Characins

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…

False Neon Tetra

Paracheirodon simulans

The False Blue Neon Tetra, scientifically known as Paracheirodon simulans, is a member of the Acestrorhamphidae family. It is significantly less common in the aquarium trade than other Neon species, yet it is no less…

False Pristella Tetra

Hyphessobrycon simulatus

Hyphessobrycon simulatus, or the False Pristella Tetra (also known as the False Transparent Tetra), belongs to the Acestrorhamphidae family. As its name suggests, this fish bears a resemblance to the Pristella Tetra,…

False Rummy-Nose Tetra

Petitella georgiae

A member of the Acestrorhamphidae family, Petitella georgiae, is scientifically known as the “False Rummy-Nose Tetra” or “False Rummy-Nose.” As its name suggests, this fish bears a striking resemblance to two closely…

Firehead Tetra

Petitella bleheri

The Bleeding Heart Tetra, also known as the Rummy-nose Tetra (Petitella bleheri), belongs to the family Acestrorhamphidae. Its peaceful nature and availability have made it extremely popular among aquarists worldwide.…

Flame Tetra

Hyphessobrycon flammeus

Hyphessobrycon flammeus, also known as the Flame Tetra or Red Tetra, belongs to the family Acestrorhamphidae. These fish are distinguished by their beautiful fiery coloration. However, when purchased from pet stores,…

Freshwater Barracuda

Ctenolucius hujeta

Ctenoluciidae

Ctenolucius hujeta, more commonly known as the Freshwater Barracuda or Pike Characin, is a member of the Ctenoluciidae family. This species is a fast and efficient predator. Despite its predatory lifestyle, it is…

Giant Hatchetfish

Thoracocharax securis

A member of the family Gasteropelecidae, the Platinum Hatchetfish (scientific name Thoracocharax securis) originates from South America. These fish inhabit the vast Amazon River basin, where they are more commonly found…

Glass Tetra

Prionobrama filigera

Characidae

The glass tetra, Prionobrama filigera, belongs to the family Characidae. Its defining feature is an almost completely transparent body contrasted with a bright red tail fin. Another remarkable trait is its ability to…

Glowlight Tetra

Hemigrammus erythrozonus

The Glowlight Tetra, or Hemigrammus erythrozonus by its scientific name, is a member of the Acestrorhamphidae family. It gets its name from the bright red-orange stripe running from its head to its caudal fin. These…

Gnathocharax

Gnathocharax steindachneri

Acestrorhynchidae

Steindachner's Gnathocharax, scientifically known as Gnathocharax steindachneri, belongs to the family Acestrorhynchidae. Previously, this species was a rather rare guest in amateur aquariums. Its appearance in…

Golden Tetra

Hemigrammus rodwayi

The Golden Tetra, scientifically known as Hemigrammus rodwayi, belongs to the Acestrorhamphidae family. This fish gets its name from its bright golden scales. In reality, this "gilded" effect is due to the presence of…

Green Neon Tetra

Hemigrammus hyanuary

Hemigrammus hyanuary, known as the Green Neon Tetra or Green Neon, belongs to the family Acestrorhamphidae. Its homeland is South America, where its habitat covers vast areas of the upper and middle Amazon River basin.…

Green-Striped Tetra

Iguanodectes spilurus

Iguanodectidae

The Iguana Tetra, also known as the Green-Striped Tetra, and scientifically as Iguanodectes spilurus, is a member of the family Iguanodectidae. Its straightforward care does not require significant time or financial…

Hasemania

Hasemania nana

The Copper Tetra, also known as Hasemania (scientific name — Hasemania nana), belongs to the family Acestrorhamphidae. This fish is considered an excellent choice for a community tank. Its popularity is due to its…

Hatchetfish

Gasteropelecus sternicla

The scientific name Gasteropelecus sternicla refers to hatchetfish, belonging to the family Gasteropelecidae. These fish are notable for their unusual appearance. Their original body shape is not the only distinguishing…

Head-and-taillight Tetra

Holopristis ocellifera

The Head-and-taillight Tetra, also known by its scientific name Holopristis ocellifera, belongs to the family Acestrorhamphidae. This freshwater tropical fish is very common, easy to keep and breed, and coexists well…

Hemiodus quadrimaculatus

Hemiodontidae

Hemiodus quadrimaculatus, known as the Four-spotted Hemiodus, belongs to the family Hemiodontidae. This fish species originates from South America, where it is widely distributed in the Amazon basins – such as the Rio…

Hummingbird Tetra

Trochilocharax ornatus

The Hummingbird Tetra, scientifically known as Trochilocharax ornatus, is a member of the Acestrorhamphidae family. This species undoubtedly lives up to its name, as it is among the most miniature aquarium fish.…

