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Fish šŸ 

93 detailed guides covering history, temperament, care, health, and training for every fish.

Fish
93 shown
Goldfish

Goldfish

The goldfish (Carassius auratus) is one of the oldest domesticated fish in the wā€¦
Betta (Siamese Fighting Fish)

Betta (Siamese Fighting Fish)

The Betta (Betta splendens) is one of the most popular and most mis-housed aquarā€¦
Guppy

Guppy

The Guppy (Poecilia reticulata) is one of the most popular and easiest tropical ā€¦
Neon Tetra

Neon Tetra

The Neon Tetra (Paracheirodon innesi) is the iconic small community fish - a tinā€¦
Cardinal Tetra

Cardinal Tetra

The Cardinal Tetra (Paracheirodon axelrodi) is the larger and more brilliantly cā€¦
Angelfish

Angelfish

The Angelfish (Pterophyllum scalare) is one of the most recognisable aquarium fiā€¦
Discus

Discus

The Discus (Symphysodon species) is the "king of the aquarium" - a disc-shaped, ā€¦
Corydoras Catfish

Corydoras Catfish

Corydoras catfish (Corydoras genus) are small, sociable, armoured bottom-dwellinā€¦
Bristlenose Pleco

Bristlenose Pleco

The Bristlenose Pleco (Ancistrus species) is a small armoured catfish from Southā€¦
Cichlid (Overview)

Cichlid (Overview)

Cichlids are an enormous family of freshwater fish (over 1,650 described speciesā€¦
Molly / Platy / Swordtail (Livebearers)

Molly / Platy / Swordtail (Livebearers)

Molly, Platy, and Swordtail are three closely related livebearing fish from Centā€¦
Killifish

Killifish

Killifish are a diverse family of small colourful fish from around the world - oā€¦
Dwarf Gourami

Dwarf Gourami

The Dwarf Gourami (Trichogaster lalius) is a small, brightly coloured labyrinth ā€¦
Oscar

Oscar

The Oscar (Astronotus ocellatus) is a large, intelligent South American cichlid ā€¦
Zebra Danio

Zebra Danio

The Zebra Danio (Danio rerio) is a small, hardy, endlessly active schooling fishā€¦
Harlequin Rasbora

Harlequin Rasbora

The Harlequin Rasbora (Trigonostigma heteromorpha) is a small, peaceful schoolinā€¦
Kuhli Loach

Kuhli Loach

The Kuhli Loach (Pangio kuhlii) is a small, peaceful, eel-shaped bottom-dweller ā€¦
Tiger Barb

Tiger Barb

The Tiger Barb (Puntigrus tetrazona) is a small, active, boisterous schooling fiā€¦
Platy

Platy

The Platy (Xiphophorus maculatus) is a small, hardy, brightly coloured livebeareā€¦
Molly

Molly

The Molly (Poecilia sphenops / Poecilia latipinna) is a hardy, peaceful livebearā€¦
German Blue Ram

German Blue Ram

The German Blue Ram (Mikrogeophagus ramirezi) is a small, strikingly colorful dwā€¦
Honey Gourami

Honey Gourami

The Honey Gourami (Trichogaster chuna) is a small, peaceful, beginner-friendly lā€¦
Ember Tetra

Ember Tetra

The ember tetra (Hyphessobrycon amandae) is a tiny, glowing-orange nano fish froā€¦
Swordtail

Swordtail

The swordtail (Xiphophorus hellerii) is a hardy, active livebearer named for theā€¦
Pearl Gourami

Pearl Gourami

The pearl gourami (Trichopodus leerii) is a graceful labyrinth fish covered in aā€¦
Cherry Barb

Cherry Barb

The cherry barb (Puntius titteya) is a small, peaceful schooling fish prized forā€¦
Otocinclus

Otocinclus

The otocinclus (Otocinclus sp.), often called the "oto" or dwarf sucker catfish,ā€¦
Rummynose Tetra

Rummynose Tetra

The rummynose tetra (Hemigrammus rhodostomus) is a striking schooling fish knownā€¦
Rosy Barb

Rosy Barb

The rosy barb (Pethia conchonius) is a hardy, active schooling fish from South Aā€¦
Endler

Endler

The Endler (Poecilia wingei), often called Endler's livebearer, is a tiny, dazzlā€¦
Boesemani Rainbowfish

Boesemani Rainbowfish

The Boesemani rainbowfish (Melanotaenia boesemani) is one of the most spectaculaā€¦
Celestial Pearl Danio

