News
RiversEl Niño seen disrupting fish migration patternsSpeciesScientists Discover Mysterious New Fish in the Red Sea – and Have Never Seen It AgainOceanEye to eye with Britain's hidden sharks at SharkAdemy - OceanographicRiversIn October, biologists surveying a New York harbor for invasive fish pulled up a bright yellow one. It wasn't an invasive species at allOceanShedd Aquarium Sends Shark Eggs to Bolster Wild PopulationsSpeciesA rare fish has been found in Lake Ontario, North America, whose entire body is golden. It is a nati..OceanThe Great Sea Reef Is Fiji’s Wildest Dive, and a New Frontier for ConservationOceanEckerd College professor contributes to designating Biscayne Bay an Important Shark and Ray AreaSpeciesRio Verde Grande Survey Identifies Fifty-Three Fish Species Facing Flow ReductionsFisheriesAdams River Salmon Run in Thompson-NicolaRiversEl Niño seen disrupting fish migration patternsSpeciesScientists Discover Mysterious New Fish in the Red Sea – and Have Never Seen It AgainOceanEye to eye with Britain's hidden sharks at SharkAdemy - OceanographicRiversIn October, biologists surveying a New York harbor for invasive fish pulled up a bright yellow one. It wasn't an invasive species at allOceanShedd Aquarium Sends Shark Eggs to Bolster Wild PopulationsSpeciesA rare fish has been found in Lake Ontario, North America, whose entire body is golden. It is a nati..OceanThe Great Sea Reef Is Fiji’s Wildest Dive, and a New Frontier for ConservationOceanEckerd College professor contributes to designating Biscayne Bay an Important Shark and Ray AreaSpeciesRio Verde Grande Survey Identifies Fifty-Three Fish Species Facing Flow ReductionsFisheriesAdams River Salmon Run in Thompson-Nicola
EveryFish

Small: 5 to 20 cm

Sardines, anchovies, most aquarium fish and many reef fish. 175 fish.

