List of Freshwater Aquarium Fish Species

Cyprinids

Barbs

Common name	Taxonomy	Size	Tank Type	Care Level	Remarks
Arulius barb	Puntius arulius	12 cm (4.7 in)
Bigspot barb, Duncker's barb	Puntius dunckeri	13 cm (5.1 in)			Peaceful when small but should not be kept with other species at adulthood.
Black ruby barb	Puntius nigrofasciatus	6.5 cm (2.6 in)
Checker barb	Puntius oligolepis	5 cm (2.0 in)
Cherry barb	Puntius titteya	4.8 cm (1.9 in)	Community	Easy	very peaceful, and works well with white clouds and neon tetras
Clipper barb	Barbus callipterus	7.5 cm (3.0 in)
Clown barb	Puntius everetti	15 cm (5.9 in)
Gold barb	Puntius semifasciolatus	8 cm (3.1 in)	Community	Easy
Golden barb	Puntius gelius	5 cm (2.0 in)
Greenstripe barb	Puntius vittatus	5 cm (2.0 in)
Melon barb	Puntius fasciatus	15 cm (5.9 in)
Odessa barb	Puntius padamya	8 cm (3.1 in)	Community	Easy
Onespot barb	Puntius terio	15 cm (5.9 in)
Pentazona barb, fiveband barb	Puntius pentazona	5 cm (2.0 in)			this species may be confused with tiger barb due to similarities
Pool barb	Puntius sophore	18 cm (7.1 in)
Partipentazona barb	Puntius partipentazona	3.8 cm (1.5 in)
Red line torpedo barb, Denison's barb	Puntius denisonii	15 cm (5.9 in)
Rosy barb	Puntius conchonius	13 cm (5.1 in)	Community	Easy
Shortfin barb	Barbus brevipinnis	4.6 cm (1.8 in)
Spanner barb, t-barb	Puntius lateristriga	20 cm (7.9 in)
Spotted barb, common barb	Puntius binotatus	19.5 cm (7.7 in)
Spottedsail barb, dwarf barb	Puntius phutunio	7.8 cm (3.1 in)
Swamp barb	Puntius chola	15 cm (5.9 in)
Ticto barb	Barbus ticto	10 cm (3.9 in)
Tic-tac-toe barb	Puntius stoliczkanus	5 cm (2.0 in)
Tiger barb, sumatra barb	Puntius tetrazona	7.5 cm (3.0 in)	Community	Easy	There are many varieties as well as hybrids with other barbs. Good community schooling fish. They are fin nippers.
Tinfoil barb	Barbonymus schwanenfeldii	36 cm (14 in)			This species is much larger than most other barbs

Cold-water cyprinids

Common name	Taxonomy	Size	Tank Type	Care Level	Remarks	Temp Range	Acceptable pH
Goldfish	Carassius auratus	15+ cm (6+ in)	Community	Easy	variations: Black Moor, Bubble Eye, Butterfly Tail, Calico, Celestial Eye, Comet, Common, Fantail, Lionchu, Lionhead, Oranda, Panda Moor, Pearlscale, Pompom, Ranchu, Ryukin, Shubunkin, Telescope eye, Veiltail
Koi, common carp	Cyprinus carpio	30+ cm (12+ in)	Pond	Easy	the fancy variations of common carp are known as koi.
White Cloud Mountain minnow	Tanichthys albonubes	3.8 cm (1.5 in)	Pond/Community	Easy	lutino variety can also be found in the aquarium trade
Common dace	Leuciscus leuciscus	40 cm (16 in)				39 to 72 °F (4 to 22 °C)	6.0 to 8.0
Rosy red minnow, fathead minnow	Pimephales promelas	5-7.5 cm (2–3 in)	Pond/Minnow Tank	Easy	sold as feeder fish; the gold variety known as "rosy red" is very common (the image is of the "rosy red" strain)	10 - 21 °C (50 - 70 °F)	7.0 - 7.5
Southern redbelly dace	Phoxinus erythrogaster	7.5–10 cm (3–4 in)	Pond/Minnow Tank	Easy

Danios and other danionins

Common name	Taxonomy	Size	Tank Type	Care Level	Remarks
Bengal danio, Sind danio	Danio devario
Giant danio	Devario aequipinnatus
Malabar danio	Devario malabaricus	11.5–14 cm (4.5-5.5 in)	Community	Easy
Pearl danio	Danio albolineatus	6.5 cm (2.6 in)		Easy	subspecies:blue-redstripe danio, Kedah danio
Queen danio	Devario regina
Spotted danio	Danio nigrofasciatus			Easy
Turquoise danio	Brachydanio kerri
Zebra danio	Brachydanio rerio	5 cm (2.0 in)		Easy	there are many variations of this fish: leopard danio,the spotted colour morph, and GloFish, the genetically modified fluorescent fish.

Rasboras

Common name	Taxonomy	Size	Tank Type	Care Level	Remarks	Temp Range
Harlequin rasbora	Trigonostigma heteromorpha	5 cm (2.0 in)	Community	Easy	Also known as Harlequin tetra
Espei rasbora		5 cm (2.0 in)	Community	Easy
Hengeli rasbora		5 cm (2.0 in)	Community	Easy
Blackline rasbora, red-tailed rasbora	Rasbora borapetensis
Red-striped rasbora	Rasbora pauciperforata	7.5 cm (3.0 in)	Community		Range: Sumatra	22 - 29 °C (72 - 85 °F)
Volcano rasbora	Rasbora vulcanus

Other cyprinids

Common name	Taxonomy	Size	Tank Type	Care Level	Remarks
Bala shark	Balantiocheilus melanopterus	40 cm (16 in)	Community
Flying fox (fish)	Epalzeorhynchos kalopterus				this species may be sold as Siamese algae eater
Red-tailed black shark	Epalzeorhynchos bicolor	7 in	community	easy	albino variation available
Red-finned shark	Epalzeorhynchos frenatum	7 in	community	easy	albino variation available
Cambodian log sucker, false Siamese algae eater	Garra cambodgiensis				this species may be sold as Siamese algae eater
Chinese algae eater	Gyrinocheilus aymonieri			Easy	This species may be sold as Siamese algae eater. A gold colored form also exists. Could be territorial
Siamese algae eater	Crossocheilus siamensis		Community	Easy	Many other cyprinids are sometimes mistakenly sold under this name. Very likely to jump out of the aquarium especially after reaching adult size. Very useful for getting rid of algae when it is young but prefer fish food upon reaching adulthood.