Find the right inhabitants for your aquarium.
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Astyanax mexicanus
The Mexican Tetra, also known as the Blind Cave Tetra (scientific name Astyanax mexicanus), belongs to the family Acestrorhamphidae. Despite its unusual appearance and very specific habitat conditions, this fish is very…
Corydoras blochi
Armored Catfish (Callichthyidae)
The fish, scientifically known as Corydoras blochi, belongs to the armored catfish family (Callichthyidae). Its natural range covers many river systems in South America, including the vast Amazon River basin. Bloch's…
Amphilophus citrinellus × Vieja melanurus
The Blood Parrot Cichlid, known in English-speaking circles as the "Blood Parrot," is an artificially bred form resulting from the cross-breeding of several Central American cichlid species. Its unusual appearance is…
Poecilia sphenops
The Blood Red Molly, often called Blood Red Molly in English-speaking countries, is a vibrant color variation developed through selective breeding of certain Molly species. Its distinguishing feature is its intense red…
Andinoacara pulcher
The Blue Acara, also known as the Electric Blue Acara, or by its scientific name Andinoacara pulcher, belongs to the Cichlidae family. Maintaining its popularity among aquarists for many years, this species attracts…
Baryancistrus beggini
Armored Catfishes (Loricariidae)
The Blue Baryancistrus, also known as the Blue or Heavy Ancistrus (scientific name Baryancistrus beggini), belongs to the family Loricariidae. Its name, Baryancistrus, comes from the Greek word βαρύς (Barys), meaning…
Yasuhikotakia modesta
The blue botia, or Blue Botia (Yasuhikotakia modesta), belongs to the family Botiidae and is also known as the red-tailed botia. This peaceful fish reaches a moderate size and is simple to keep, making it a good choice…
Corydoras nattereri
Armored Catfish (Callichthyidae)
Natterer's Corydoras, also known as the Blue Cory, belongs to the family Callichthyidae (Armored Catfish) under the scientific name Corydoras nattereri. Its homeland is South America, where its natural habitat spans the…
Danio rerio
The Blue Danio, known by its scientific name Danio rerio, belongs to the carp family (Cyprinidae). This variation of the classic Danio rerio stands out for its silvery-blue coloration, consisting of numerous small…
Alestopetersius smykalai
Alestopetersius smykalai, known as the Blue Diamond Tetra, belongs to the family Alestidae (African Tetras). This species is rarely found in home aquariums. In their natural habitat, they have practically disappeared,…
Cyrtocara moorii
Cyrtocara moorii, also known as the Blue Dolphin Cichlid, belongs to the Cichlidae family. The fish gets its name from its distinctive head shape: the presence of a nuchal hump and an elongated mouth give it a…
Trichogaster lalius
The Blue Dwarf Gourami, scientifically known as Trichogaster lalius, belongs to the family Osphronemidae. This beautiful miniature fish is an artificially bred variety of the common Dwarf Gourami. It stands out for its…
Kryptopterus cryptopterus
The Blue Glass Catfish, also known as the Smoky Glass Catfish (scientific name Kryptopterus cryptopterus), belongs to the family Siluridae. Despite being a miniature predator, it is undemanding to keep and gets along…
Paragoniates alburnus
Belonging to the family Characidae, the fish known as Paragoniates alburnus or Blue Glass Tetra is scientifically named Paragoniates alburnus. Its natural range covers territories in Brazil, Colombia, Bolivia, Ecuador,…
Trichopodus trichopterus
Trichopodus trichopterus, known as the Blue Gourami, belongs to the family Osphronemidae. This particular variety is a direct descendant of wild specimens of the species, although many artificially bred color variations…
Fundulopanchax sjostedti
The Blue Gularis Killifish, scientifically known as Fundulopanchax sjostedti, belongs to the family Nothobranchiidae. Previously, this species was classified under the genus Aphyosemion. It can be found for sale under…
Poecilia reticulata
Blue Guppies, known scientifically as Poecilia reticulata (Blue variety), belong to the Poeciliidae family. This name is a generalization and encompasses various breeds where blue is the dominant color. It is mainly…
Neolamprologus tretocephalus
Neolamprologus tretocephalus, also known as the Blue Lamprologus or Five-striped Zebra Cichlid, belongs to the Cichlidae family. Despite its vibrant coloration, activity, and relative ease of keeping, the fish exhibits…
Chindongo socolofi
The fish known as Pseudotropheus socolofi or Blue Pindani is officially named Chindongo socolofi and belongs to the extensive Cichlidae family. Before the classification revision in 2016, its common name was…
Xiphophorus maculatus
The blue platy is a selectively bred form of Xiphophorus maculatus that does not occur in nature. It is sold under trade names such as Platy Blue, Blue Moon Platy, and Platy Neon Blue. Its defining feature is the blue…
Mimagoniates microlepis
A representative of the Stevardiidae family, Mimagoniates microlepis, also known as the Blue Tetra. This beautiful schooling species has the unique ability to produce sounds, which are most likely used to attract a mate…
Maylandia callainos
Maylandia callainos, the Blue Zebra, is a cichlid belonging to the family Cichlidae. Formerly classified in the genera Pseudotropheus and Metriaclima, it is one of the Malawi cichlids in the Mbuna group, known for their…
