Characins

The African Red-Eyed Tetra, scientifically known as Arnoldichthys spilopterus, belongs to the family Alestidae (African Tetras). This hardy and undemanding fish, both in terms of care and breeding, is distinguished by…

Albino Pristella

Pristella maxillaris

The albino pristella, also known as the transparent tetra albino and scientifically classified as Pristella maxillaris, belongs to the family Acestrorhamphidae. This species is among the most widespread and accessible…

Alestes Tetra

Brachypetersius altus

The Alestes Tetra (Brachypetersius altus), a member of the Alestidae family (African Tetras), is native to the waters of West Africa. It can be found in the middle Congo River basin, as well as in numerous tributaries…

Amanda's Tetra

Hyphessobrycon amandae

Amanda's Tetra, also known as the Dwarf Red Tetra, has the scientific name Hyphessobrycon amandae and belongs to the family Acestrorhamphidae. This fish species was named in honor of researcher Amanda Géry, who…

Amapa Tetra

Hyphessobrycon amapaensis

The Amapa Tetra, also known as the Red-striped Tetra, scientifically named Hyphessobrycon amapaensis, belongs to the family Acestrorhamphidae. Its name refers to the Brazilian state of Amapá, where it was first…

Anostomus anostomus

Anostomidae

Anostomus anostomus, or the Common Anostomus, belongs to the family Anostomidae. This fish is one of the two most recognizable representatives of its family, along with the Threespot Anostomus. Its keeping is relatively…

Anostomus ternetzi

Anostomidae

Anostomus ternetzi, or Ternetz's Anostomus, belongs to the family Anostomidae. This species was named after the Swiss ichthyologist Carl Ternetz (1870–1928), who collected the holotype. Along with the Common Anostomus,…

Ansorg's Neolebias

Neolebias ansorgii

Distichodontidae

Neolebias ansorgii, or Ansorg's Neolebias, belongs to the family Distichodontidae. It is rarely found for sale, which is due to its specific requirements for keeping conditions. Often, these fish are kept improperly by…

Aphyocharax

Aphyocharax anisitsi

The Red-Fin Tetra, also known as Aphyocharax with the scientific name Aphyocharax anisitsi, belongs to the family Characidae. Its first description was made by Eigenmann and Kennedy in 1903, following an expedition to…

Aphyocharax alburnus

Aphyocharax alburnus, also known as the Gold-crown Tetra, belongs to the family Characidae. Its natural habitat is located in South America, extending from central Brazil to northern Argentina. This species prefers to…

Aphyocharax nattereri

Aphyocharax nattereri, also known as Natterer's Aphyocharax, belongs to the Characidae family. This species is not as commonly found in pet stores as its tetra relatives, yet it possesses no less attractiveness and…

Aphyocharax rathbuni

Aphyocharax rathbuni, known scientifically as Aphyocharax rathbuni, belongs to the extensive Characidae family. This active, miniature fish is easy to keep and successfully breeds in aquarium conditions. It coexists…

Arnold's Copeina

Copella arnoldi

Arnold's Copeina, or Pyrrhulina (scientific name — Copella arnoldi), is a member of the family Lebiasinidae. This graceful fish is unique for its amazing method of raising fry, which has been featured in several BBC and…

Banded Distichodus

Distichodus fasciolatus

Distichodontidae

The scientific name Distichodus fasciolatus, or Banded Distichodus, indicates its belonging to the family Distichodontidae. This fish originates from the African continent, where it can be found in the vast Congo River…

Banded Leporinus

Leporinus fasciatus

Anostomidae

The Banded Leporinus, scientifically known as Leporinus fasciatus, belongs to the Anostomidae family. For many years, this fish has attracted the attention of aquarists due to its characteristic alternating black and…

Banded Pencilfish

Nannostomus espei

Nannostomus espei, known as the Banded Pencilfish, belongs to the family Lebiasinidae. It is quite popular in the aquarium hobby, but its widespread distribution is hindered by certain difficulties in breeding. However,…

Beckford's Pencilfish

Nannostomus beckfordi

Nannostomus beckfordi, belonging to the family Lebiasinidae, is a miniature and rather active fish, rarely exceeding 4 cm in length. A small school of these fish can be a magnificent addition to a tropical aquarium.…

Biara

Rhaphiodon vulpinus

Cynodontidae

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…

Black Morpho Tetra

Poecilocharax weitzmani

Crenuchidae

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…

Black Neon Tetra

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,…

Black Pacu

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…

Black Piranha

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…

Black Skirt Tetra (Veiltail)

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…

Black Tetra

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…

Blackfin Markiana

Markiana nigripinnis

Stevardiidae

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…

Blackspot Piranha

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…

Bleeding Heart Tetra

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…

Blind Cave Tetra

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…

Blue Diamond Tetra

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 Glass Tetra

Paragoniates alburnus

Prochilodontids (Prochilodontidae)

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 Tetra

Mimagoniates microlepis

Stevardiidae

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…

Brazilian Haraki

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…

Breuseghem's Tetra

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…

Brycon hilarii

Bryconidae

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,…

Buenos Aires Tetra

Psalidodon anisitsi

Psalidodon anisitsi, known as the Diamond Tetra, belongs to the Acestrorhamphidae family. This fish has long been popular among aquarists worldwide due to its attractive appearance and undemanding nature. Its only…

Caenotropus

Caenotropus labyrinthicus

Chilodontidae

A member of the Chilodontidae family, Caenotropus, scientifically known as Caenotropus labyrinthicus, originates from South America. Its presence is notable throughout the vast Amazon River basin, as well as in the…

