Cold-water
Species in the catalogue: 163
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Egg-shaped Goldfish
Cyprinids (Cyprinidae)
Carassius auratus
This variety of Goldfish, known in the West as Egg-fish Goldfish, is called Maruko in Japan. The fish owes its name to a remarkable feature—its body shape, which resembles an egg. A distinctive characteristic is its…
Ehrhardt's Corydoras
Armored Catfish (Callichthyidae)
Corydoras ehrhardti
Ehrhardt's Corydoras, known by its scientific name Corydoras ehrhardti, is a member of the Armored Catfish or Callichthyidae family. The specific name honours Mr. W. Ehrhardt; the species itself was described in 1910 by…
Emerald Catfish
Armored Catfish (Callichthyidae)
Corydoras splendens
The Emerald Catfish, or Green Brochis (Corydoras splendens), earned its name from its stunning body coloration. Its scales shimmer from metallic blue to rich emerald green, changing hues depending on the light.
Emerald Danio
Cyprinids (Cyprinidae)
Danio erythromicron
The Emerald Danio, known to the scientific community as Danio erythromicron, belongs to the family Cyprinidae. Previously, it was mistakenly called the Emerald Microrasbora or Microrasbora erythromicron. However,…
Enteromius candens
Cyprinids (Cyprinidae)
Enteromius candens
The Rosy Barb, also known by its scientific name Enteromius candens, belongs to the family Cyprinidae. These fish are deservedly valued for their peaceful nature and distinctive body pattern, as well as for their ease…
False Black Tetra
Acestrorhamphidae
Gymnocorymbus thayeri
The False Black Tetra, also known as the Blue-spotted Gymnocorymbus (scientific name Gymnocorymbus thayeri), belongs to the Acestrorhamphidae family. It was named in honor of the patron N. Thayer, who supported a…
Fantail Goldfish
Cyprinids (Cyprinidae)
Carassius auratus
Among the decorative species of aquarium fish, Fantail Goldfish and their Japanese counterparts, Ryukin, hold a special place. These fish are specifically bred for various exhibitions, showcasing their unique beauty.…
Formosa
Poeciliidae
Heterandria formosa
Formosa, scientifically known as Heterandria formosa, belongs to the family Poeciliidae. This fish is striking for its miniature size and grace, reaching a modest 3 cm in length. In addition to its size, it is…
Formosa Loach
River Loaches (Balitoridae)
Hemimyzon formosanus
The Formosa Loach, scientifically known as Hemimyzon formosanus, belongs to the family Balitoridae, which includes river loaches. This fish may not immediately captivate with its appearance, but it is primarily valued…
Gambusia
Poeciliidae
Gambusia holbrooki
Gambusia, also known as the Mosquito fish, bears the scientific name Gambusia holbrooki and is a member of the Poeciliidae family. This lively and very active fish is renowned for its hardiness. It easily adapts to…
Gar
Gars (Lepisosteidae)
Lepisosteidae
The family Lepisosteidae unites several closely related species, collectively known as Gars. These fish are rightly considered among the most ancient inhabitants of freshwaters, having survived practically in their…
Gastromyzon cornusaccus
River Loaches (Balitoridae)
Gastromyzon cornusaccus
Gastromyzon cornusaccus, also known by its scientific name Gastromyzon cornusaccus, belongs to the family Balitoridae, or river loaches. It is quite rare in the aquarium trade, and its primary distribution area is among…
Gastromyzon ctenocephalus
River Loaches (Balitoridae)
Gastromyzon ctenocephalus
Gastromyzon ctenocephalus, also known as the Gastromyzon ctenocephalus, belongs to the family Balitoridae, which includes river loaches. This fish is endemic to the island of Borneo, or Kalimantan, and is found…
Gastromyzon farragus
River Loaches (Balitoridae)
Gastromyzon farragus
Among the representatives of the genus Gastromyzon, Gastromyzon farragus — such is its scientific name — is one of the most common species in the aquarium trade. This fish, belonging to the family Balitoridae (river…
Gastromyzon lepidogaster
River Loaches (Balitoridae)
Gastromyzon lepidogaster
Gastromyzon lepidogaster, known scientifically as Gastromyzon lepidogaster, is a representative of the Balitoridae family, or River loaches. This species is endemic to the northern part of Borneo Island, located in…