Oxydoras niger
Oxydoras niger, also known as the Black Thorny Catfish or Blue-Eyed Catfish, belongs to the family Doradidae. This fish is a unique “gentle giant”: it is characterized by impressive size and a peaceful disposition.…
Pseudomugil cyanodorsalis
Pseudomugil cyanodorsalis, commonly known as the Blue-eyed Neon, belongs to the family Pseudomugilidae. This unique tropical fish shows remarkable adaptability and can even be kept in brackish or marine aquariums,…
Panaque suttonorum
Armored Catfishes (Loricariidae)
Panaque suttonorum, also known as the Blue-Eyed Panaque or Sutton's Panaque, belongs to the Loricariidae family, which includes armored catfish. In Venezuela and other South American countries, the word "panaque" is…
Platydoras hancockii
Platydoras hancockii, also known as the Blue-eyed Platydoras, is a member of the Doradidae family, or Thorny Catfishes. This species of catfish originates from the vast waters of South America, where it can be found…
Priapella intermedia
Priapella intermedia, or the Blue-eyed Priapella, belongs to the family Poeciliidae, according to its scientific name. Its unpretentiousness in care and breeding makes this fish an excellent choice for those just…
Laubuka caeruleostigmata
Laubuka caeruleostigmata, also known as the blue-spotted chela, is a member of the carp family (Cyprinidae). This species originates from extensive regions of Southeast Asia, where it inhabits the Mekong and Chao Phraya…
Laimosemion xiphidius
The Blue-striped Rivulus, scientifically known as Laimosemion xiphidius (formerly Rivulus xiphidius), is a member of the Rivulidae family. Its natural habitat is located in South America, specifically in the Oyapock…
Nyassachromis boadzulu
The fish, known scientifically as Nyassachromis boadzulu, is a member of the Cichlidae family, or Cichlids. Previously, the species was designated as Haplochromis boadzulu, hence the frequently used prefix…
Corydoras boesemani
Armored Catfish (Callichthyidae)
Boeseman's Corydoras, scientifically known as Corydoras boesemani, belongs to the family Callichthyidae, which includes armored or callichthyid catfishes. This fish is named in honor of Dr. Marcus Boeseman, as he…
Melanotaenia boesemani
Rainbowfishes (Melanotaeniidae)
Boeseman's Rainbowfish belongs to the family Melanotaeniidae (Melanotaenia boesemani). This species appeared in the hobby relatively recently but has quickly become popular.
Corydoras geryi
Armored Catfish (Callichthyidae)
The Bolivian Corydoras, scientifically known as Corydoras geryi, belongs to the family Callichthyidae (armoured catfishes). This species comes from South America, with its natural range centred in the Mamoré River…
Mikrogeophagus altispinosus
The Mikrogeophagus altispinosus, or Bolivian Ram (scientific name Mikrogeophagus altispinosus), is a member of the Cichlidae family. This attractive and colorful fish coexists well with other South American freshwater…
Corydoras bondi
Armored Catfish (Callichthyidae)
The scientific name Corydoras bondi refers to Bond's Corydoras, a species belonging to the family Callichthyidae, commonly known as armored or callichthyid catfishes. This catfish was named in honor of Dr. Franklin…
Boraras merah
Boraras merah belongs to the family Cyprinidae. The name comes from the Indonesian word for red, which describes the fish's predominant colour. This species ranks among the tiniest aquarium fish. It is easy to keep and…
Boraras micros
Boraras micros, also known as the Dwarf Rasbora, belongs to the family Cyprinidae. Despite its rather modest coloration, which makes this species not the most sought-after among aquarists, these fish are quite capable…
Boraras naevus
Boraras naevus, also known as the Strawberry Rasbora (scientific name Boraras naevus), belongs to the family Cyprinidae. These fish are among the most miniature aquarium inhabitants. They are undemanding to care for and…
Carinotetraodon borneensis
The Bornean Pufferfish, known to specialists as Carinotetraodon borneensis, belongs to the family Tetraodontidae, or Pufferfish. It is less common in the aquarium fish market than, for example, its more widespread…
Betta taeniata
The Striped Betta, also known as the Borneo Betta, bears the scientific name Betta taeniata and belongs to the family Osphronemidae. Despite being classified within the Betta group, their behavior is completely at odds…
Sinibotia pulchra
Botia pulchra, or Golden Zebra Loach (scientific name Sinibotia pulchra), belongs to the family Botiidae (Loaches). This fish is characterized by its peaceful nature and undemanding care requirements, making it an…
Amia calva
The mudfish, Amia or Bowfin, scientific name Amia calva, belongs to the family Amiidae. It is rarely chosen by hobbyists, partly because of its size and the need for large, often expensive aquariums. The species is a…
Brachygobius xanthomelas
The fish Brachygobius xanthomelas, known as the Brachygobius goby, belongs to the family Gobiidae (Gobies). Its native habitat is Southeast Asia, specifically the marshy waters in southern Thailand and Malaysia, located…
Brachyrhamdia marthae
Heptapterid catfishes (Heptapteridae)
Brachyrhamdia marthae belongs to the family Heptapteridae. It comes from South American waters, particularly the Madeira River basin, which is a tributary of the Amazon.
