Fishes

Find the right inhabitants for your aquarium.

Page 17 of 21

  • Red Zebra Cichlid

    Red Zebra Cichlid

    Maylandia estherae

    Cichlids (Cichlidae)

    The Red Zebra Cichlid, scientifically known as Maylandia estherae (formerly Pseudotropheus estherae), belongs to the Cichlidae family. This vibrant, beautiful, and active fish exhibits interesting behavior. It can be a…

  • Red-bellied Pacu

    Red-bellied Pacu

    Piaractus brachypomus

    Piranhas (Serrasalmidae)

    The Red-bellied Pacu, scientifically known as Piaractus brachypomus, belongs to the subfamily Serrasalminae. This fish rarely becomes a resident of home aquariums, mainly due to its impressive size and rather modest…

  • Red-bellied Piranha

    Red-bellied Piranha

    Pygocentrus nattereri

    Piranhas (Serrasalmidae)

    The Red-bellied Piranha, scientifically known as Pygocentrus nattereri, belongs to the family Serrasalmidae. This fish is frequently mentioned, and its notoriety has been significantly cemented by numerous Hollywood…

  • Red-Black Halfbeak

    Red-Black Halfbeak

    Nomorhamphus liemi

    Halfbeaks (Zenarchopteridae)

    The Red-Black Halfbeak, scientifically known as Nomorhamphus liemi (subspecies snijdersi), belongs to the family Zenarchopteridae, or Halfbeaks. This miniature predatory fish requires a careful approach to keeping and…

  • Red-breasted Acara

    Red-breasted Acara

    Laetacara dorsigera

    Cichlids (Cichlidae)

    The red-breasted acara, Laetacara dorsigera, belongs to the family Cichlidae. This South American cichlid has a peaceful temperament. It does not make high demands on water conditions and gets along well with many other…

  • Red-cheeked Barb

    Red-cheeked Barb

    Systomus orphoides

    Cyprinids (Cyprinidae)

    Systomus orphoides, known as the "Red-cheeked Barb," belongs to the family Cyprinidae, or carps. This species is almost indistinguishable in appearance from its closest relative, the Olive Barb (Systomus sarana). This…

  • Red-Eyed Pufferfish

    Red-Eyed Pufferfish

    Carinotetraodon salivator

    Pufferfish (Tetraodontidae)

    The Red-Eyed Pufferfish, scientifically known as Carinotetraodon salivator, belongs to the family Tetraodontidae, or pufferfish. In moments of potential threat, this fish, like other members of its family, can inflate…

  • Red-Eyed Tetra

    Red-Eyed Tetra

    Bario sanctaefilomenae

    Acestrorhamphidae

    The Filomena, also known as the Red-Eyed Tetra or Moenkhausia Red-Eye (scientific name Bario sanctaefilomenae), belongs to the family Acestrorhamphidae. This species enjoys well-deserved popularity among aquarists…

  • Red-finned Distichodus

    Red-finned Distichodus

    Distichodus affinis

    Distichodontidae

    The Red-finned Distichodus, known scientifically as Distichodus affinis, belongs to the family Distichodontidae. These are peaceful, large-sized fish that are not particularly decorative and are perceived more as…

  • Red-finned Parotocinclus

    Red-finned Parotocinclus

    Parotocinclus maculicauda

    Armored Catfishes (Loricariidae)

    Parotocinclus maculicauda, known as the Red-finned Parotocinclus, belongs to the family Loricariidae, which includes the Armored Catfishes. This fish is a native of South America, found in the coastal river systems of…

  • Red-Nosed Rasbora

    Red-Nosed Rasbora

    Sawbwa resplendens

    Cyprinids (Cyprinidae)

    The Red-Nosed Rasbora, also known as Sawbwa (scientific name Sawbwa resplendens), belongs to the family Cyprinidae. This unique species inhabits only one mountain lake in eastern Burma, Southeast Asia. High demand in…

  • Red-spotted Cichlid

    Red-spotted Cichlid

    Darienheros calobrensis

    Cichlids (Cichlidae)