Gastromyzon monticola
River Loaches (Balitoridae)
Gastromyzon monticola
Gastromyzon monticola, known as the Gastromyzon monticola, is a representative of the Balitoridae family (River Loaches). This species is endemic to the island of Borneo, also known as Kalimantan. Its natural habitat is…
Gastromyzon ocellatus
River Loaches (Balitoridae)
Gastromyzon ocellatus
Gastromyzon ocellatus is an aquarium inhabitant from the family Balitoridae, also known as River Loaches. Its natural habitat is strictly limited to the island of Borneo: in the wild, it is found only in the Sarawak…
Gastromyzon scitulus
River Loaches (Balitoridae)
Gastromyzon scitulus
Gastromyzon scitulus, also known as the Gastromyzon scitulus, belongs to the family Balitoridae, which includes river loaches. This fish is endemic to the island of Borneo, its natural range being limited to tributaries…
Gastromyzon stellatus
River Loaches (Balitoridae)
Gastromyzon stellatus
Endemic to the island of Borneo, Gastromyzon stellatus is known from the Sarawak, Sadong and Lupar river drainages in the south of the Malaysian state of Sarawak, in the north-west of the island. This species belongs to…
Gastromyzon viriosus
River Loaches (Balitoridae)
Gastromyzon viriosus
Gastromyzon viriosus, scientifically known as Gastromyzon viriosus, belongs to the family Balitoridae. It is worth noting that this species is not frequently found in pet stores, usually appearing for sale alongside…
Giant Danio
Cyprinids (Cyprinidae)
Devario aequipinnatus
Devario aequipinnatus, known as the Giant Danio, is a member of the Cyprinidae family. This name accurately reflects its characteristic: this species is indeed larger than its other relatives. Thanks to its exceptional…
Gladys's Corydoras
Armored Catfish (Callichthyidae)
Corydoras gladysae
Gladys's Corydoras, scientifically known as Corydoras gladysae, is a member of the family Callichthyidae, which includes armored or callichthyid catfishes. The species is named after ichthyologist Gladys Ana María…
Gold Danio
Cyprinids (Cyprinidae)
Danio rerio
A representative of the Cyprinidae family, known as the Gold Danio, bearing the scientific name Danio rerio, is similar in appearance and behavior to its brethren, with the exception of one important feature – its…
Golden Barb
Cyprinids (Cyprinidae)
Barbodes semifasciolatus
The Golden Barb, scientific name Barbodes semifasciolatus, belongs to the family Cyprinidae. It is one of the most sought-after fishes in freshwater aquaria. Its golden colouration is the result of an artificial…
Golden Dwarf Barb
Cyprinids (Cyprinidae)
Pethia aurea
The small Golden Barb, scientifically known as Pethia aurea, belongs to the family Cyprinidae. This peaceful, undemanding, small-sized fish can be a wonderful addition to any small aquarium. Its care and breeding do not…
Golden Pleco
Armored Catfishes (Loricariidae)
Hypostomus luteus
The Golden Pleco, scientifically known as Hypostomus luteus, belongs to the family Loricariidae, also called Armored Catfishes. The natural habitat of this catfish is the waters of the South American continent. It can…
Golden Pterolebias
Rivulidae
Pterolebias longipinnis
Pterolebias longipinnis, known as the Golden Pterolebias, belongs to the family Rivulidae. These fish are rarely found outside their natural habitat. The reason for this is their very short lifespan, usually not…
Goldfish
Cyprinids (Cyprinidae)
Carassius auratus
Carassius auratus, or the common Goldfish, belongs to the family Cyprinidae. This fish is undoubtedly one of the most well-known and widespread aquarium inhabitants today. Its outstanding popularity is explained not…
Gongota Loach
Cobitidae (Loaches)
Canthophrys gongota
The Gongota Loach, scientifically known as Canthophrys gongota, belongs to the family Cobitidae, or true loaches. This species inhabits natural waters of Nepal, northern India, and Bangladesh, where it populates the…
Goonch
Sisoridae (Asian hillstream catfishes)
Bagarius bagarius
The Goonch, scientifically known as Bagarius bagarius, belongs to the family Sisoridae, or Asian hillstream catfishes. This species, distinguished by its impressive size and high maintenance costs, does not coexist well…