Micropoecilia branneri
The scientific name Micropoecilia branneri belongs to the species Branner's Micropoecilia, which is part of the Poeciliidae family. This fish originates from South America, where it can be found widely in various…
Semaprochilodus insignis
Prochilodontids (Prochilodontidae)
The Many-Barred Semaprochilodus, also known as the Brazilian Haraki (scientific name Semaprochilodus insignis), belongs to the family Prochilodontidae. In its natural habitat, this species is widely distributed across…
Nomorhamphus brembachi
Nomorhamphus brembachi, or Brembach's Halfbeak, belongs to the family Zenarchopteridae. This fish is not often found in hobbyists' aquariums, which is due to its modest coloration. Sometimes it appears for sale along…
Bathyaethiops breuseghemi
Breuseghem's Tetra, scientifically known as Bathyaethiops breuseghemi, is a member of the family Alestidae, or African Tetras. Its homeland is the African continent, where it is found in the middle Congo River basin, in…
Boraras brigittae
The Brigittae Rasbora, scientifically known as Boraras brigittae, belongs to the carp family (Cyprinidae). It was named after the wife of the researcher who first described this species. Given its unpretentiousness and…
Rasbora einthovenii
Rasbora einthovenii, known as the Brilliant Rasbora, belongs to the family Cyprinidae. This active schooling fish can be successfully kept under specific conditions, but overall it is quite undemanding and easy to breed.
Ancistrus cirrhosus
Armored Catfishes (Loricariidae)
The Dark Ancistrus, also known as the Bristlenose Pleco (Ancistrus cirrhosus), possesses a rather unusual appearance that might remind one of something shaggy. This fish can remain motionless for long periods, which,…
Carassius auratus
The Bristol Shubunkin, known by its English trade name, is an artificially bred ornamental goldfish variety. Although specialists from Japan and China have traditionally been considered the leading goldfish breeders for…
Clarotes laticeps
Clarotes laticeps, also known as the Broadhead Catfish, is a member of the family Claroteidae. These fish are native to Africa, where they can be found in almost all large river systems across the continent.
Pterygoplichthys gibbiceps
Armored Catfishes (Loricariidae)
The Leopard or Brocade Catfish, often colloquially known as Pterygoplichthys, belongs to the Loricariidae family and is scientifically named Pterygoplichthys gibbiceps. This species has gained widespread popularity and…
Corydoras britskii
Armored Catfish (Callichthyidae)
Brochis britskii, also known as the Giant Corydoras or Giant Emerald Catfish, bears the scientific name Corydoras britskii and belongs to the family Callichthyidae, or Armored Catfish. It was named in honour of the…
Corydoras multiradiatus
Armored Catfish (Callichthyidae)
Brochis multiradiatus, also known as the Long-finned Corydoras (scientific name Corydoras multiradiatus), is a member of the Callichthyidae family. The second part of its scientific name comes from the Latin words…
Corydoras aeneus
Armored Catfish (Callichthyidae)
The Bronze Corydoras, also known by its scientific name Corydoras aeneus, is a member of the armored catfish family (Callichthyidae). This species is among the most popular and readily available aquarium fish. Its…
Formosania lacustris
Formosania lacustris, also known as the Brushmouth Loach, belongs to the family Balitoridae, known as river loaches. The fish owes its name to its body structure: it is elongated and slender, but has a rather large…
Brycon hilarii
Brycon hilarii, known scientifically as Brycon hilarii, belongs to the family Bryconidae. This rather large fish can reach impressive sizes – over 60 cm in length and a weight exceeding 3 kg. For its successful keeping,…
Carassius auratus
Among the variety of Goldfish, Bubble Eye Goldfish stand out with their unique appearance. Their distinctive feature is two water-filled sacs located directly beneath their eyes. These characteristic formations begin to…