Freshwater aquarium fish types and pictures · PeekFish

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Tetras and small characins

75 speciesView all 75 species →

Neon tetra — side-view illustration

Neon tetraUp to 3 cm · 21–25 °C

Cardinal tetra — side-view illustration

Cardinal tetraUp to 3.5 cm · 23–29 °C

Ember tetra — side-view illustration

Ember tetraUp to 2 cm · 20–28 °C

Firehead tetra — side-view illustration

Firehead tetraUp to 3.6 cm · 23–26 °C

Black skirt tetra — side-view illustration

Black skirt tetraUp to 6 cm · 20–26 °C

Emperor tetra — side-view illustration

Emperor tetraUp to 4.2 cm · 23–27 °C

Rasboras and danios

19 speciesView all 19 species →

Illustration of Trigonostigma heteromorpha

Harlequin rasboraUp to 5 cm · 21–28 °C

Illustration of a left-facing adult male wild-color zebrafish with short fins and blue horizontal stripes extending onto the tail

Zebra danioUp to 3.8 cm · 18–24 °C

Celestial pearl danio — left-facing natural-coloured adult male

Celestial pearl danioUp to 2.1 cm · 20–26 °C

Chili rasbora — left-facing natural-coloured adult male

Chili rasboraUp to 2 cm · 20–28 °C

Lambchop rasbora — left-facing natural-coloured adult male

Lambchop rasboraUp to 3 cm · 23–28 °C

Green neon rasbora — left-facing natural-coloured adult male

Green neon rasboraUp to 2 cm · 20–27 °C

Barbs and other cypriniforms

22 speciesView all 22 species →

Bala Shark natural adult facing left, illustration

Bala SharkUp to 35 cm · 20–28 °C

Chinese Barb natural adult facing left, illustration

Chinese BarbUp to 7.5 cm · 16–24 °C

Red-tailed tinfoil barb natural adult facing left, illustration

Red-tailed tinfoil barbUp to 21 cm · 20–27 °C

Tinfoil Barb natural adult facing left, illustration

Tinfoil BarbAbout 20 cm · 20–28 °C

Reticulated flying fox natural adult facing left, illustration

Reticulated flying foxUp to 17 cm · 16–24 °C

Denison barb natural adult facing left, illustration

Denison barbUp to 11 cm · 15–25 °C

Guppies and other livebearers

47 speciesView all 47 species →

Guppy — domestic red delta-tail; not wild-type or all-sex representative; side-view illustration

GuppyUp to 6 cm · 22–28 °C

Left-facing female Alfaro cultratus illustration with silver-gold body, rear dorsal and ventral keel.

Knife livebearerUp to 7.5 cm · 24–28 °C

Left-facing adult male Brachyrhaphis roseni illustration with orange dorsal, dark scale edges and narrow two-tone gonopodium.

Cardinal brachyUp to 6 cm · 22–30 °C

Girardinus falcatus — Natural-type adult male; no locality pedigree claim. side-view illustration.

Goldbelly topminnowUp to 3.7 cm · 24–30 °C

Girardinus metallicus — Black-chin morph adult male; this colour is not shared by every male. side-view illustration.

Metallic livebearerUp to 6 cm · 22–27 °C

Least killifish — natural-type adult male; illustration

Least killifishUp to 2 cm · 20–26 °C

Killifish

13 speciesView all 13 species →

Aphyosemion australe, adult male side-view illustration facing left

Cape Lopez lyretailUp to 6 cm · 21–24 °C

Aphyosemion striatum, adult male side-view illustration facing left

Red-striped lyretailUp to 5 cm · 20–26 °C

Aplocheilus lineatus, adult male side-view illustration facing left, Golden Wonder ornamental form

Striped panchax — Golden Wonder formUp to 10 cm · 24–27 °C

Aplocheilus panchax, adult male left-facing illustration; Mainland-India-reference adult male illustration; not armatus or andamanicus

Blue panchaxUp to 2.8 cm · 20–25 °C

Epiplatys annulatus, adult male side-view illustration facing left

Clown killifishUp to 3.5 cm · 20–26 °C

Epiplatys dageti, adult male side-view illustration facing left, pale-throated dageti representative

