Home / Tree of life
Classification explorer
Tree of life
All 1,468 species, organized the way biologists do: group, class, order and family. Open any branch to jump to its care sheets.
Mammals Mammalia 47
Cats, dogs and other carnivores Carnivora 15
- Red panda Ailuridae 1
- Dogs, wolves and foxes Canidae 3
- Fossa and Malagasy carnivores Eupleridae 1
- Cats Felidae 1
- Mongooses and meerkats Herpestidae 2
- Skunks Mephitidae 1
- Ferrets, weasels and otters Mustelidae 2
- Raccoons, coatis and kinkajous Procyonidae 3
- Civets and genets Viverridae 1
- Open cats, dogs and other carnivores →
Hedgehogs Erinaceomorpha 1
- Hedgehogs Erinaceidae 1
- Open hedgehogs →
Hoofed farm and wild mammals Artiodactyla 4
- Camels, llamas and alpacas Camelidae 2
- Giraffe and okapi Giraffidae 1
- Pigs and hogs Suidae 1
- Open hoofed farm and wild mammals →
Kangaroos, wallabies, possums Diprotodontia 3
- Kangaroos and wallabies Macropodidae 2
- Sugar gliders and possums Petauridae 1
- Open kangaroos, wallabies, possums →
Monkeys, lemurs and apes Primates 4
- Marmosets and tamarins Callitrichidae 1
- Capuchins and squirrel monkeys Cebidae 1
- Lemurs Lemuridae 1
- Lorises and pottos Lorisidae 1
- Open monkeys, lemurs and apes →
Opossums Didelphimorphia 1
- Opossums Didelphidae 1
- Open opossums →
Rabbits and hares Lagomorpha 1
- Rabbits and hares Leporidae 1
- Open rabbits and hares →
Rodents Rodentia 16
- African mole-rats Bathyergidae 1
- Guinea pigs, maras, capybaras Caviidae 3
- Chinchillas and viscachas Chinchillidae 1
- Hamsters, voles, American mice Cricetidae 5
- Rats, mice and gerbils Muridae 3
- Degus and coruros Octodontidae 1
- Squirrels and ground squirrels Sciuridae 2
- Open rodents →
Tenrecs Afrosoricida 1
- Tenrecs Tenrecidae 1
- Open tenrecs →
Two-toed sloths Pilosa 1
- Two-toed sloths Choloepodidae 1
- Open two-toed sloths →
Birds Aves 17
Chickens, pheasants and quail Galliformes 2
Ducks, geese and swans Anseriformes 2
Emu Casuariiformes 1
- Emu Dromaiidae 1
- Open emu →
Kookaburras Coraciiformes 1
- Kookaburras Alcedinidae 1
- Open kookaburras →
New World vultures Accipitriformes 1
- New World vultures Cathartidae 1
- Open new world vultures →
Parrots Psittaciformes 7
- Cockatoos Cacatuidae 1
- Parrots and parakeets Psittacidae 6
- Open parrots →
Seriemas Cariamiformes 1
- Seriemas Cariamidae 1
- Open seriemas →
Songbirds and perching birds Passeriformes 2
- Finches and canaries Fringillidae 1
- Starlings and mynas Sturnidae 1
- Open songbirds and perching birds →
Reptiles Reptilia 43
Alligators and caimans Crocodylia 1
- Alligators and caimans Alligatoridae 1
- Open alligators and caimans →
Lizards Lacertilia 25
- Agamas and dragons Agamidae 1
- Chameleons Chamaeleonidae 3
- Anoles Dactyloidae 1
- Crested and related geckos Diplodactylidae 1
- Leopard, banded and cave geckos Eublepharidae 2
- Geckos Gekkonidae 2
- Iguanas Iguanidae 1
- Skinks Scincidae 8
- Tegus and whiptails Teiidae 2
- Monitor lizards Varanidae 4
- Open lizards →
Snakes Serpentes 10
- Boas Boidae 3
- Colubrid snakes Colubridae 2
- Pythons Pythonidae 5
- Open snakes →
Turtles and tortoises Testudines 7
- Pond turtles and box turtles Emydidae 1
- Mud and musk turtles Kinosternidae 1