Callistus

Megalamphodus eques

Megalamphodus eques, known as the Callistus or Minor Tetra, belongs to the family Acestrorhamphidae. This beautiful ornamental fish, with its bright and expressive coloration, can adorn any aquarium, even if it's just a…

Cardinal Tetra

Paracheirodon axelrodi

Freshwater Hatchetfish (Gasteropelecidae)

The Cardinal Tetra, or Red Neon (scientific name Paracheirodon axelrodi), belongs to the Acestrorhamphidae family. This fish is one of the most beloved and widely available among aquarists. It captivates with its…

Carnegiella marthae

Carnegiella marthae, more commonly known as the Black-winged Hatchetfish or Martha's Hatchetfish, belongs to the family Gasteropelecidae (freshwater hatchetfishes). The origin of its first common name remains unknown.…

Chalceus

Chalceus erythrurus

Chalceidae

Chalceus erythrurus, known as the Yellowfin Chalceus, belongs to the family Chalceidae. This South American predator is of moderate size. If you are drawn to carnivorous species but don't want to set up a huge aquarium…

Characidium fasciatum

Crenuchidae

Characidium fasciatum belongs to the family Crenuchidae. Its modest colouration has kept it from becoming popular in the hobby, but it appears periodically in shipments from South America. The species is undemanding and…

Chilodus

Chilodus punctatus

Chilodontidae

Chilodus, scientifically known as Chilodus punctatus, is a species belonging to the family Chilodontidae. The common name for this fish, literally meaning "headstander," reflects its unique mode of locomotion. Most of…

Chocolate Tetra

Hyphessobrycon vilmae

Hyphessobrycon vilmae, also called the chocolate neon tetra, belongs to the family Acestrorhamphidae (formerly Characidae). The species was named after Wilma Schultz, wife of the ethnographer and fish collector Harald…

Citharinus

Citharinus citharus

Citharinidae

Citharinus citharus, or Citharinus, belongs to the family Citharinidae. It is widely found in the river systems of tropical and equatorial Africa. This fish is more often of interest for commercial fishing than for…

Colombian Tetra

Hyphessobrycon columbianus

The Colombian Tetra (Hyphessobrycon columbianus) is an attractive and peaceful fish belonging to the family Acestrorhamphidae. Its care is straightforward, making it an excellent choice for aquarists. It harmonizes well…

Common Metynnis

Metynnis hypsauchen

The Common Metynnis, also known by its scientific name Metynnis hypsauchen, belongs to the family Serrasalmidae, which also includes piranhas. However, unlike its formidable relatives, this fish exhibits much more…

Congo Diamond Tetra

Bryconalestes longipinnis

The Bryconalestes longipinnis, also known as the Congo Diamond Tetra or Bryconalestes longipinnis (scientific name), belongs to the family Alestidae, which includes African Tetras. These fish are a beautiful addition to…

Congo Gold Tetra

Alestopetersius caudalis

Alestopetersius caudalis, known as the Yellow-tailed Congo Tetra or Congo Gold Tetra, belongs to the family Alestidae. Although this species may not be as widely distributed as some other African tetras, it can be…

Congo Tetra

Phenacogrammus interruptus

Phenacogrammus interruptus, more commonly known as the Congo Tetra, belongs to the family Alestidae. This species is considered one of the most attractive among African characins, captivating observers with its…

Copella callolepis

Copella callolepis belongs to the family Lebiasinidae. This species was officially described as a separate species only in 2011; before that it was considered a variant of Copella nattereri or Copella meinkei, depending…

Copella compta

Copella compta, or Copella compta, belongs to the family Lebiasinidae. This fish originates from the tropical regions of South America, where it can be found in numerous forest streams and rivers located in the upper…

Copella nattereri

Toothless Characins (Curimatidae)

Copella nattereri, also known as Natterer's Copella (scientific name Copella nattereri), belongs to the family Lebiasinidae. This agile, schooling fish, like other members of its genus, exhibits a very unusual breeding…

Curimata

Cyphocharax multilineatus

Cyphocharax multilineatus, known as Curimata, belongs to the family Curimatidae, or toothless characins. This fish is native to South America, where it is found in the upper reaches of the Rio Negro and Orinoco rivers.…

Diamond Tetra

Makunaima pittieri

Among the representatives of the Acestrorhamphidae family, to which the Diamond Tetra (scientific name Makunaima pittieri) belongs, this species is perhaps the most luxurious. Its scales in adult individuals acquire…

Discus Tetra

Brachychalcinus orbicularis

The scientific name Brachychalcinus orbicularis is assigned to the Orbicular Tetra, also known as the Discus Tetra, belonging to the Acestrorhamphidae family. This fish received its second name due to the similarity of…

Distichodus lusosso

Distichodontidae

Distichodus lusosso, scientifically known as Distichodus lusosso, belongs to the family Distichodontidae. Its native habitat is equatorial Africa, where it is found in Cameroon, the Republic of the Congo, and the…

Dragon Tetra

Pseudocorynopoma doriae

Stevardiidae

The scientific name Pseudocorynopoma doriae indicates the Dragon Tetra's belonging to the Stevardiidae family. This species is not often found in home aquariums outside the American continent, mainly due to its modest…

Dusky Narrow Hatchetfish

Triportheus angulatus

Triportheidae

The Dusky Narrow Hatchetfish (scientific name Triportheus angulatus) belongs to the Triportheidae family. Interestingly, in English, it is often called the Dusky Narrow Hatchetfish, and due to some external resemblance,…

Emperor Tetra

Nematobrycon palmeri