The black neon tetra is a freshwater fish of the characin family (Characidae) of the order Characiformes. It is native to the Paraguay basin of southern Brazil. They are often found in the aquarium trade.
Neolamprologus brichardi is a species of cichlid endemic to the alkaline waters of Lake Tanganyika in East Africa. It is a popular aquarium fish kept in the fishkeeping hobby, where it is known under a variety of common names including Princess cichlid, Princess of Burundi, Lyretail cichlid, Fairy cichlid and Brichard's lamprologus. In addition, the species is also the subject of numerous studies on fish behaviour. It is closely related to N. pulcher from the southern half of Lake Tanganyika and some have recommended merging the two into a single species.
The ram cichlid is a species of freshwater fish endemic to the Orinoco River basin, in the savannahs of Venezuela and Colombia in South America. The species has been examined in studies on fish behaviour and is a popular aquarium fish, traded under a variety of common names, including ram, blue ram, German blue ram, Asian ram, butterfly cichlid, Ramirez's dwarf cichlid, dwarf butterfly cichlid and Ramirezi. The species is a member of the family Cichlidae and subfamily Geophaginae.
Adolfo's catfish is a tropical freshwater fish belonging to the Corydoradinae sub-family of the family Callichthyidae. It originates in inland waters in South America, and is found in the Rio Negro basin and the Rio Uapes in Brazil. It is also known as Adolfo's corydoras. It has similar patterns to the C. imitator but it has a shorter snout and red coloration in front of its dorsal fin.
The pink corydoras is a tropical freshwater fish belonging to the subfamily Corydoradinae of the family Callichthyidae. It originates in inland waters in South America, and is found in the Meta River basin in Colombia. A maximum body length of 4.2 cm has been reported. It was named in honor of pet-book publisher Herbert R. Axelrod (1927–2017), who helped collect type series and sent it to the Senckenberg Museum in Frankfurt, Germany.
Schwartz's catfish is a tropical freshwater fish belonging to the Corydoradinae sub-family of the family Callichthyidae. It originates in inland waters in South America, and is found in the Purus River basin in Brazil.
Britski's catfish is a tropical freshwater fish belonging to the subfamily Corydoradinae of the family Callichthyidae native to South America where it is found in the upper Paraguay River basin in Brazil. This species was formerly classified as Brochis britskii.
Thayeria is a genus of tetras from the Amazon Basin, and the Approuague and Maroni Rivers in tropical South America. It includes three species, including the blackline penguinfish, T. boehlkei. Members of this genus, among other characteristics, are small, have one lateral black stripe, and have a vesica piscis shape. They are peaceful.
The threadfin acara, also known as Heckel's thread-finned acara, is a South American species of cichlid fish. It is the only member of the genus Acarichthys and is native to rivers in the Amazon and Essequibo basins in tropical South America, and has become established in southeastern Asia. It is sometimes found in the aquarium trade.
Pseudotropheus johannii or the bluegray mbuna is an African freshwater fish from the family Cichlidae.
The ember tetra is a freshwater fish of the characin family of order Characiformes. It is native to the Araguaia River basin of Brazil and was discovered in 1987 and named in honor of the fish explorer Heiko Bleher's mother.
Boehlkea fredcochui, also known as the Cochu's blue tetra is a species of characin. Its natural range is in the Amazon Basin. It is commonly kept as an aquarium fish.
Myloplus schomburgkii, also known as the Disk tetra, Disk pacu, Black-ear pacu, Black-band myleus or Black-barred myleus is a species of serrasalmid with a black bar on its side. This species is found in the middle and lower Amazon River basin, Nanay River, upper Orinoco River basin in Brazil, Peru, Venezuela and possibly in Suriname.
Axelrodia is a genus of small characin from the Amazon Basin and Meta River in South America, with three currently described species:
Schultzites is a genus of freshwater fish in the family Characidae. It contains the single species Schultzites axelrodi, which is endemic to Colombia, where it is found in the upper Meta River basin.
Petitella bleheri is a species of characin found in Amazon Basin in Brazil and Peru. One of three species called rummy-nose tetra, but is also called firehead tetra according to FishBase. Reaching a standard length of 2 in (5 cm) it is a common species found in the aquarium trade although often potentially hybridised with the other collective rummy-nose tetra species Petitella rhodostomus and Petitella georgiae; the false rummy-nose tetra.
Hyphessobrycon bentosi, the Bentos tetra, ornate tetra or candy cane tetra, is a species of characin fish found in sluggish tributaries at the Amazon Basin in Brazil and Peru. Occasionally, it makes its way into the aquarium trade. It has often been confused with the rosy tetra.
Heiko Bleher is a German researcher, author, photographer, and filmmaker. He is best known in the scientific community for his contribution to the exploration of fresh and brackish water habitats worldwide. He has discovered numerous species of fish and aquatic plant, several of which carry his name or are named in honor of Bleher's family.
Hyphessobrycon agulha is a species of tetra in the family Characidae. As a freshwater fish, it inhabits the basin of the Madeira River in Brazil along with parts of Peru and Bolivia, and it reaches a maximum length of 4.3 centimetres (1.7 in). Though it is mainly found in the wild, it is occasionally kept by fishkeepers and is sometimes confused with the neon tetra. The fish is primarily an insectivore, though it does eat vegetable matter. It is considered to form a group with other species in Hyphessobrycon as they share a dark stripe running lengthwise.
Copella arnoldi, commonly known as the splash tetra or the splashing tetra, is a species of tropical freshwater fish belonging to the family Lebiasinidae. It is native to South America.