Hyphessobrycon elachys

Hyphessobrycon elachys, known by its scientific name, belongs to the Acestrorhamphidae family. This fish is native to South America, where it can be found in the Paraguay River basin. This river flows through the…

Kerri Tetra

Inpaichthys kerri

A miniature fish with original coloration, particularly prominent in males, the Kerri Tetra or Purple Emperor Tetra, scientifically known as Inpaichthys kerri, belongs to the Acestrorhamphidae family. It is…

Kitty Tetra

Hyphessobrycon heliacus

African Tetras (Alestidae)

The Kitty Tetra, scientifically known as Hyphessobrycon heliacus, belongs to the family Acestrorhamphidae. This fish originates from South America, where it is found in the Telis Pires River basin. This river, in turn,…

Ladigesia roloffi

Ladigesia roloffi, scientifically known as Ladigesia roloffi, belongs to the family Alestidae, or African tetras. In the wild, this species of tetra is becoming increasingly rare due to the destruction of its natural…

Laemolyta taeniata

Laemolyta taeniata, also known as the striped laemolyta, belongs to the family Anostomidae. It is quite rare in aquariums. Often, it arrives in batches with more brightly colored fish species, but due to its unassuming…

Lemon Tetra

Hyphessobrycon pulchripinnis

The Lemon Tetra, or Hyphessobrycon pulchripinnis, is a representative of the Acestrorhamphidae family. This fish attracts attention with both its appearance and behavior. Its coloration, ranging from yellow to lemon,…

Leporinus arcus

Leporinus arcus, also known as the Red-lipped Leporinus, belongs to the family Anostomidae. This is a rather large fish with modest coloration and a challenging temperament, requiring a spacious aquarium. All these…

Leporinus striatus

The Four-lined Leporinus, also known as Leporinus striatus, belongs to the family Anostomidae. This fish species inhabits the waters of South America, particularly in the Paraná and Paraguay river basins, covering the…

Leporinus vittatus

Leporellus vittatus

Leporinus vittatus, a representative of the family Anostomidae, known scientifically as Leporellus vittatus, is a large fish with a distinctive character and rather modest coloration. Its keeping requires a spacious…

Lippincott's Metynnis

Metynnis lippincottianus

Metynnis lippincottianus, or Lippincott's Metynnis, is a member of the family Serrasalmidae. Although this fish belongs to the piranha group, its temperament is significantly more peaceful than that of its famous…

Long-nosed Distichodus

Distichodus sexfasciatus

Distichodontidae

The Long-nosed Distichodus, scientifically known as Distichodus sexfasciatus, is a member of the family Distichodontidae. This rather large fish, characterized by its distinctive striped coloration, outwardly resembles…

Loreto Tetra

Hyphessobrycon loretoensis

The Loreto Tetra (Hyphessobrycon loretoensis) is a fish belonging to the Characin family. It is named after the Loreto region in northeastern Peru, where it was first discovered. This species is known for its…

Marbled Hatchetfish

Carnegiella strigata

The scientific name Carnegiella strigata belongs to the family Gasteropelecidae, whose name translates to "axe-shaped belly." This name is reflected in the appearance of the marbled hatchetfish or Carnegiella. As an…

Marbled Headstander

Abramites hypselonotus

Abramites hypselonotus, known as the Marbled Headstander, is a member of the Anostomidae family. This fish is quite rare in home aquariums, partly due to difficulties in breeding and its peculiar "character". Most…

Mimagoniates barberi

Stevardiidae

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…

Moenkhausia agnesae

Moenkhausia agnesae, known in scientific literature as Moenkhausia agnesae, belongs to the Acestrorhamphidae family. This fish is native to South America, specifically found in the upper reaches of the Amazon River. It…

Moenkhausia Colletti

Hemigrammus collettii

Hemigrammus collettii, known as Moenkhausia Colletti, belongs to the extensive Acestrorhamphidae family. This species appeared in Europe in the early 2000s, becoming available to aquarists. In general, they are not…

Moon Myloplus

Myloplus rubripinnis

The Moon Myloplus, or Redhook Myloplus (scientific name Myloplus rubripinnis), belongs to the family Serrasalmidae, also known as the Piranha family. This is a large schooling fish that exhibits a peaceful temperament…

Myloplus schomburgkii

Myloplus schomburgkii, also known as the Schomburgk's Myloplus or Disk Tetra, bears the scientific name Myloplus schomburgkii and belongs to the family Serrasalmidae (Piranhas). This species is a herbivorous relative of…

Mylossoma duriventre

The fish Mylossoma duriventre, known as Mylossoma duriventre, belongs to the family Serrasalmidae, or piranhas. Its natural range covers the tropical and subtropical regions of South America, found in the Amazon,…