- Tortoises Testudinidae 5
- Open turtles and tortoises →
Amphibians Amphibia 12
Aquatic caecilians Gymnophiona 2
- Aquatic caecilians Typhlonectidae 2
- Open aquatic caecilians →
Axolotls and mole salamanders Caudata 3
- Axolotls and mole salamanders Ambystomatidae 3
- Open axolotls and mole salamanders →
Frogs and toads Anura 7
- Fire-bellied toads Bombinatoridae 1
- Horned and Budgett's frogs Ceratophryidae 3
- Narrow-mouthed frogs Microhylidae 1
- Australian tree frogs Pelodryadidae 1
- Leaf and monkey frogs Phyllomedusidae 1
- Open frogs and toads →
Fishes Actinopterygii · Chondrichthyes 1,332
Ray-finned fishes Actinopterygii
Archerfish and barracudas Carangaria 3
- Barramundi Latidae 1
- Archerfish Toxotidae 2
- Open archerfish and barracudas →
Arowanas and elephantfish Osteoglossiformes 13
- Elephantfish Mormyridae 2
- Asian and African knifefish Notopteridae 6
- Arowanas Osteoglossidae 4
- Freshwater butterflyfish Pantodontidae 1
- Open arowanas and elephantfish →
Bichirs and ropefish Polypteriformes 5
- Bichirs and ropefish Polypteridae 5
- Open bichirs and ropefish →
Bowfin Amiiformes 1
- Bowfin Amiidae 1
- Open bowfin →
Carp, barbs, minnows, loaches Cypriniformes 358
- Hillstream loaches Balitoridae 24
- Clown, yoyo and other loaches Botiidae 32
- Spined loaches Cobitidae 45
- Carps and barbs Cyprinidae 55
- Danios and rasboras Danionidae 115
- Hillstream loaches Gastromyzontidae 31
- Sucker-mouthed algae eaters Gyrinocheilidae 1
- Cigar barbs and Hoven's carp Leptobarbidae 1
- Stone loaches Nemacheilidae 53
- White cloud mountain minnows Tanichthyidae 1
- Open carp, barbs, minnows, loaches →
Catfish Siluriformes 225
- Sea catfish Ariidae 1
- Banjo catfish Aspredinidae 2
- Driftwood catfish Auchenipteridae 11
- Asian whiskered catfish Bagridae 3
- Corydoras and armored catfish Callichthyidae 103
- Angler catfish Chacidae 2
- Air-breathing catfish Clariidae 1
- African whiskered catfish Claroteidae 1
- Thorny catfish Doradidae 12
- Stinging catfish Heteropneustidae 1
- Sun and imperial catfish Horabagridae 2
- Plecos Loricariidae 42
- Synodontis and squeaker catfish Mochokidae 22
- Pangasius shark catfish Pangasiidae 2
- Long-whiskered catfish Pimelodidae 16
- Glass and sheat catfish Siluridae 4
- Open catfish →
Cichlids Cichliformes 248
- Cichlids Cichlidae 248
- Open cichlids →
Damselfish and dottybacks Ovalentaria 4
- Glassfish Ambassidae 2
- Leaf fish Polycentridae 2
- Open damselfish and dottybacks →
Gars Lepisosteiformes 1
- Gars Lepisosteidae 1
- Open gars →
Gobies and sleepers Gobiiformes 12
- Sleeper gudgeons Butidae 2
- Sleeper gobies and gudgeons Eleotridae 3
- Gobies Gobiidae 6
- Mudskippers and gobies Oxudercidae 1
- Open gobies and sleepers →
Gouramis, bettas, snakeheads Anabantiformes 138
- Climbing perch and bush fish Anabantidae 9
- Badis and scarlet badis Badidae 2
- Snakeheads Channidae 22
- Gouramis and bettas Osphronemidae 104
- Malayan leaf fish relatives Pristolepididae 1
- Open gouramis, bettas, snakeheads →
Killifish and livebearers Cyprinodontiformes 84
- Four-eyed fish and livebearers Anablepidae 1
- Aphanius killifish Aphaniidae 9
- Panchax killifish Aplocheilidae 7
- Pupfish Cyprinodontidae 10