    The Red-spotted Cichlid, also known by its scientific name Darienheros calobrensis, belongs to the family Cichlidae. It's interesting to note that in the past, this species was classified under a different genus and was…

  • Red-striped Rainbowfish

    Red-striped Rainbowfish

    Melanotaenia splendida rubrostriata

    Rainbowfishes (Melanotaeniidae)

    The Red-striped Rainbowfish (scientific name Melanotaenia splendida rubrostriata), also known as the Red-banded Rainbowfish, belongs to the family Melanotaeniidae. This species can be an excellent choice even for…

  • Red-striped Rasbora

    Red-striped Rasbora

    Trigonopoma pauciperforatum

    Cyprinids (Cyprinidae)

    The Red-striped Rasbora (Trigonopoma pauciperforatum), belonging to the family Cyprinidae, is a beautiful, calm, and peaceful schooling fish, notable for its unpretentiousness. These qualities make it a very popular…

  • Red-tailed Barb

    Red-tailed Barb

    Barbonymus altus

    Cyprinids (Cyprinidae)

    The Red-tailed Barb, scientifically known as Barbonymus altus, is a member of the Cyprinidae family. This hardy fish, capable of reaching 20 cm in length, fits perfectly into large aquariums. It is often chosen for…

  • Red-tailed Bedotia

    Red-tailed Bedotia

    Bedotia geayi

    Madagascar Rainbowfish (Bedotiidae)

    The Red-tailed Bedotia (scientific name Bedotia geayi) is a representative of the Bedotiidae family, also known as Madagascar rainbowfish. Despite its vibrant and active nature, this fish requires special attention from…

  • Red-tailed Chalceus

    Red-tailed Chalceus

    Chalceus macrolepidotus

    Chalceidae

    The Red-tailed Chalceus, or Chalceus macrolepidotus by its scientific name, belongs to the family Chalceidae. This rather large predatory species, while not a true aggressor, will not miss an opportunity to snack on…

  • Red-tailed Gourami

    Red-tailed Gourami

    Osphronemus laticlavius

    Osphronemidae

    The Giant Red-tailed Gourami (scientific name Osphronemus laticlavius) belongs to the family Osphronemidae. This fish is one of the four giant Gourami species, distinguished perhaps by the most vibrant coloration. As an…

  • Red-tailed Hemibagrus

    Red-tailed Hemibagrus

    Hemibagrus wyckioides

    Bagridae (naked catfishes)

    The Asian Red-tailed Catfish, known scientifically as Hemibagrus wyckioides, is a member of the Bagridae family (Bagrid Catfishes). This is a very large and aggressive predatory fish, rarely suitable for beginner…

  • Red-tailed Loach

    Red-tailed Loach

    Aborichthys elongatus

    Nemacheilidae

    Aborichthys elongatus, also known as the Red-tailed Loach, bears the scientific name Aborichthys elongatus and is classified in the family Nemacheilidae. This species is not frequently encountered in pet stores, which…

  • Red-tailed Rasbora

    Red-tailed Rasbora

    Rasbora borapetensis

    Cyprinids (Cyprinidae)

    Rasbora borapetensis, also known as the Red-tailed or Black-striped Rasbora, belongs to the family Cyprinidae. This attractive aquarium fish is valued for its unpretentiousness in care, compatibility with many other…

  • Redbelly Cichlid

    Redbelly Cichlid

    Cribroheros longimanus

    Cichlids (Cichlidae)

    Cribroheros longimanus, known as the Redbelly Cichlid, belongs to the family Cichlidae. These fish originate from Central America, with their range extending from Guatemala to Costa Rica. They primarily inhabit lakes…

  • Redcap Oranda

    Redcap Oranda

    Carassius auratus

    Cyprinids (Cyprinidae)

    Among the many color variations of the Oranda, the Redcap Oranda Goldfish is undoubtedly the most recognizable. Its distinguishing feature is a snow-white body that brightly contrasts with the growth on its head, known…