Nannaethiops unitaeniatus

Distichodontidae

Nannaethiops unitaeniatus, known as the One-striped Nannaethiops, belongs to the family Distichodontidae. These fish are rarely found in hobbyists' aquariums, although they have all the qualities to become truly…

Nannostomus anduzei

Nannostomus anduzei, known scientifically as Nannostomus anduzei, belongs to the family Lebiasinidae. The fish was named in honor of the Venezuelan biologist and explorer Pablo Anduze, who first provided a detailed…

Nannostomus harrisoni

Nannostomus harrisoni, also known as the Black-striped Nannostomus, belongs to the family Lebiasinidae. This species is named after James Harrison, a scientist who actively assisted in the Indiana University and…

Nannostomus marginatus

The Dwarf Pencilfish, or Nannostomus marginatus, belongs to the family Lebiasinidae. These active and undemanding fish can become a true adornment to almost any freshwater aquarium. Thanks to their simplicity, they are…

Nannostomus marilynae

Nannostomus marilynae, known by its scientific name, belongs to the family Lebiasinidae. It was named in honour of Marilyn Sohner Weitzman, the wife of the scientist who described this species. In aquaristics, these…

Nannostomus minimus

Nannostomus minimus, with the Latin name Nannostomus minimus, belongs to the family Lebiasinidae. It is quite rare among amateur aquarists. These fish are often found as incidental bycatch in shipments with other…

Neon Tetra

Paracheirodon innesi

Paracheirodon innesi, better known as the Neon Tetra or Blue Neon, belongs to the Acestrorhamphidae family. This aquarium fish rightly holds a place among the most beloved and popular species. As early as the 1930s, it…

One-lined Pencilfish

Nannostomus unifasciatus

Nannostomus unifasciatus, also known as the One-lined Pencilfish, belongs to the family Lebiasinidae. This popular aquarium fish is notable for its unusual oblique swimming style, which distinguishes it from other…

Ornate Crenuchus

Crenuchus spilurus

Crenuchidae

The Ornate Crenuchus, scientifically known as Crenuchus spilurus, is a native member of the family Crenuchidae. This unique and attractive fish stands out among most characins due to its pronounced sexual dimorphism and…

Ornate Tetra

Megalamphodus bentosi

The Ornate Tetra, also known as the Common Ornate Tetra or by its scientific name Megalamphodus bentosi, belongs to the family Acestrorhamphidae. This species is a classic representative of the extensive group of…

Parodon affinis

Apareiodon affinis

Parodontidae

Apareiodon affinis, formerly known as Parodon affinis, belongs to the family Parodontidae and is commonly known as the simple Parodon. These fish originate from South America, specifically from the vast La Plata region…

Pellegrin's Leporinus

Leporinus pellegrinii

Leporinus pellegrinii, also known as Pellegrin's Leporinus, is a member of the family Anostomidae. Its homeland is the vast expanses of South America; in particular, it is widely distributed throughout the entire length…

Pencilfish

Nannostomus eques

The Pencilfish (Nannostomus eques) is a member of the Lebiasinidae family, an exceptionally interesting aquarium fish to observe. It possesses an amazing ability to change its body pattern depending on the intensity of…

Penguin Tetra

Thayeria boehlkei

The Crooked-Striped Thayeria, widely known as the Penguin Tetra, with the scientific name Thayeria boehlkei, is a member of the Acestrorhamphidae family. These fish are characterized by their cheerful, energetic, and…

Pepper Tetra

Axelrodia stigmatias

The Pepper Tetra, or Axelrodia stigmatias, belongs to the Acestrorhamphidae family. The fish was named after an American entrepreneur who made a significant contribution to the popularization of aquaristics. The…

Peruvian Tetra

Hyphessobrycon peruvianus

The Peruvian Tetra, or Peruvian Neon (scientific name Hyphessobrycon peruvianus), belongs to the Acestrorhamphidae family. This species has gained widespread popularity in aquaristics due to its moderate requirements,…

Phantom Tetra

Megalamphodus megalopterus

The Phantom Tetra, also known as the Black Phantom Tetra (Megalamphodus megalopterus), belongs to the family Acestrorhamphidae. For many years, this fish has maintained its popularity among aquarists, becoming one of…

Phenacogaster calverti

Characidae

The fish Phenacogaster calverti, known as Phenacogaster calverti, belongs to the family Characidae. Its natural habitat is the numerous coastal river systems of the Brazilian states of Ceará and Paraíba in the east of…

Pike Characin

Boulengerella lateristriga

Ctenoluciidae

Boulengerella lateristriga, also known as the Striped Pike Characin or Pike Characin, belongs to the family Ctenoluciidae. This species is not difficult to keep, provided it is given a sufficiently spacious aquarium…

Platinum Hatchetfish

Thoracocharax stellatus