Fish Encyclopedia: all pet fish species

Alphabetical overview of the most commonly kept aquarium fish species, split into freshwater and saltwater species. This is currently a name list (with scientific name) - detailed care information per species will follow later.

Freshwater Fish (A-Z)

• Angelfish (Pterophyllum scalare)
• Bala Shark (Balantiocheilos melanopterus)
• Bandit Corydoras (Corydoras metae)
• Betta / Siamese Fighting Fish (Betta splendens)
• Black Ghost Knifefish (Apteronotus albifrons)
• Black Molly (Poecilia sphenops var.)
• Black Phantom Tetra (Hyphessobrycon megalopterus)
• Black Skirt Tetra (Gymnocorymbus ternetzi)
• Blood Parrot Cichlid (hybride)
• Blue Acara (Andinoacara pulcher)
• Boesemani Rainbowfish (Melanotaenia boesemani)
• Bristlenose Pleco (Ancistrus sp.)
• Bronze Corydoras (Corydoras aeneus)
• Cardinal Tetra (Paracheirodon axelrodi)
• Cherry Barb (Puntius titteya)
• Chili Rasbora (Boraras brigittae)
• Chinese Algae Eater (Gyrinocheilus aymonieri)
• Chocolate Gourami (Sphaerichthys osphromenoides)
• Clown Loach (Chromobotia macracanthus)
• Cockatoo Dwarf Cichlid (Apistogramma cacatuoides)
• Congo Tetra (Phenacogrammus interruptus)
• Convict Cichlid (Amatitlania nigrofasciata)
• Diamond Tetra (Moenkhausia pittieri)
• Discus (Symphysodon sp.)
• Dwarf Gourami (Trichogaster lalius)
• Dwarf Neon Rainbowfish (Melanotaenia praecox)
• Electric Eel (Electrophorus electricus)
• Emperor Tetra (Nematobrycon palmeri)
• Espei Rasbora (Trigonostigma espei)
• Filament Barb (Dawkinsia filamentosa)
• Firemouth Cichlid (Thorichthys meeki)
• Fiveband Barb (Desmopuntius pentazona)
• Galaxy Rasbora (Danio margaritatus)
• Giant Danio (Devario aequipinnatus)
• Glass Catfish (Kryptopterus vitreolus)
• Gold Barb (Pethia sachsii)
• Goldfish (Carassius auratus)
• Guppy (Poecilia reticulata)
• Harlequin Rasbora (Trigonostigma heteromorpha)
• Honey Gourami (Trichogaster chuna)
• Indian Glassfish (Parambassis ranga)
• Jack Dempsey (Rocio octofasciata)
• Jewel Cichlid (Hemichromis bimaculatus)
• Killifish (Nothobranchius sp.)
• Koi (Cyprinus rubrofuscus)
• Kribensis (Pelvicachromis pulcher)
• Kuhli Loach (Pangio kuhlii)
• Lionhead Goldfish (Carassius auratus - lionhead)
• Malawi Cichlid (Mbuna) (Pseudotropheus sp.)
• Molly (Poecilia sphenops)
• Neon Tetra (Paracheirodon innesi)
• Oranda Goldfish (Carassius auratus - oranda)
• Oscar (Astronotus ocellatus)
• Otocinclus (Otocinclus affinis)
• Panda Corydoras (Corydoras panda)
• Pearl Danio (Danio albolineatus)
• Pearl Gourami (Trichopodus leerii)
• Platy (Xiphophorus maculatus)
• Ram Cichlid (Mikrogeophagus ramirezi)
• Red-tailed Black Shark (Epalzeorhynchos bicolor)
• Rosy Barb (Pethia conchonius)
• Serpae Tetra (Hyphessobrycon eques)
• Siamese Algae Eater (Crossocheilus oblongus)
• Silver Dollar (Metynnis argenteus)
• Silvertip Tetra (Hasemania nana)
• Striped Headstander (Anostomus anostomus)
• Striped/Panther Barb (Pethia fasciata)
• Sumatra Tiger Barb (Puntigrus tetrazona)
• Swordtail (Xiphophorus hellerii)
• Texas Cichlid (Herichthys cyanoguttatus)
• Tiger Loach (Syncrossus hymenophysa)
• Upside-down Catfish (Synodontis nigriventris)
• Veiltail Goldfish (Carassius auratus - veiltail)
• Zebrafish / Zebra Danio (Danio rerio)

Saltwater Fish (A-Z)

• Banggai Cardinalfish (Pterapogon kauderni)
• Bengal Watchman Goby (Amblygobius phalaena)
• Bicolor Angelfish (Centropyge bicolor)
• Blue Tang / Regal Tang (Paracanthurus hepatus)
• Boxfish (Ostraciidae)
• Butterflyfish (Chaetodontidae)
• Cleaner Wrasse (Labroides dimidiatus)
• Clownfish / Anemonefish (Amphiprioninae)
• Coral Beauty (Centropyge bispinosa)
• Coral Goby (Gobiodon sp.)
• Damselfish (Pomacentridae)
• Emperor Angelfish (Pomacanthus imperator)
• Firefish Goby (Nemateleotris magnifica)
• Flame Angelfish (Centropyge loricula)
• Flame Hawkfish (Neocirrhites armatus)
• Foxface Rabbitfish (Siganus vulpinus)
• French Angelfish (Pomacanthus paru)
• Green Chromis (Chromis viridis)
• Harlequin Tuskfish (Choerodon fasciatus)
• Lamarck's Angelfish (Genicanthus lamarck)
• Lionfish (Pterois volitans)
• Longnose Hawkfish (Oxycirrhites typus)
• Mandarinfish (Synchiropus splendidus)
• Melanurus Wrasse (Halichoeres melanurus)
• Moorish Idol (Zanclus cornutus)
• Moray Eel (Gymnothorax sp.)
• Napoleon Wrasse (juvenile) (Cheilinus undulatus)
• Niger Triggerfish (Odonus niger)
• Orangespine Unicornfish (Naso lituratus)
• Orchid Dottyback (Pseudochromis fridmani)
• Pajama Cardinalfish (Sphaeramia nematoptera)
• Picasso Triggerfish (Rhinecanthus aculeatus)
• Porcupinefish (Diodon holocanthus)
• Purple Tang (Zebrasoma xanthurum)
• Ribbon Eel (Rhinomuraena quaesita)
• Royal Gramma (Gramma loreto)
• Scooter Blenny (Synchiropus ocellatus)
• Seahorse (Hippocampus sp.)
• Sixline Wrasse (Pseudocheilinus hexataenia)
• Snowflake Moray Eel (Echidna nebulosa)
• Three-stripe Damselfish (Dascyllus aruanus)
• Yellow Tang (Zebrasoma flavescens)
• Yellow Watchman Goby (Cryptocentrus cinctus)
• Yellow-headed Jawfish (Opistognathus aurifrons)
• Yellowtail Damselfish (Chrysiptera parasema)

This list covers the best-known species from the aquarium trade. Let us know if there are specific species you'd like added.