- Topminnows and killifish Fundulidae 1
- Goodeid livebearers and killifish Goodeidae 5
- African killifish Nothobranchiidae 34
- Livebearers Poeciliidae 16
- Lampeyes Procatopodidae 1
- Open killifish and livebearers →
Knifefish and electric eels Gymnotiformes 3
- Ghost knifefish Apteronotidae 1
- Electric eels and knifefish Gymnotidae 2
- Open knifefish and electric eels →
Pufferfish Tetraodontiformes 12
- Pufferfish Tetraodontidae 12
- Open pufferfish →
Ricefish, halfbeaks, needlefish Beloniformes 6
- Ricefish and medaka Adrianichthyidae 4
- Needlefish Belonidae 1
- Livebearing halfbeaks Zenarchopteridae 1
- Open ricefish, halfbeaks, needlefish →
Seahorses and pipefish Syngnathiformes 1
- Seahorses and pipefish Syngnathidae 1
- Open seahorses and pipefish →
Silversides and rainbowfish Atheriniformes 19
- Rainbowfish Melanotaeniidae 13
- Blue-eye rainbowfish Pseudomugilidae 5
- Celebes rainbowfish relatives Telmatherinidae 1
- Open silversides and rainbowfish →
Spiny eels and swamp eels Synbranchiformes 6
- Armored sticklebacks Indostomidae 1
- Spiny eels Mastacembelidae 4
- Swamp eels Synbranchidae 1
- Open spiny eels and swamp eels →
Tetras, piranhas and pacus Characiformes 183
- Freshwater barracudas Acestrorhynchidae 2
- African tetras Alestidae 10
- Headstanders Anostomidae 12
- Chalceus tetras Chalceidae 2
- Tetras Characidae 83
- Headstanders Chilodontidae 1
- Darter tetras Crenuchidae 2
- Pike characins Ctenoluciidae 4
- Payara and dogtooth characins Cynodontidae 2
- Distichodus and African characins Distichodontidae 6
- Wolf fish Erythrinidae 2
- Freshwater hatchetfish Gasteropelecidae 6
- Hemiodus characins Hemiodontidae 2
- African pikes Hepsetidae 1
- Slender tetras Iguanodectidae 1
- Pencilfish and splash tetras Lebiasinidae 22
- Prochilodus characins Prochilodontidae 2
- Piranhas and pacus Serrasalmidae 23
- Open tetras, piranhas and pacus →
Tigerfish and tripletails Acanthuriformes 2
Sharks, rays & chimaeras Chondrichthyes
Freshwater stingrays Myliobatiformes 8
- Freshwater stingrays Potamotrygonidae 8
- Open freshwater stingrays →
Invertebrates Arthropoda · Mollusca · Cnidaria · more 17
Corals & anemones Anthozoa
Acropora and Montipora corals Scleractinia 1
Arachnids Arachnida
Emperor and forest scorpions Scorpiones 1
Spiders Araneae 4
- Jumping spiders Salticidae 1
- Tarantulas Theraphosidae 3
- Open spiders →
Vinegaroons Uropygi 1
- Vinegaroons Thelyphonidae 1
- Open vinegaroons →
Fairy shrimp, triops & water fleas Branchiopoda
Brine shrimp Anostraca 1
- Brine shrimp Artemiidae 1
- Open brine shrimp →
Octopuses, cuttlefish & nautiluses Cephalopoda
Cuttlefish Sepiida 1
- Cuttlefish Sepiidae 1
- Open cuttlefish →
Giant Pacific octopuses Octopoda 1
- Giant Pacific octopuses Enteroctopodidae 1
- Open giant pacific octopuses →
Snails Gastropoda
Apple and mystery snails Architaenioglossa 1
- Apple and mystery snails Ampullariidae 1
- Open apple and mystery snails →
Insects Insecta
Darkling and feeder beetles Coleoptera 1
- Darkling and feeder beetles Tenebrionidae 1
- Open darkling and feeder beetles →
Flower and ghost mantises Mantodea 1
- Flower and ghost mantises Hymenopodidae 1
- Open flower and ghost mantises →