Celestial Pearl Danio

The celestial pearl danio (Danio margaritatus), often sold as the "galaxy rasborā€¦
Apistogramma

Apistogramma

Apistogramma is a large genus of South American dwarf cichlids, with over 90 desā€¦
Kribensis

Kribensis

The kribensis (Pelvicachromis pulcher) is a hardy West African dwarf cichlid andā€¦
Convict Cichlid

Convict Cichlid

The convict cichlid (Archocentrus nigrofasciatus) is one of the toughest, most pā€¦
Firemouth Cichlid

Firemouth Cichlid

The firemouth cichlid (Thorichthys meeki) is a handsome, medium-sized Central Amā€¦
Electric Blue Acara

Electric Blue Acara

The electric blue acara is a stunning man-made colour form of the blue acara (Anā€¦
Clown Loach

Clown Loach

The clown loach (Chromobotia macracanthus) is a bold, orange-and-black striped lā€¦
Siamese Algae Eater

Siamese Algae Eater

The Siamese algae eater (Crossocheilus oblongus, sometimes sold as Crossocheilusā€¦
White Cloud Mountain Minnow

White Cloud Mountain Minnow

The white cloud mountain minnow (Tanichthys albonubes) is a tiny, hardy, cool-waā€¦
Glowlight Tetra

Glowlight Tetra

The glowlight tetra (Hemigrammus erythrozonus) is a small, peaceful nano tetra fā€¦
Pea Puffer

Pea Puffer

The pea puffer (Carinotetraodon travancoricus), also called the dwarf or Indian ā€¦
Comet Goldfish

Comet Goldfish

The Comet is the athletic goldfish - a slim, single-tailed American breed with aā€¦
Shubunkin Goldfish

Shubunkin Goldfish

The Shubunkin is the calico goldfish - a hardy single-tail wearing a mosaic of bā€¦
Fantail Goldfish

Fantail Goldfish

The Fantail is the gateway fancy goldfish - an egg-shaped body with a doubled, fā€¦
Ryukin Goldfish

Ryukin Goldfish

The Ryukin is the fancy goldfish with shoulders - a tall dorsal hump rising steeā€¦
Oranda Goldfish

Oranda Goldfish

The Oranda is the fancy goldfish with the raspberry hat - a fleshy crown (the 'wā€¦
Ranchu Goldfish

Ranchu Goldfish

The Ranchu is Japan's 'king of goldfish' - a back without a dorsal fin curving iā€¦
Black Moor Goldfish

Black Moor Goldfish

The Black Moor is the velvet fancy - a matte-black telescope-eyed goldfish whoseā€¦
Telescope Goldfish

Telescope Goldfish

The Telescope goldfish carries its eyes on turrets - protruding orbs that give tā€¦
Pearlscale Goldfish

Pearlscale Goldfish

The Pearlscale is the golf ball of the goldfish world - a nearly spherical body ā€¦
Bubble Eye Goldfish

Bubble Eye Goldfish

The Bubble Eye is the most extreme goldfish commonly kept - dorsal-less, slow, aā€¦
Celestial Eye Goldfish

Celestial Eye Goldfish

The Celestial gazes permanently at the sky - telescope eyes rotated fully upwardā€¦
Lionhead Goldfish

Lionhead Goldfish

The Lionhead is China's crowned eggfish - the original dorsal-less breed whose hā€¦
Wakin Goldfish

Wakin Goldfish

The Wakin is Japan's everyday treasure - a single-body, DOUBLE-tailed pond goldfā€¦
Kohaku Koi

Kohaku Koi

Kohaku is the first and greatest koi variety - pure white skin carrying red (hi)ā€¦
Taisho Sanke Koi

Taisho Sanke Koi

Taisho Sanke - 'Sanke' to friends - is Kohaku wearing ink: the same white base aā€¦
Showa Koi

Showa Koi

Showa is the dramatic member of koi's Big Three - fundamentally a BLACK fish wraā€¦
Ogon Koi

Ogon Koi

The Ogon is koi minimalism - one solid metallic colour, usually platinum white oā€¦
Asagi Koi

Asagi Koi

Asagi is koi's ancestral aristocrat - the closest living variety to the originalā€¦
Shusui Koi

Shusui Koi

Shusui is the Asagi undressed - a scaleless (doitsu) koi keeping only a single rā€¦
Tancho Koi