TinySmallMediumLargeVery largeGiant
GroupSharkRayCarpCatfishSalmonidHerringCodTunaPerch-likeCichlidReef fishEelFlatfishLivebearerAncientOther
WaterRivers and lakesEstuaries and mangrovesCoasts and shelvesCoral reefsOpen oceanDeep seaPolar and cold seasCaves and springsBetween sea and river
UseFood fishFarmedAquarium fishSport fishingCulture and faithVenomous or dangerousInvasiveScience and research
OrderBest knownA to ZOldest firstNewest firstBy size
WorldWhite spotted cichlid A small rock-dwelling cichlid from Lake Tanganyika.Cichlid · Rivers and lakes Sub-Saharan AfricaRed Zebra Cichlid A colourful rock-dwelling cichlid from Lake Malawi.Cichlid · Rivers and lakes WorldOcellated shell dweller Small cichlid from Lake Tanganyika living in snail shellsCichlid · Rivers and lakes 🇲🇽 Mexico and 3 moreSalvin's cichlid A colourful Central American river fish with a yellow body and red belly.Cichlid · Rivers and lakes 🇹🇿 TanzaniaPundamilia nyererei A small cichlid from Lake Victoria named after Tanzania's first president.Cichlid · Rivers and lakes Sub-Saharan AfricaBumblebee cichlid A Lake Malawi cichlid that cleans catfish and steals their eggs.Cichlid · Rivers and lakes Sub-Saharan AfricaKenyi cichlid A bright yellow and blue cichlid from Lake Malawi.Cichlid · Rivers and lakes Sub-Saharan AfricaZebra mbuna Small rock-dwelling cichlid from Lake MalawiCichlid · Rivers and lakes 🇧🇷 Brazil and 3 moreFlag cichlid A South American cichlid from river basins in Brazil and Bolivia.Cichlid · Rivers and lakes 🇲🇽 Mexico and 2 moreFiremouth cichlid Central American cichlid with a bright red throatCichlid · Rivers and lakes 🇳🇬 Nigeria and 1 moreKribensis Small colourful cichlid from West AfricaCichlid · Rivers and lakes · 1901 Sub-Saharan AfricaElectric yellow cichlid Bright yellow cichlid from Lake Malawi popular in home aquariums.Cichlid · Rivers and lakes 🇧🇴 Bolivia and 1 moreBolivian ram A small, peaceful cichlid from the Amazon basin.Cichlid · Rivers and lakes 🇻🇪 Venezuela and 1 moreOtocinclus Small South American armored catfishes known for algae eating and air breathing.Catfish · Rivers and lakes 🇧🇷 BrazilZebra pleco Striped catfish from the Rio XinguCatfish · Rivers and lakes · 1991 🇹🇭 ThailandGlass catfish A small, transparent freshwater catfish from Thailand.Catfish · Rivers and lakes · 2013 WorldBronze corydoras Small armored catfish popular in home aquariumsCatfish · Rivers and lakes · 1858 🇧🇷 Brazil and 1 moreAncistrus A genus of small, nocturnal freshwater catfish native to South America and Panama.Catfish · Rivers and lakes 🇵🇪 Peru and 1 morePanda corydoras Small armoured catfish with distinctive black eye patchesCatfish · Rivers and lakes · 1971 Southeast AsiaSiamese algae-eater A bottom-dwelling freshwater fish from Southeast Asia known for eating red algae in aquariums.Carp · Rivers and lakes Southeast AsiaRainbow shark A Southeast Asian freshwater cyprinid kept as a popular but aggressive aquarium fish.Carp · Rivers and lakes Southeast AsiaClown barb A spotted freshwater fish from Borneo and Sumatra.Carp · Rivers and lakes 🇲🇲 Myanmar and 2 morePearl danio Small tropical freshwater fish with an iridescent sheen.Other · Rivers and lakes 🇮🇩 IndonesiaKuhli loach A slender, nocturnal freshwater fish from Southeast Asia popular in aquariums.Other · Rivers and lakes · 1846 🇺🇸 United States and 2 moreFathead minnow Small North American freshwater fish used as bait and in toxicity studies.Carp · Rivers and lakes 🇮🇩 Indonesia and 1 moreTiger barb Active striped freshwater fish popular in home aquariums.Carp · Rivers and lakes 🇱🇰 Sri Lanka and 2 moreCherry barb Small tropical freshwater fish from Sri Lanka, popular in aquariums for its bright red colour.Carp · Rivers and lakes · 1929 🇱🇰 Sri LankaCeylonese combtail Aggressive labyrinth fish from Sri LankaOther · Rivers and lakes WorldGuntea loach A small Asian loach that breathes through its gut to survive in poor water.Other · Rivers and lakes 🇵🇰 Pakistan and 4 moreSwamp barb Small tropical freshwater fish from South AsiaCarp · Rivers and lakes 🇮🇳 India and 1 moreHoney gourami Small orange freshwater fish from India and BangladeshOther · Rivers and lakes 🇵🇰 Pakistan and 3 moreGiant danio Large, active freshwater fish from South and Southeast Asia.Other · Rivers and lakes 🇵🇰 Pakistan and 2 moreDwarf gourami Small South Asian freshwater fish with vibrant colours.Other · Rivers and lakes 🇮🇳 India and 1 moreMalabar danio A small, striped freshwater fish from India and Sri Lanka.Other · Rivers and lakes · 1849 Banded gourami 🇧🇩 Bangladesh and 4 moreBanded gourami Small tropical air-breathing fish with striped patternsPerch-like · Rivers and lakes · 1801 Pool barb 🇮🇳 India and 4 morePool barb Small tropical cyprinid from Asian inland watersCarp · Rivers and lakes · 1822 South AsiaRosy barb A colourful subtropical freshwater fish popular in home aquariums.Carp · Rivers and lakes 🇮🇳 India and 4 moreIndian flying barb A silver cyprinid with long barbels and jumping ability.Carp · Rivers and lakes · 1822 🇳🇵 Nepal and 4 moreTicto barb Small silver freshwater fish with two black spotsCarp · Rivers and lakes 🇮🇳 IndiaDenison barb Endangered Indian cyprinid prized in the aquarium tradeCarp · Rivers and lakes 🇻🇪 Venezuela and 4 moreGuppy Small tropical livebearer known for bright male colours and rapid reproduction.Livebearer · Rivers and lakes · 1859 🇮🇳 India and 1 moreOrange chromide Small spotted cichlid from India and Sri LankaCichlid · Rivers and lakes 🇮🇳 India and 4 moreBlue perch Small Asian freshwater fish with blue finsPerch-like · Rivers and lakes 🇬🇧 United Kingdom and 1 moreSpined loach Small European freshwater fish with a defensive eye spineOther · Rivers and lakes Latin America and the CaribbeanCorydoras catfish Small armoured freshwater catfish from South AmericaCatfish · Rivers and lakes · 1803 Sub-Saharan AfricaMany-banded shell dweller Tiny cichlid from Lake Tanganyika that lives in snail shellsCichlid · Rivers and lakes 🇵🇪 Peru and 1 moreCockatoo dwarf cichlid Small South American cichlid with colourful malesCichlid · Rivers and lakes 🇬🇾 Guyana and 1 moreGlowlight tetra Small freshwater fish with a bright orange stripeOther · Rivers and lakes
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