the fathead sculpin family, …
Blue Tang
What Is a Blue Tang? The blue tang (Paracanthurus hepatus) is a strikingly colored marine fish native to the coral reefs …
Bluegill
What Is a Bluegill? The bluegill (Lepomis macrochirus) is a small, deep-bodied freshwater fish in the sunfish family, …
Bull Shark
What Is a Bull Shark? The bull shark (Carcharhinus leucas) is a stout, powerfully built member of the requiem shark …
Channel Catfish
What Is a Channel Catfish? The channel catfish (Ictalurus punctatus) is a widespread North American freshwater fish and …
Clown Triggerfish
What Is a Clown Triggerfish? The clown triggerfish (Balistoides conspicillum) is one of the most instantly recognizable …
Clownfish
What Is a Clownfish? The clownfish, or common clown anemonefish (Amphiprion ocellaris), is a small, vividly colored reef …
Coelacanth
What Is a Coelacanth? The coelacanth is a large, deep-water fish often called a “living fossil” because it belongs to a …
Common Carp
What Is a Common Carp? The common carp (Cyprinus carpio) is a large freshwater fish in the family Cyprinidae, the same …
Convict Cichlid
What Is a Convict Cichlid? The convict cichlid (Amatitlania nigrofasciata) is a small, hardy freshwater fish from the …
Cutthroat Trout
What Is a Cutthroat Trout? The cutthroat trout (Oncorhynchus clarkii) is a freshwater and sometimes anadromous fish …
Damselfish
What Is a Damselfish? Damselfish are small, active reef fishes that make up the family Pomacentridae, one of the most …
Devil Ray
What Is a Devil Ray? The devil ray (Mobula mobular), also called the giant devil ray or Mediterranean mobula, is a large …
Discus
What Is a Discus? The discus (Symphysodon discus) is a strikingly round, laterally flattened cichlid native to the …
Dorado
What Is a Dorado? The dorado (Coryphaena hippurus) is a fast-swimming, surface-dwelling ocean fish famous for its …
Dover Sole
What Is a Dover Sole? The Dover sole (Solea solea) is a flatfish of the family Soleidae, prized in European kitchens for …
Electric Eel
What Is a Electric Eel? The electric eel (Electrophorus electricus) is a freshwater fish famous for its ability to …
Electric Ray
What Is a Electric Ray? The electric ray, Torpedo torpedo, is a flattened, disk-shaped cartilaginous fish belonging to …
Elephantnose Fish
What Is a Elephantnose Fish? The elephantnose fish (Gnathonemus petersii) is a freshwater fish native to the rivers of …
Emperor Angelfish
What Is a Emperor Angelfish? The emperor angelfish (Pomacanthus imperator) is a strikingly patterned marine fish of the …
European Eel
What Is a European Eel? The European eel (Anguilla anguilla) is a long, snake-like fish famous for one of the most …
Fangtooth
What Is a Fangtooth? The fangtooth is a small but fearsome-looking deep-sea fish named for the oversized teeth that …
Firemouth Cichlid
What Is a Firemouth Cichlid? The firemouth cichlid (Thorichthys meeki) is a small, colorful freshwater fish in the …
Flathead Catfish
What Is a Flathead Catfish? The flathead catfish (Pylodictis olivaris) is a large, solitary freshwater predator native …
Flying Fish
What Is a Flying Fish? Flying fish are marine ray-finned fishes of the family Exocoetidae, famous for their ability to …
Freshwater Angelfish
What Is a Freshwater Angelfish? The freshwater angelfish (Pterophyllum scalare) is a striking, disc-shaped cichlid …
Frilled Shark
What Is a Frilled Shark? The frilled shark (Chlamydoselachus anguineus) is a rarely seen, deep-water shark whose …
Fugu
What Is a Fugu? Fugu is the Japanese name for the tiger pufferfish, Takifugu rubripes, a stout marine fish of the …
Giant Trevally
What Is a Giant Trevally? The giant trevally (Caranx ignobilis) is a large, powerfully built member of the jack family …
Goblin Shark
What Is a Goblin Shark? The goblin shark (Mitsukurina owstoni) is a rare, deep-dwelling shark often described as a …
Goldfish
What Is a Goldfish? The goldfish (Carassius auratus) is a small freshwater fish in the carp family, Cyprinidae, and one …
Goliath Grouper
What Is a Goliath Grouper? The goliath grouper (Epinephelus itajara) is one of the largest bony fishes found on Atlantic …
Great Barracuda
What Is a Great Barracuda? The great barracuda (Sphyraena barracuda) is a large, fast-swimming predatory fish found in …
Great Hammerhead Shark
What Is a Great Hammerhead Shark? The great hammerhead (Sphyrna mokarran) is the largest of the hammerhead sharks, …
Great White Shark
What Is a Great White Shark? The great white shark (Carcharodon carcharias) is a large, powerful predatory fish and the …
Guppy
What Is a Guppy? The guppy (Poecilia reticulata) is a small, hardy freshwater fish in the family Poeciliidae, the …
Harlequin Rasbora
What Is a Harlequin Rasbora? The harlequin rasbora (Trigonostigma heteromorpha) is a small, brightly colored freshwater …
Humphead Wrasse
What Is a Humphead Wrasse? The humphead wrasse (Cheilinus undulatus) is one of the largest reef fish in the world and …
Ide
What Is a Ide? The ide (Leuciscus idus), also known as the orfe, is a freshwater fish in the carp family, Cyprinidae. …
Indian Glassy Fish
What Is a Indian Glassy Fish? The Indian glassy fish (Parambassis ranga) is a small freshwater and brackish-water …
Indian Mackerel
What Is a Indian Mackerel? The Indian mackerel (Rastrelliger kanagurta) is a small, fast-swimming schooling fish in the …
Jack Dempsey
What Is a Jack Dempsey? The Jack Dempsey (Rocio octofasciata) is a medium-sized freshwater cichlid native to Central …
Jackfish
What Is a Jackfish? Jackfish is a common name applied to several fast-swimming marine fishes in the family Carangidae, …
Japanese Eel
What Is a Japanese Eel? The Japanese eel (Anguilla japonica) is a snake-like, ray-finned fish native to the freshwaters …
Japanese Rice Fish
What Is a Japanese Rice Fish? The Japanese rice fish (Oryzias latipes), also called the medaka, is a tiny freshwater …
Jewel Cichlid
What Is a Jewel Cichlid? The jewel cichlid (Hemichromis bimaculatus) is a small, brilliantly colored freshwater fish …
John Dory
What Is a John Dory? The John Dory (Zeus faber) is a strikingly flat, oval-bodied marine fish easily recognized by the …
Largemouth Bass
What Is a Largemouth Bass? The largemouth bass (Micropterus salmoides) is a freshwater fish in the sunfish family, …
Silver Arowana
What Is a Silver Arowana? The silver arowana (Osteoglossum bicirrhosum) is a large, elongated freshwater fish native to …
Spiny Dogfish
What Is a Spiny Dogfish? The spiny dogfish (Squalus acanthias) is a small, slender shark of cool temperate seas, named …
Summer Flounder
What Is a Summer Flounder? The summer flounder (Paralichthys dentatus) is a large, flat-bodied fish of the western …