  • Reddish Mystus Catfish

    Reddish Mystus Catfish

    Mystus nigriceps

    Bagridae (naked catfishes)

    The Reddish Mystus Catfish, scientifically known as Mystus nigriceps, belongs to the Bagridae family, or naked catfishes. This fish has long been popular with aquarists, although until the 1940s it was often mistakenly…

  • Redtail Barracuda

    Redtail Barracuda

    Acestrorhynchus altus

    Acestrorhynchidae

    The Redtail Barracuda, scientifically known as Acestrorhynchus altus, belongs to the family Acestrorhynchidae. Its appearance, combining a streamlined, dynamic physique with jaws full of teeth, clearly indicates its…

  • Redtail Catfish

    Redtail Catfish

    Phractocephalus hemioliopterus

    Pimelodidae (Long-whiskered Catfishes)

    The Redtail Catfish, also known as the Flat-headed Catfish, has the scientific name Phractocephalus hemioliopterus and belongs to the family Pimelodidae. This very large representative of the order Siluriformes is…

  • Reedfish

    Reedfish

    Erpetoichthys calabaricus

    Polypteridae (Bichirs)

    The scientific name Erpetoichthys calabaricus belongs to the family Polypteridae, known as the bichirs, and denotes the species known as the Reedfish or Ropefish. These amazing fish are the closest relatives of the…

  • Regal Danio

    Regal Danio

    Devario regina

    Cyprinids (Cyprinidae)

    The Regal Danio, scientifically known as Devario regina, is a member of the Cyprinidae family. The presence of the word "regal" in its name does not indicate any unique characteristics of this aquatic inhabitant, as it…

  • Reticulated Barb

    Reticulated Barb

    Desmopuntius foerschi

    Cyprinids (Cyprinidae)

    Desmopuntius foerschi, commonly called the reticulated barb, belongs to the carp family Cyprinidae. This active and peaceful fish makes an excellent addition to a mixed freshwater community. Its ease of care and…

  • Reticulated Corydoras

    Reticulated Corydoras

    Corydoras reticulatus

    Armored Catfish (Callichthyidae)

    The Reticulated Corydoras, scientifically known as Corydoras reticulatus, is a member of the family Callichthyidae, or Armored Catfishes. Its natural habitat is South America, where it is widely distributed in the lower…

  • Reticulated Rasbora

    Reticulated Rasbora

    Rasbora reticulata

    Cyprinids (Cyprinidae)

    Rasbora reticulata, known as the Reticulated Rasbora, is a member of the carp family (Cyprinidae). This fish originates from Southeast Asia. It is found on Sumatra and on Nias Island, which lies to the west of it. It…

  • Reticulated Woodcat

    Reticulated Woodcat

    Centromochlus reticulatus

    Driftwood Catfishes (Auchenipteridae)

    Centromochlus reticulatus, more commonly known as the Reticulated Woodcat or Purple Oil Catfish, belongs to the family Auchenipteridae (Driftwood Catfishes). This species is notable for its ease of care and breeding, as…

  • Retroculus xinguensis

    Retroculus xinguensis

    Retroculus xinguensis

    Cichlids (Cichlidae)

    Retroculus xinguensis, a member of the Cichlidae family, has not gained widespread popularity among American cichlid enthusiasts. This is likely due to its rather modest coloration and specific habitat requirements,…

  • Reval Barb

    Reval Barb

    Pethia reval

    Cyprinids (Cyprinidae)

    Pethia reval, known as the Reval Barb, belongs to the family Cyprinidae. For a long time, the species was considered only a color variant of the Cuming's Barb, and only in 2008 did it receive independent status.…

  • Rhoadsia

    Rhoadsia

    Rhoadsia altipinna

    Acestrorhamphidae

    Rhoadsia altipinna, or the high-finned Rhoadsia, belongs to the family Acestrorhamphidae and originates from the waters of South America. These fish inhabit river systems that primarily flow through Ecuador and empty…

  • Rhombus Barb

    Rhombus Barb

    Desmopuntius rhomboocellatus

    Cyprinids (Cyprinidae)