Inle Danio
Cyprinids (Cyprinidae)
Devario auropurpureus
The Inle Danio, scientifically known as Devario auropurpureus, is classified within the Cyprinidae family. This fish gets its name from Lake Inle, where the majority of its population resides. It is easy to keep,…
Jae Barb
Cyprinids (Cyprinidae)
Enteromius jae
The Jae Barb, also known by its scientific name Enteromius jae, belongs to the family Cyprinidae. This miniature and picturesque fish can become a true gem in a nano aquarium. Its care and breeding are straightforward,…
Jaguar Catfish
Driftwood Catfishes (Auchenipteridae)
Liosomadoras oncinus
Liosomadoras oncinus is the scientific name for the Jaguar Catfish, a member of the Auchenipteridae family, or Wood Catfishes. These fish originate from South America, inhabiting the Branco River basin, which is a…
Jaintia Danio
Cyprinids (Cyprinidae)
Danio jaintianensis
The Jaintia Danio, scientifically known as Danio jaintianensis, belongs to the family Cyprinidae. The fish is named after the Jaintia Hills, where it was first discovered. Although this species is not frequently…
Japanese Loach
Cobitidae (Loaches)
Niwaella delicata
The Japanese Loach, scientifically known as Niwaella delicata, belongs to the family Cobitidae (Loaches). This fish is valued not only by aquarists but also as a commercial catch. It is most commonly found in Japan,…
Japanese Ricefish
Adrianichthyidae
Oryzias latipes
The Japanese Ricefish, scientifically known as Oryzias latipes, is a species belonging to the family Adrianichthyidae. This small and graceful fish has enjoyed consistent popularity in Southeast Asia for many centuries,…
Jikin
Cyprinids (Cyprinidae)
Carassius auratus
Among the many varieties of Goldfish, the Jikin is the rarest. It is almost impossible to find in amateur aquariums, as its distribution has been significantly restricted since 1958, when it was listed as a protected…
Lamotte's Epiplatys
Nothobranchiidae
Epiplatys lamottei
The Red-spotted Panchax, also known as Lamotte's Epiplatys (Epiplatys lamottei), belongs to the family Nothobranchiidae. Thanks to its original and remarkably colorful pattern, which is not often found among freshwater…
Largesail Corydoras
Armored Catfish (Callichthyidae)
Scleromystax macropterus
The Largesail Corydoras, scientifically known as Scleromystax macropterus, belongs to the family Callichthyidae. This fish gets its name from its fins, which are noticeably larger than those of closely related species.
Leopard Danio
Cyprinids (Cyprinidae)
Danio rerio
The Leopard Danio, known scientifically as Danio rerio, belongs to the family Cyprinidae. This easily recognizable and vibrant fish is considered one of the most popular varieties of Danio rerio. It is not found in the…
Lina's Loach
River Loaches (Balitoridae)
Liniparhomaloptera disparis
Liniparhomaloptera disparis, also known as Lina's Loach, belongs to the family Balitoridae, or river loaches. It was named after Shu-Yen Lin, a renowned Chinese ichthyologist. The natural habitat of this species covers…
Lionhead Goldfish
Cyprinids (Cyprinidae)
Carassius auratus
The Lionhead Goldfish attracts attention due to the unique growths forming a mane-like structure on its head. These growths are individual to each fish, and their presence is not a strict rule. Some individuals may…
London Shubunkin
Cyprinids (Cyprinidae)
Carassius auratus
London Shubunkin is the trade name for this variety of fish. It originated from selective breeding between the common Goldfish and a short-tailed form of Shubunkin. A notable distinguishing feature of this breed is…
Madagascar Panchax
Aplocheilidae
Pachypanchax sakaramyi
The Madagascar Panchax, also known by its scientific name Pachypanchax sakaramyi, belongs to the family Aplocheilidae. This killifish is remarkably popular among aquarists, despite its critically low numbers in the…
Maharashtra Barb
Cyprinids (Cyprinidae)
Puntius sahyadriensis
Puntius sahyadriensis, or Maharashtra Barb, is a member of the Cyprinidae family. Among various barb species, it stands out with its distinctive angular body shape, making it easily recognizable. This species is easy to…
Mahecola Barb
