Find the right inhabitants for your aquarium.
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Belontia signata
Belontia signata, also known as the Combtail Gourami, belongs to the family Osphronemidae. It is sometimes called the "Sri Lankan Fighting Fish" due to its aggressive nature. It is not suitable for a community tank; it…
Devario devario
The scientific name Devario devario is given to the Bengal Danio, a member of the Cyprinidae family. This interesting schooling fish, with its understated but original body pattern, is easy to keep and breed, provided…
Botia dario
Botia dario, also known as the Bengal Loach (scientific name Botia dario), belongs to the family Botiidae (Loaches). This fish is undemanding and easy to keep, coexisting well with many popular aquarium inhabitants. It…
Syncrossus berdmorei
Berdmore's Loach, also known as the Red-tailed Tiger Botia or Blyth's Loach (Syncrossus berdmorei, family Botiidae), is a striking fish that can truly adorn a freshwater aquarium with its original pattern. However, its…
Xiphophorus hellerii
The Berlin Swordtail, known in the English-speaking world as the Red Wagtail Swordtail, is an artificially bred variety. This hybrid, resulting from the crossbreeding of the common Green Swordtail (Xiphophorus hellerii)…
Betta albimarginata
Betta albimarginata, or the White-Seam Betta (scientific name Betta albimarginata), belongs to the family Osphronemidae. This miniature fish has a bright and attractive appearance, but these characteristics mainly apply…
Betta balunga
The scientific name Betta balunga refers to a fish known as Betta balunga or Balunga Betta, belonging to the family Osphronemidae. These fish are named after the region on the island of Borneo where they were first…
Betta burdigala
Betta burdigala, or Bordeaux Betta, belongs to the family Osphronemidae. A distinctive feature of this fish is its beautiful red coloration, which reminded French researchers of the noble color of the famous Bordeaux…
Betta edithae
The scientific name Betta edithae, or Betta Edith, or Edith's Fighting Fish, indicates its belonging to the Osphronemidae family. This fish was named in honor of the researcher Edith Korthaus, a naturalist who…
Betta enisae
Betta enisae, or as it is often called, the Energetic Betta, belongs to the family Osphronemidae, receiving its Russian name through adaptive translation from Latin. Despite this, one should not expect high mobility…
Betta falx
Betta falx, or Falx Betta, belongs to the family Osphronemidae. This fish, known by the scientific name Betta falx, is a representative of the fighting fish group, yet its calm disposition distinguishes it from its more…
Betta gladiator
The Betta gladiator fish, also known as the Gladiator Betta, bears the scientific name Betta gladiator and belongs to the family Osphronemidae. Its "fighting" name fully justifies the established perception of it, as…
Betta hendra
The scientific name Betta hendra was given to Hendra's Betta, or Betta hendra, within the family Osphronemidae. This species was named after the Indonesian naturalist Hendra Tommy, who first discovered it. This fish is…
Betta krataios
Betta krataios, or Krataios Betta, is classified as a member of the family Osphronemidae and bears the scientific name Betta krataios. This species belongs to the group of Fighting Fish, however, its temperament and…
Betta kuehnei
The scientific name Betta kuehnei, or Kuehne's Betta, belongs to the family Osphronemidae. This fish was named in honor of collector Jens Kuehne, whose efforts brought it widespread recognition among aquarists. It is…
Betta lehi
The scientific name Betta lehi belongs to the family Osphronemidae, named in honor of zoologist Charles Leh from the Sarawak Museum in Borneo. This peaceful fish, also known as Leh's Betta, coexists well with other…
Betta mandor
The Betta mandor fish, officially named Betta mandor by scientists, belongs to the family Osphronemidae. Before this species was scientifically described in 2006, it was nicknamed "Ninja Betta." This name was given due…
Betta midas
Betta midas, or Midas Betta (scientific name Betta midas), belongs to the Osphronemidae family. This fish owes its name to its remarkable golden coloration, which refers to the myth of the ancient Greek king Midas, who…
Betta ocellata
Betta ocellata belongs to the family Osphronemidae. Despite being easy to keep and breed, this fish has not become popular in the hobby because of its dull coloration and complex intraspecific behaviour.