Daget’s panchaxUp to 4.5 cm · 21–23 °C

Ricefish

14 speciesView all 14 species →

Japanese ricefish (medaka), adult male, left-facing species illustration

Japanese ricefish (medaka)Up to 3.6 cm · 16–22 °C

Celebes ricefish, adult male with yellow-orange tail bands and lower-flank marks, left-facing illustration

Celebes ricefishUp to 4.5 cm · 23–27 °C

Indian ricefish, adult male with white fin tips and blue anal band, left-facing illustration

Indian ricefishUp to 3.5 cm · 23–27 °C

Doping-doping ricefish, natural adult male with pale yellow-silver flanks and diffuse dark spots, left-facing transparent illustration

Doping-doping ricefishUp to 3.6 cm · 24–28 °C

Evers’ ricefish, non-nuptial adult male, left-facing illustration

Evers’ ricefishUp to 3.8 cm · 18–24 °C

Javanese ricefish, natural adult male with yellow tail bands, left-facing illustration

Javanese ricefishUp to 3.5 cm · 24–29 °C

Bettas and gouramis

106 speciesView all 106 species →

Domestic royal-blue halfmoon male Betta — side-view illustration

Betta fishUp to 6.5 cm · 24–26 °C

Illustration of Anabas testudineus, complete left-facing side view

Climbing perchUp to 20 cm · 15–30 °C

Java combtail — natural-colour adult male; left-facing side-view illustration

Java combtailUp to 20 cm · 21–26 °C

Ceylonese combtail — natural reddish adult, sex unspecified; left-facing illustration.

Ceylonese combtailUp to 12 cm · 20–27 °C

Betta albimarginata — natural-colour adult male; left-facing side-view illustration

Whiteseam bettaUp to 3 cm · 23–28 °C

Illustration of Betta apollon, complete left-facing side view

Betta apollonUp to 5.2 cm · 24–26 °C

Cory catfish

104 speciesView all 104 species →

Panda Cory — left-facing illustration

Panda CoryUp to 5 cm · 22–25 °C

Illustration of Aspidoras albater, complete left-facing side view

Greyspotted bulldog coryUp to 3.6 cm · 22–24 °C

Aspidoras kiriri left-facing illustration

Aspidoras kiririUp to 3.3 cm · About 21 °C

Illustration of Aspidoras raimundi, complete left-facing side view

Raimund's AspidorasUp to 4.5 cm · 20–25 °C

Illustration of Brochis amandajanea, complete left-facing side view

Amanda Jane's coryUp to 6.5 cm · 23–27 °C

Illustration of Brochis ambiacus, complete left-facing side view

Spotted CoryUp to 6.5 cm · 21–27 °C

Plecos and suckermouth catfish

20 speciesView all 20 species →

Illustration of adult Acanthicus adonis in left-facing side view.

Polka dot lyre-tail plecoUp to 20.6 cm · 23–30 °C

Illustration of adult Ancistrus claro in left-facing side view.

Gold marble bristlenoseUp to 6.6 cm · 24–28 °C

Illustration of adult Ancistrus dolichopterus in left-facing side view.

Starlight bristlenose plecoUp to 14.5 cm · 26–30 °C

Illustration of adult Baryancistrus beggini in left-facing side view.

Blue-fin pleco (L239)Up to 8.1 cm · 24–28 °C

Illustration of adult Baryancistrus xanthellus in left-facing side view.

Gold nugget plecoUp to 29.7 cm · 27–32 °C

Illustration of adult Farlowella vittata in left-facing side view.

Twig catfishUp to 22.5 cm · 24–26 °C

Other catfish

17 speciesView all 17 species →

Spotted talking catfishUp to 15 cm · 22–26 °C

Oil catfish (Duringlanis perugiae), side-view illustration, female, adult natural form, left-facing

Oil catfishUp to 5 cm · 26–28 °C

Dwarf anchor catfish (Erethistes jerdoni), side-view illustration, sex unspecified, adult natural form, left-facing

Dwarf anchor catfishAbout 2.5 cm · 18–24 °C

Sun catfish (Horabagrus brachysoma), side-view illustration, sex unspecified, adult natural form, left-facing

Sun catfishUp to 45 cm · 23–25 °C

Glass catfish (Kryptopterus vitreolus), side-view illustration, sex unspecified, adult natural form, left-facing