    The Rhombus Barb, scientifically known as Desmopuntius rhomboocellatus, belongs to the family Cyprinidae. This small fish, with its distinctive body coloration and specific water chemistry requirements, thrives in…

  • Ricefish

    Ricefish

    Oryzias asinua

    Adrianichthyidae

    Oryzias asinua, known as the Asian Ricefish, belongs to the family Adrianichthyidae and is part of the Killifish group, also called Toothcarps. This fish is a close relative of the Japanese Ricefish, inheriting its…

  • River Stingray

    River Stingray

    Potamotrygon motoro

    Potamotrygonidae (River stingrays)

    The Ocellated River Stingray, also known as the South American Freshwater Stingray (scientific name Potamotrygon motoro), belongs to the family Potamotrygonidae. This predator poses a certain danger to aquarists due to…

  • Rivulus agilae

    Rivulus agilae

    Laimosemion agilae

    Rivulidae

    Laimosemion agilae, also known as Rivulus agilae, belongs to the family Rivulidae. These fish originate from South America, where they can be found in French Guiana, Suriname, and Guyana. They are named after the…

  • Rivulus caudomarginatus

    Rivulus caudomarginatus

    Kryptolebias caudomarginatus

    Rivulidae

    Rivulus caudomarginatus, known scientifically as Kryptolebias caudomarginatus, belongs to the family Rivulidae. This fish species originates from South America, where its wild populations are found along the coastline…

  • Rivulus igneus

    Rivulus igneus

    Anablepsoides igneus

    Rivulidae

    The fish Rivulus igneus, scientifically known as Anablepsoides igneus, is a member of the Rivulidae family. Its natural habitat is South America, specifically the Oyapock River basin, located in the northeastern part of…

  • Rivulus luelingi

    Rivulus luelingi

    Atlantirivulus luelingi

    Rivulidae

    The fish, known by the scientific name Atlantirivulus luelingi (formerly Rivulus luelingi) and belonging to the family Rivulidae, is Rivulus luelingi. This species originates from shallow waters in the southern regions…

  • Rohan's Barb

    Rohan's Barb

    Dawkinsia rohani

    Cyprinids (Cyprinidae)

    The fish known as Rohan's Barb (Dawkinsia rohani by its scientific name) belongs to the family Cyprinidae. Its name is a tribute to two prominent biologist-ichthyologists, Richard Dawkins and Rohan Pethiyagoda. This…

  • Roloffia huwaldi

    Roloffia huwaldi

    Callopanchax huwaldi

    Nothobranchiidae

    The fish Roloffia huwaldi, known scientifically as Callopanchax huwaldi (formerly Roloffia huwaldi), belongs to the family Nothobranchiidae, or nothobranchs. Its homeland is West Africa, where it is found in Sierra…

  • Rosen's Brachyrhaphis

    Rosen's Brachyrhaphis

    Brachyrhaphis roseni

    Poeciliidae

    Brachyrhaphis roseni, also known as Rosen's Brachyrhaphis, belongs to the family Poeciliidae. It is an active and colorful fish with a rather complex character. Its keeping does not present particular difficulties, but…

  • Rosy Barb

    Rosy Barb

    Pethia conchonius

    Cyprinids (Cyprinidae)

    The Rosy Barb, scientifically known as Pethia conchonius, is a member of the Cyprinidae family. Its vibrant appearance is sure to catch the eye, and its high activity makes observing these fish a captivating experience,…

  • Rosy Danio

    Rosy Danio

    Danio roseus

    Cyprinids (Cyprinidae)

    The Rosy Danio, scientifically known as Danio roseus, belongs to the family Cyprinidae (Carps). This fish is a relatively recent addition to the aquarium hobby but has quickly gained popularity. Its care and breeding…

  • Rosy Tetra

    Rosy Tetra

    Megalamphodus rosaceus

    Acestrorhamphidae

    The Rosy Tetra, also known as the Rosaceus Tetra (Megalamphodus rosaceus), belongs to the family Acestrorhamphidae and makes an excellent addition to a community of peaceful aquarium inhabitants. This fish shows…