Betta patoti
The scientific name Betta patoti is given to the Betta patoti fish, or Patoti Betta, which belongs to the family Osphronemidae. This fish is part of the fighting fish group, which explains its challenging temperament…
Betta persephone
The fish Betta persephone, or Persephone Betta, belonging to the family Osphronemidae, received its scientific name Betta persephone in honor of the ancient Greek goddess Persephone, Queen of the Underworld, which…
Betta pi
Betta pi, scientifically known as Betta pi, belongs to the family Osphronemidae. This species owes its unusual name to a pattern around its mouth that resembles the Greek letter π (Pi). This fish is considered quite…
Betta prima
Betta prima, also known as Betta prima, is a member of the family Osphronemidae. This peaceful and calm fish coexists well with other similarly sized species. Its care and breeding do not present any particular…
Betta renata
Betta renata, or Renata's Betta, belongs to the family Osphronemidae and received its scientific name. It is not the most vibrant representative of fighting fish, perhaps which is why it doesn't often attract the…
Betta simorum
Betta simorum, or Sima's Betta, is the name of this fish, which belongs to the family Osphronemidae. The species is named after Thomas Sim, the owner of Sindo Aquarium Pte. Ltd. (Jambi, Indonesia) and the first exporter…
Betta simplex
Betta simplex, or the simple Betta, belongs to the family Osphronemidae. Interestingly, despite its name and classification, this species has more in common with gouramis than with the so-called fighting fish. Its…
Betta uberis
Betta uberis, or Betta Ubera, is classified in the family Osphronemidae. This species of Betta fish is not recommended for beginner aquarists, as it requires maintaining very strict hydrochemical water parameters.
Betta unimaculata
Betta unimaculata, a member of the family Osphronemidae, is a fighting fish that fully lives up to its name. Males of this species display a temperamental character, often engaging in skirmishes over territory and…
Rhaphiodon vulpinus
The fish known as the Biara, or Chaparrin, with the scientific name Rhaphiodon vulpinus, belongs to the family Cynodontidae. This large predator is not suitable for beginner aquarists. It requires a very spacious…
Biotoecus opercularis
Biotoecus opercularis, known as the Biotoecus cichlid, belongs to the family Cichlidae and originates from South America. Its natural habitat extends across almost the entire Amazon River basin. For keeping in home…
Rhodeus amarus
The Bitterling fish, known scientifically as Rhodeus amarus, belongs to the Carp family (Cyprinidae). This representative of European aquatic fauna is found primarily in lakes and slow-moving rivers with abundant…
Poecilia sphenops
The Black and White Molly is a collective name for several selectively bred forms distinguished by their characteristic body colouring dominated by black and white tones. Examples of these forms include the Dalmatian…
Poecilia sphenops
The Black and Yellow Molly, also known as Gold Dust Molly, takes its names from English trade names: Gold and Black Molly Fish and Gold dust molly. These names refer to a colour form of Poecilia sphenops distinguished…
Betta imbellis
The scientific name Betta imbellis belongs to the family Osphronemidae, indicating its kinship with the Black Betta or Dwarf Betta. However, many colloquial names for the fish include “dwarf,” which is not entirely…
Apteronotus albifrons
The scientific name Apteronotus albifrons refers to the "Black Ghost Knifefish," also known as the "Black Knifefish" or "Black Ghost." It is a member of the family Apteronotidae. There is a curious, though unconfirmed,…
Poecilia reticulata
Black Monk Guppies, also known as Black Guppies, are a breed of Poecilia reticulata (Black strain) from the Poeciliidae family. One of the main features of this variety is the pronounced dark body coloration in males.…
Xenomystus nigri
The African knife fish, scientifically known as Xenomystus nigri, belongs to the Notopteridae family. This species is notably hardy and can coexist well with many aquarium inhabitants of appropriate size. For novice…
Labeo chrysophekadion
Labeo chrysophekadion, also known as the Black Labeo, belongs to the family Cyprinidae. Due to its impressive size and complex temperament, this species is quite demanding and not recommended for aquarium beginners.