Cyprinids (Cyprinidae)
Puntius mahecola
The fish known as Mahecola Barb (scientific name Puntius mahecola) is classified within the family Cyprinidae. It is very popular in Asian countries, especially India, but outside of this region, in Europe and America,…
Microrasbora rubescens
Cyprinids (Cyprinidae)
Microrasbora rubescens
Microrasbora rubescens, also known as the Red Dwarf Rasbora, with the scientific name Microrasbora rubescens, belongs to the family Cyprinidae. Despite its common name, this fish is not actually a Rasbora. The…
Mimagoniates barberi
Stevardiidae
Mimagoniates barberi
Mimagoniates barberi, scientifically known as Mimagoniates barberi, belongs to the family Stevardiidae. These fish are agile and active, and their coloration is notable for beautiful blue hues. They will be an excellent…
Myers's Hillstream Loach
River Loaches (Balitoridae)
Pseudogastromyzon myersi
Myers's Hillstream Loach (Pseudogastromyzon myersi) belongs to the family Balitoridae, also known as river loaches. This fish is considered one of the most undemanding species for keeping in an aquarium environment that…
Nan River Gastromyzon
River Loaches (Balitoridae)
Hemimyzon nanensis
Hemimyzon nanensis, known as the Nan River Gastromyzon, belongs to the family Balitoridae. This fish is native to Southeast Asia, specifically Thailand, which is part of the Indochina region. It was first discovered in…
Nankin
Cyprinids (Cyprinidae)
Carassius auratus
This interesting variety of goldfish came into being between 1748 and 1750, having been bred in the Japanese Izumo region, now known as Shimane Prefecture. Curiously, despite its Japanese origin, the fish's name has…
Narrow-headed Catfish
Armored Catfishes (Loricariidae)
Pseudohemiodon laticeps
Pseudohemiodon laticeps, known as the Narrow-headed Catfish, is a member of the armored catfish family (Loricariidae). Its unusual appearance combined with its unpretentious nature makes this catfish highly desirable…
Nothobranchius eggersi
Nothobranchiidae
Nothobranchius eggersi
Nothobranchius eggersi, scientifically known as Nothobranchius eggersi, belongs to the family Nothobranchiidae. A distinctive feature is its life cycle, which in natural conditions is only one year. During this short…
Nothobranchius foerschi
Nothobranchiidae
Nothobranchius foerschi
Nothobranchius foerschi, or Foersch's Nothobranch, belongs to the family Nothobranchiidae. This small African fish attracts attention with its beauty, but one of its characteristics is an extremely limited lifespan. In…
Nothobranchius palmqvisti
Nothobranchiidae
Nothobranchius palmqvisti
The fish Nothobranchius palmqvisti, known scientifically as Nothobranchius palmqvisti, is a member of the family Nothobranchiidae, which includes African rivulines, or Nothobranchius. It is named in honor of G.…
Nothobranchius rachovii
Nothobranchiidae
Nothobranchius rachovii
Nothobranchius rachovii, more commonly known as Rachow's Nothobranch, is a member of the family Nothobranchiidae. This fish attracts with its bright and beautiful appearance, displaying one of the most colorful guises…
Opsarius dogarsinghi
Cyprinids (Cyprinidae)
Opsarius dogarsinghi
The fish, known by the scientific name Opsarius dogarsinghi, or Dogarsingh's Baril, belongs to the Carp family (Cyprinidae). It received its name in honour of Sardar Dogar Singh, State Overseer of Manipur, India, who…
Oranda
Cyprinids (Cyprinidae)
Carassius auratus
The Oranda, also known as the Oranda Goldfish in English-speaking countries, is a very attractive and distinctive fish. Its distinguishing feature is a large head growth, resembling a cap. This growth, which usually…
Oryzias eversi
Adrianichthyidae
Oryzias eversi
Belonging to the family Adrianichthyidae, Oryzias eversi is a modest-sized but very active fish. Its ease of keeping and breeding, as well as its ability to coexist peacefully with many other species, make it an…
Otocinclus negros
Armored Catfishes (Loricariidae)
Otothyropsis piribebuy
Otothyropsis piribebuy, known as Otocinclus negros (formerly Otocinclus sp. "Negros"), belongs to the family Loricariidae, which includes armored catfishes. The native habitat of this small catfish is the waters of…