Fishes
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Bleher's Rainbowfish
Rainbowfishes (Melanotaeniidae)
Chilatherina bleheri
Bleher's Rainbowfish, scientifically known as Chilatherina bleheri, belongs to the family Melanotaeniidae. Its first specimens were collected in 1982 by the famous naturalist Heiko Bleher. At that time, these fish were…
Blind Cave Tetra
Acestrorhamphidae
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…
Bloch's Corydoras
Armored Catfish (Callichthyidae)
Corydoras blochi
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…
Blood Parrot Cichlid
Cichlids (Cichlidae)
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…
Blood Red Molly
Poeciliidae
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…
Blue Acara
Cichlids (Cichlidae)
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…
Blue Baryancistrus
Armored Catfishes (Loricariidae)
Baryancistrus beggini
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…
Blue Botia
Botiidae
Yasuhikotakia modesta
The Modesta Loach, or Blue Botia (scientific name Yasuhikotakia modesta), belongs to the family Botiidae and is also known as the Red-tailed Botia. This peaceful fish reaches a medium size and is easy to care for,…
Blue Cory
Armored Catfish (Callichthyidae)
Corydoras nattereri
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…
Blue Danio
Cyprinids (Cyprinidae)
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…
Blue Diamond Tetra
African Tetras (Alestidae)
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,…
Blue Dolphin Cichlid
Cichlids (Cichlidae)
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…
Blue Dwarf Gourami
Osphronemidae
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…
Blue Glass Catfish
Sheatfishes (Siluridae)
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…
Blue Glass Tetra
Characidae
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,…
Blue Gourami
Osphronemidae
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…
Blue Gularis Killifish
Nothobranchiidae
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…
Blue Guppies
Poeciliidae
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…
Blue Lamprologus
Cichlids (Cichlidae)
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…
Blue Pindani
Cichlids (Cichlidae)
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…
Blue Platy
Poeciliidae
Xiphophorus maculatus
The Blue Platy, also known by the commercial English names Platy Blue, Blue Moon Platy, and Platy Neon Blue, is a selectively bred form of the common Platy and does not exist in the wild. Its main distinguishing feature…
Blue Tetra
Stevardiidae
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…
Blue Zebra
Cichlids (Cichlidae)
Maylandia callainos
Maylandia callainos, known as the Blue Zebra, belongs to the family Cichlidae. Previously, this species was classified in the genera Pseudotropheus and Metriaclima. It is one of the Malawian cichlids of the Mbuna group,…
Blue-Eyed Catfish
Doradidae (Thorny Catfishes)
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.…
Blue-eyed Neon
Pseudomugilidae
Pseudomugil cyanodorsalis
The Blue-eyed Neon (scientific name Pseudomugil cyanodorsalis), also known as the Blue-backed Pseudomugil, belongs to the family Pseudomugilidae. This unique tropical fish exhibits remarkable adaptability, allowing it…
Blue-Eyed Panaque
Armored Catfishes (Loricariidae)
Panaque suttonorum
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…
Blue-eyed Platydoras
Doradidae (Thorny Catfishes)
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…
Blue-eyed Priapella
Poeciliidae
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…
Blue-spotted Chela
Cyprinids (Cyprinidae)
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…
Blue-striped Rivulus
Rivulidae
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…
Boadzulu
Cichlids (Cichlidae)
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…
Boeseman's Corydoras
Armored Catfish (Callichthyidae)
Corydoras boesemani
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…
Boeseman's Rainbowfish
Rainbowfishes (Melanotaeniidae)
Melanotaenia boesemani
Melanotaenia boesemani, also known as Boeseman's Rainbowfish, is a member of the family Melanotaeniidae. This species has relatively recently appeared in the aquarium hobby but has already gained significant popularity.
Bolivian Corydoras
Armored Catfish (Callichthyidae)
Corydoras geryi
The Bolivian Corydoras, scientifically known as Corydoras geryi, belongs to the family Callichthyidae (Armored Catfishes). This fish originates from South America, with its natural habitat concentrated in the Mamoré…
Bolivian Ram
Cichlids (Cichlidae)
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…
Bond's Corydoras
Armored Catfish (Callichthyidae)
Corydoras bondi
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
Cyprinids (Cyprinidae)
Boraras merah
Boraras merah, known scientifically as Boraras merah, belongs to the family Cyprinidae. Its name directly indicates the predominant hue in its coloration, as “merah” in Indonesian means “red.” This fish is rightly…
Boraras micros
Cyprinids (Cyprinidae)
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
Cyprinids (Cyprinidae)
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…
Bornean Pufferfish
Pufferfish (Tetraodontidae)
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…
Borneo Betta
Osphronemidae
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…
Botia pulchra
Botiidae
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…
Brachygobius Goby
Gobiidae
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
Brachyrhamdia marthae, known as Martha's Brachyrhamdia, belongs to the family Heptapteridae (Heptapterid catfishes). Its homeland is the waters of South America, specifically the Madeira River basin, which is one of the…
Branner's Micropoecilia
Poeciliidae
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…
Brazilian Haraki
Prochilodontids (Prochilodontidae)
Semaprochilodus insignis
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…
Brembach's Halfbeak
Halfbeaks (Zenarchopteridae)
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…
Breuseghem's Tetra
African Tetras (Alestidae)
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…
Brigittae Rasbora
Cyprinids (Cyprinidae)
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…
Brilliant Rasbora
Cyprinids (Cyprinidae)
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.
Bristlenose Pleco
Armored Catfishes (Loricariidae)
Ancistrus cirrhosus
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,…
Bristol Shubunkin
Cyprinids (Cyprinidae)
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…
Broadhead Catfish
Claroteidae
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.
Brocade Catfish
Armored Catfishes (Loricariidae)
Pterygoplichthys gibbiceps
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…
Brochis britskii
Armored Catfish (Callichthyidae)
Corydoras britskii
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…
Brochis multiradiatus
Armored Catfish (Callichthyidae)
Corydoras multiradiatus
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…
Bronze Corydoras
Armored Catfish (Callichthyidae)
Corydoras aeneus
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…
Brushmouth Loach
River Loaches (Balitoridae)
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
Bryconidae
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,…
Bubble Eye Goldfish
Cyprinids (Cyprinidae)
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…