Bagrichthys macracanthus
The Black Lancer Catfish, also known as the Javelin Catfish, bears the scientific name Bagrichthys macracanthus and belongs to the Bagridae family. Its name — “Lancer” — refers to the unusual, lance-like shape of its…
Poecilia sphenops
The black molly, often simply called Black Molly, is apparently a selectively bred colour variant of the common molly, Poecilia sphenops. Some experienced breeders argue instead that it descends from Poecilia latipinna.…
Carassius auratus
Among the varieties of Telescope Goldfish, the Black Moor stands out, known as the Black Moor Goldfish. This fish is easily recognized by its short, rounded or egg-shaped body and characteristic large eyes that…
Poecilocharax weitzmani
Poecilocharax weitzmani, also known as the Black Morpho Tetra or Weitzman's Pencilfish, belongs to the family Crenuchidae. It is rarely found in home aquariums due to its high level of care difficulty. This species is…
Hyphessobrycon herbertaxelrodi
Hyphessobrycon herbertaxelrodi, also known as the Black Neon Tetra, belongs to the family Acestrorhamphidae. This fish is characterized by its energetic nature and attractive appearance, especially due to the bright,…
Colossoma macropomum
Colossoma macropomum, more commonly known as Black Pacu or Tambaqui, is a member of the family Serrasalmidae. Although it belongs to the same category as popular aquarium inhabitants like Tetras and Neons, the striking…
Macropodus spechti
The Black Paradise Fish, scientifically known as Macropodus spechti, belongs to the family Osphronemidae. Previously, it was often referred to as the Macropodus concolor, considered a color variation of the classic…
Serrasalmus rhombeus
The Black Piranha (Serrasalmus rhombeus) belongs to the subfamily Serrasalminae. It is one of the most recognizable piranhas. Although its reputation as a fierce predator is somewhat exaggerated, it is rarely seen in…
Xiphophorus maculatus
In the trade, this cultivar is sold as Platy Black. It does not occur in nature but is an artificially developed colour variety of the common platy (Xiphophorus maculatus). Despite its name, the black colour, though…
Pethia nigrofasciata
Pethia nigrofasciata, also known as the Black Ruby Barb or Purplehead Barb, belongs to the family Cyprinidae. This fish is distinguished by its beauty and high level of activity. It is perfectly adapted to life in a…
Gymnocorymbus ternetzi
Gymnocorymbus ternetzi, more commonly known as the Long-finned Black Skirt Tetra, belongs to the Acestrorhamphidae family. This fish represents one of the morphological variations of the Black Skirt Tetra, distinguished…
Xiphophorus hellerii
The Black Swordtail, scientifically known as Xiphophorus hellerii (Black variety), belongs to the Poeciliidae family. This fish is distinguished by its uniform dark body coloration, which gives it its name. Under…
Gymnocorymbus ternetzi
The Black Tetra, also known as the Black Skirt Tetra or Black Widow Tetra, has the scientific name Gymnocorymbus ternetzi and belongs to the Acestrorhamphidae family. This fish is an excellent choice for beginner…
Corydoras leucomelas
Armored Catfish (Callichthyidae)
The Black-and-white Corydoras, also known as the Black-and-white Cory cat, scientifically named Corydoras leucomelas, belongs to the family of armored catfish, or Callichthyidae. Its name, derived from the Latin words…
Epiplatys dageti
The Epiplatys dageti, also known as the Black-jaw Panchax, belongs to the family Nothobranchiidae. This peaceful and elegant fish is a perfect fit for a community aquarium. They are moderately hardy and undemanding,…
Limia nigrofasciata
Limia nigrofasciata, also known as the blackbanded limia, is part of the Poeciliidae family. This fish is easy to keep and breed in an aquarium and coexists well with various species, making it an excellent choice for…
Enneacanthus chaetodon
Enneacanthus chaetodon, or the blackbanded sunfish, belongs to the family Centrarchidae, widely known as sunfishes. In English-speaking countries, it is called the Blackbanded sunfish.
Limia melanogaster
Limia melanogaster, known as the Blackbelly Limia, belongs to the family Poeciliidae. These fish are characterized by their undemanding nature, successful breeding, and good compatibility with various tank mates. Such…
Markiana nigripinnis
Markiana nigripinnis, also known as the Blackfin Markiana, is a member of the Stevardiidae family, which includes characin fish. Its native range is the subtropical regions of South America. These fish inhabit the…
Pygocentrus cariba
The Blackspot Piranha, scientifically known as Pygocentrus cariba, belongs to the Serrasalmidae family and is considered one of the most famous predators of river depths. Despite its widespread notoriety, few aquarists…
Megalamphodus erythrostigma
The Red-Spotted Tetra, also known as Rubrostigma or Ornate Red-Spotted Tetra (scientific name Megalamphodus erythrostigma), belongs to the Acestrorhamphidae family. This active, peaceful fish, distinguished by its…
Chilatherina bleheri
Rainbowfishes (Melanotaeniidae)
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…