  • Roundtail Paradise Fish

    Roundtail Paradise Fish

    Macropodus ocellatus

    Osphronemidae

    The Roundtail Paradise Fish, also known as the Chinese Paradise Fish, with the scientific name Macropodus ocellatus, is a member of the Osphronemidae family. This beautiful fish stands out for its exceptional hardiness,…

  • Royal Panaque

    Royal Panaque

    Panaque nigrolineatus

    Armored Catfishes (Loricariidae)

    The Royal Panaque, scientifically named Panaque nigrolineatus, belongs to the family Loricariidae, which comprises armoured catfish. This large fish stands out for its striking appearance and adaptability, though its…

  • Royal Tiger Pleco

    Royal Tiger Pleco

    Hypancistrus sp. L066

    Armored Catfishes (Loricariidae)

    The Royal Tiger Pleco, scientifically known as Hypancistrus sp. L066, belongs to the family Loricariidae, or Armored Catfishes. Its natural habitat is South America, where it is primarily found in the Brazilian state of…

  • Ruby Nannostomus

    Ruby Nannostomus

    Nannostomus rubrocaudatus

    Lebiasinidae

    Nannostomus rubrocaudatus, known as the Ruby Nannostomus, belongs to the family Lebiasinidae. This picturesque fish has gained widespread popularity among hobby aquarists due to its vibrant coloration and relatively…

  • Ruby Tetra

    Ruby Tetra

    Axelrodia riesei

    Acestrorhamphidae

    Axelrodia riesei, also known as the Ruby Tetra or Axelrod's Tetra, is a fish from the Characin family. Its Latin name has an interesting origin, being a combination of the names of two scientists — Herbert R. Axelrod…

  • Rummy-nose Tetra

    Rummy-nose Tetra

    Petitella rhodostoma

    Acestrorhamphidae

    The Rummy-nose Tetra, also known by its scientific name Petitella rhodostoma, belongs to the family Acestrorhamphidae. This fish deservedly enjoys popularity because it is quite undemanding, easily coexists with many…

  • Ryukin

    Ryukin

    Carassius auratus

    Cyprinids (Cyprinidae)

    The ryukin, known in the English-speaking hobby as the Ryukin Goldfish, is a Japanese adaptation of the fantail goldfish. Although both types descend from a common ancestor, the ryukin is distinguished by its high back,…

  • Saberfin

    Saberfin

    Terranatos dolichopterus

    Rivulidae

    The Saberfin, scientifically known as Terranatos dolichopterus, belongs to the Rivulidae family. This species is the sole representative of the genus Terranatos, whose name is derived from Latin: "Terra" meaning "earth"…

  • Saddle Corydoras

    Saddle Corydoras

    Corydoras ephippifer

    Armored Catfish (Callichthyidae)

    Corydoras ephippifer, also known as the Saddle Corydoras, bears the scientific name Corydoras ephippifer. It is a member of the Callichthyidae family, which includes armored or callichthyid catfishes. Its name is…

  • Saddled Hillstream Loach

    Saddled Hillstream Loach

    Homaloptera orthogoniata

    River Loaches (Balitoridae)

    Homaloptera orthogoniata, more commonly known as the Saddled Hillstream Loach, is a member of the Balitoridae family (River Loaches). This species is still quite rare among aquarists, and often other closely related…

  • Sailfin Catfish

    Sailfin Catfish

    Leiarius pictus

    Pimelodidae (Long-whiskered Catfishes)

    The Sailfin Catfish, also known by its scientific name Leiarius pictus or Marbled Catfish, belongs to the family Pimelodidae. This catfish is distinguished by its beauty and unpretentiousness, but its impressive size…

  • Sailfin Molly

    Sailfin Molly

    Poecilia latipinna

    Poeciliidae

    The Sailfin Molly, also known as Poecilia latipinna, belongs to the Poeciliidae family. This beautiful fish attracts attention with its unusually large and wide dorsal fin, which outwardly resembles a sail. Nowadays, it…