Glass catfishUp to 6.5 cm · 20–26 °C

Spotted hoplo (Megalechis thoracata), side-view illustration, male, adult natural form, left-facing

Spotted hoploUp to 15.5 cm · 18–28 °C

Loaches

51 speciesView all 51 species →

Illustration of a left-facing clown loach with an orange body, three broad black bands and visible mouth barbels

Clown loachUp to 40 cm · 24–30 °C

Acantopsis dialuzona: natural-colour, left-facing lateral illustration; intended representative adult form, sex unspecified; no specimen, exact-stage or expert identification is claimed.

Piglet horseface loachUp to 25 cm · 25–28 °C

Ambastaia nigrolineata — left-facing adult illustration

Black-lined loachUp to 8 cm · 20–25 °C

Ambastaia sidthimunki — left-facing adult illustration

Dwarf chain loachUp to 5.5 cm · 20–30 °C

Beaufortia kweichowensis — left-facing adult illustration

Chinese hillstream loachUp to 8 cm · 16–24 °C

Beaufortia zebroida: natural-colour, left-facing lateral illustration; intended representative adult form, sex unspecified; no specimen, exact-stage or expert identification is claimed.

Beaufortia zebroidaUp to 2.7 cm · 16–24 °C

Cichlids

75 speciesView all 75 species →

Freshwater angelfish, silver normal-fin form, sex unspecified, left-facing illustration

Freshwater angelfishUp to 10.5 cm · 26–30 °C

Illustration of Acarichthys heckelii, complete left-facing side view

Threadfin acaraUp to 20 cm · 24–30 °C

Illustration of Altolamprologus calvus, complete left-facing side view

Calvus cichlidUp to 13.8 cm · 24–27 °C

Illustration of Altolamprologus compressiceps, complete left-facing side view

Compressed cichlidUp to 12.5 cm · 24–28 °C

Convict cichlid, natural-colour normal-fin adult male without female orange belly, left-facing illustration

Convict cichlidUp to 15 cm · 24–28 °C

Illustration of Amatitlania sajica, complete left-facing side view

T-bar cichlidUp to 9 cm · 23–30 °C

Rainbowfish and blue-eyes

53 speciesView all 53 species →

Melanotaenia boesemani — adult male side-view illustration

Boesemani rainbowfishUp to 9 cm · 24–28 °C

Illustration of adult male Bedotia madagascariensis, left side, ordinary adult male

Madagascan rainbowfishUp to 10 cm · 24–25 °C

Illustration of adult male Chilatherina alleni, left side, Wapoga illustrated form

Allen's rainbowfishUp to 6.6 cm · 22–28 °C

Illustration of adult male Chilatherina bleheri, complete left-facing side view

Bleher's rainbowfishUp to 12 cm · 23–27 °C

Illustration of adult male Chilatherina fasciata, left side, Lake Wanam male, resting coloration

Barred rainbowfishUp to 11 cm · 28–32 °C

Illustration of adult male Chilatherina sentaniensis, left side, red aquarium population; wild locality unknown

Sentani rainbowfishUp to 10 cm · 24–28 °C

Goldfish

16 varietiesView all 16 varieties →

Pearlscale goldfish — left-facing adult side-view illustration

Pearlscale goldfishAbout 10 cm · 20–22 °C

Fantail domestic goldfish — left-facing side-view illustration

Fantail goldfishAbout 10 cm · 20–22 °C

Lionhead goldfish — left-facing adult side-view illustration

Lionhead goldfishAbout 10 cm · 20–22 °C

Broadtail moor — left-facing adult side-view illustration

Broadtail moorAbout 10 cm · 20–22 °C

Bubble-eye goldfish — left-facing adult side-view illustration

Bubble-eye goldfishAbout 10 cm · 20–22 °C

London shubunkin — left-facing adult side-view illustration

London shubunkinAbout 10 cm · 20–22 °C

Koi

24 varietiesView all 24 varieties →

Shiro Utsuri koi, complete left-facing side-view illustration

Shiro UtsuriUp to 28 cm · 15–25 °C

Ai Goromo koi, complete left-facing side-view illustration

Ai GoromoUp to 28 cm · 15–25 °C

Kumonryu koi, complete left-facing side-view illustration

KumonryuUp to 28 cm · 15–25 °C

Asagi koi, complete left-facing side-view illustration

AsagiUp to 28 cm · 15–25 °C

Koi — Kohaku-type illustration; Adult normal-fin red-and-white Kohaku-type phenotype; sex and pedigree unverified; side-view illustration