Tancho Koi

The Tancho is the rising sun swimming - a pure white koi whose only red is a sinā€¦
Butterfly Koi

Butterfly Koi

Butterfly koi trail fins like silk scarves - long-finned koi bred from Indonesiaā€¦
Veiltail Betta

Veiltail Betta

The Veiltail is the classic pet-store betta - a long, drooping caudal fin that tā€¦
Crowntail Betta

Crowntail Betta

The Crowntail Betta is the spikiest betta variety - its fin webbing is reduced bā€¦
Halfmoon Betta

Halfmoon Betta

The Halfmoon Betta is a Betta splendens variety bred for a caudal fin that opensā€¦
Plakat Betta

Plakat Betta

The Plakat is the short-finned betta - the variety closest to Thailand's originaā€¦
Doubletail Betta

Doubletail Betta

The Doubletail Betta is a Betta splendens variety whose caudal fin is geneticallā€¦
Dumbo Ear Betta

Dumbo Ear Betta

The Dumbo Ear Betta is a Betta splendens variety defined by hugely oversized pecā€¦
Koi Betta

Koi Betta

The Koi Betta is a marble-patterned Betta splendens bred to mimic pond koi - irrā€¦
Giant Betta

Giant Betta

The Giant Betta is a selectively bred, super-sized Betta splendens that reaches ā€¦
Rosetail Betta

Rosetail Betta

The Rosetail Betta is a Halfmoon pushed past its limit - excessive branching in ā€¦
Alien Betta

Alien Betta

The Alien Betta is a hybrid variety created by crossing domestic Betta splendensā€¦
Cobra Guppy

Cobra Guppy

The Cobra Guppy is a fancy guppy variety defined by its snakeskin-style pattern ā€¦
Tuxedo Guppy

Tuxedo Guppy

The Tuxedo Guppy wears its name on its body - a pale silver or gold front half aā€¦
Moscow Guppy

Moscow Guppy

The Moscow Guppy is a fancy guppy strain defined by a single trait no other variā€¦
Grass Guppy

Grass Guppy

The Grass Guppy is a fancy guppy variety defined by a fine peppering of tiny dotā€¦
Dumbo Ear Guppy

Dumbo Ear Guppy

The Dumbo Ear Guppy is a fancy guppy variety defined by oversized, elephant-ear ā€¦
Albino Guppy

Albino Guppy

The Albino Guppy is a fancy guppy variety defined by a recessive gene that eraseā€¦
Snakeskin Guppy

Snakeskin Guppy

The Snakeskin Guppy is a fancy variety of Poecilia reticulata defined by a chainā€¦
Half-Black Guppy

Half-Black Guppy

The Half-Black Guppy wears the fancy-guppy world's tuxedo - a dense black rear hā€¦
Mosaic Guppy

Mosaic Guppy

The Mosaic Guppy is a fancy guppy variety defined by an irregular, stained-glassā€¦
Delta Tail Guppy

Delta Tail Guppy

The Delta Tail Guppy carries the largest tail in the guppy hobby - a wide, sharpā€¦
Dragon Scale Betta

Dragon Scale Betta

The Dragon Scale Betta is not a fin shape but a scale trait: a thick, opaque metā€¦
Marble Betta

Marble Betta

The Marble Betta is the variety that refuses to stay the same fish.
Mustard Gas Betta

Mustard Gas Betta

The Mustard Gas Betta is a bicolor: a dark blue, steel, or green body paired witā€¦
Black Orchid Betta

Black Orchid Betta

The Black Orchid Betta is a near-black fish shot through with iridescent blue anā€¦
Butterfly Betta

Butterfly Betta

The Butterfly Betta is defined by a band: the body color runs out into the fins ā€¦
Leopard Guppy

Leopard Guppy

The Leopard Guppy is a tail-pattern strain: round, separate, rosette-like spots ā€¦
Japan Blue Guppy

Japan Blue Guppy

The Japan Blue Guppy is named for a single striking trait: a horizontal electricā€¦
Full Red Guppy

Full Red Guppy

The Full Red Guppy is exactly what the name promises: a male covered in solid reā€¦
Platinum Guppy

Platinum Guppy

The Platinum Guppy is a body trait rather than a tail pattern: a thick metallic ā€¦
Blue Neon Guppy

Blue Neon Guppy

The Blue Neon Guppy, also sold as Neon Blue, is a European-bred strain built aroā€¦

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