KohakuUp to 28 cm · 15–25 °C

Platinum Ogon koi, complete left-facing side-view illustration

Platinum OgonUp to 28 cm · 15–25 °C

Freshwater gobies and gudgeons

15 speciesView all 15 species →

Freshwater bumblebee goby left-facing adult illustration, sex unspecified

Freshwater bumblebee gobyUp to 2 cm · 22–28 °C

Desert goby adult male in left-facing side view; illustration

Desert gobyUp to 6 cm · 20–28 °C

Empire gudgeon adult male in left-facing side view; illustration

Empire gudgeonAbout 5 cm · 20–35 °C

Chinese sleeper left-facing adult illustration, sex unspecified

Chinese sleeperUp to 6.2 cm · 18–22 °C

Southern purplespotted gudgeon adult male in left-facing side view; illustration

Southern purplespotted gudgeonUp to 12 cm · 16–20 °C

Lake Matano goby adult male in left-facing side view; illustration

Lake Matano gobyUp to 4.3 cm · 22–28 °C

Other pond fish

6 speciesView all 6 species →

Sterlet; Adult natural olive-brown form; sex unspecified; side-view illustration

SterletAbout 40 cm · 10–18 °C

Grass carp — Adult natural olive-silver form; sex unspecified; side-view illustration

Grass carpUp to 150 cm

Three-spined stickleback, nonbreeding adult with a fully plated appearance, left-facing illustration; sex and population unverified

Three-spined sticklebackAbout 5.1 cm · 4–20 °C

Golden orfe / ide — Adult golden colour form; sex unspecified; side-view illustration

Golden orfe / ideUp to 85 cm · 10–22 °C

Rudd — Adult natural bronze-gold form; sex unspecified; side-view illustration

RuddAbout 20 cm · 10–22 °C

Tench — Adult female, natural olive-green form; side-view illustration

TenchUp to 70 cm

Freshwater puffers

16 speciesView all 16 species →

Pea puffer (Carinotetraodon travancoricus), left-facing adult illustration

Pea pufferUp to 3.5 cm · 23.3–27.8 °C

Bornean redeye puffer (Carinotetraodon borneensis), left-facing adult illustration

Bornean redeye pufferUp to 4.4 cm · 20–28 °C

Imitator dwarf puffer (Carinotetraodon imitator), left-facing adult illustration

Imitator dwarf pufferUp to 2.7 cm · 20–24 °C

Red-tailed redeye puffer (Carinotetraodon irrubesco), left-facing adult illustration

Red-tailed redeye pufferUp to 4.4 cm · 20–28 °C

Redeye puffer (Carinotetraodon lorteti), left-facing adult illustration

Redeye pufferUp to 6 cm · 20–28 °C

Striped redeye puffer (Carinotetraodon salivator), left-facing adult illustration

Striped redeye pufferUp to 5 cm · 20–28 °C

Badis and leaffish

10 speciesView all 10 species →

Blue badis — Natural-coloured adult male; illustration

Blue badisUp to 6 cm · 15–25 °C

Eyespot badisAbout 2.5 cm · 20–24 °C

Burmese badisUp to 5 cm · 20–24 °C

Scarlet badis — Natural-coloured adult male; illustration

Scarlet badisUp to 2 cm · 18–26 °C

Flame red badis — Natural red-form adult male; illustration

Flame red badisUp to 2 cm · 20–24 °C

Kajal darioUp to 2 cm · 16–24 °C

Snakeheads

10 speciesView all 10 species →

Blue rainbow snakehead — Natural adult, sex unspecified; no pelvic fins, blue fins, no orange-red tail patches; illustration.

Blue rainbow snakeheadUp to 14.2 cm · 14–24 °C

Small snakehead — Natural brown adult, sex unspecified; white spots, tail-base eyespot, no pelvic fins; illustration.

Small snakeheadUp to 23.5 cm · 22–28 °C

Orange-spotted snakehead — Natural adult, sex unspecified; golden-orange flank patches and pelvic fins present; illustration.

Orange-spotted snakeheadUp to 36.2 cm · 22–28 °C

Rainbow snakehead — Natural adult, sex unspecified; orange-red tail patches and no pelvic fins; illustration.

Rainbow snakeheadUp to 14.4 cm · 22–26 °C

Emperor snakehead — Natural golden-brown adult, sex and locality unspecified; upper tail-base ocellus and irregular flank patches; illustration.

Emperor snakeheadUp to 27 cm · 22–30 °C

Giant snakehead — Natural adult, sex unspecified; dark flank band and pale dorsal mottling, without the orange-red juvenile stripe; illustration.

Giant snakeheadAbout 50 cm · 25–28 °C

Arowanas and relatives

7 speciesView all 7 species →

Asian arowana adult wild-type left-facing transparent illustration

Asian arowanaUp to 90 cm · 24–30 °C

African bonytongue adult representative natural form, left-facing transparent illustration without chin barbels

African bonytongueUp to 100 cm · 25–30 °C

Silver arowana adult wild-type left-facing transparent illustration

Silver arowanaUp to 90 cm · 24–29 °C

Black arowana adult wild-type left-facing transparent illustration

Black arowanaUp to 90 cm · 24–30 °C

African butterflyfish adult wild-type left-facing transparent illustration

African butterflyfishUp to 11.9 cm · 25–28 °C

Northern saratoga adult wild-type left-facing transparent illustration

Northern saratogaAbout 55 cm · 24–30 °C

Freshwater stingrays

15 speciesView all 15 species →

Potamotrygon leopoldi — dorsal top-down illustration, head up, complete disc and tail down

White-blotched river stingrayUp to 70 cm · 20–29 °C

Heliotrygon gomesi — dorsal top-down illustration, head up, complete disc and tail down

Gomes’s round rayUp to 13.5 cm · 23.9–27.8 °C

Heliotrygon rosai — dorsal top-down illustration, head up, complete disc and tail down

Rosa’s round rayUp to 80 cm · 23.9–27.8 °C

Paratrygon aiereba — dorsal top-down illustration, head up, complete disc and tail down

Discus rayUp to 80 cm · 23.9–27.8 °C

Plesiotrygon iwamae — dorsal top-down illustration, head up, complete disc and tail down

Long-tailed river stingrayUp to 58 cm · 23.9–27.8 °C

Plesiotrygon nana — dorsal top-down illustration, head up, complete disc and tail down

Black-tailed antenna rayUp to 24.7 cm · 23.9–27.8 °C

Other characins

12 speciesView all 12 species →

Marbled headstander — left-facing natural adult, illustration

Marbled headstanderUp to 14 cm · 23–27 °C

Striped headstander — left-facing natural adult, illustration

Striped headstanderUp to 16 cm · 22–28 °C

Gold-striped headstander — left-facing natural adult, illustration

Gold-striped headstanderUp to 12.5 cm · 20–28 °C

Gar characin — left-facing adult, illustration

Gar characinUp to 26 cm · 22–28 °C

Banded leporinus — left-facing natural adult, illustration

Banded leporinusUp to 37 cm · 22–26 °C

Metynnis argenteus, representative adult in left-facing lateral illustration.

Silver dollarUp to 15 cm · 24–28 °C

Knifefish, bichirs and more

19 speciesView all 19 species →

Black ghost knifefish, left-facing adult natural-colour side-view illustration

Black ghost knifefishUp to 50 cm · 23–28 °C

Alligator gar, adult natural-colour left-facing illustration

Alligator garUp to 305 cm · 11–23 °C

Royal featherback, adult natural-colour left-facing illustration

Royal featherbackUp to 120 cm · 20–28 °C

Clown featherback, adult natural-colour left-facing illustration

Clown featherbackUp to 100 cm · 20–28 °C

Indonesian tiger perch, adult natural-colour left-facing illustration

Indonesian tiger perchUp to 50 cm · 20–28 °C

Siamese tiger perch, adult natural-colour left-facing illustration

Siamese tiger perchUp to 40 cm · 20–28 °C

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