Apistogramma nijsseni
Encyclopedia
Apistogramma nijsseni is a species of cichlid
Cichlid
Cichlids are fishes from the family Cichlidae in the order Perciformes. Cichlids are members of a group known as the Labroidei along with the wrasses , damselfish , and surfperches . This family is both large and diverse. At least 1,300 species have been scientifically described, making it one of...

 fish
Fish
Fish are a paraphyletic group of organisms that consist of all gill-bearing aquatic vertebrate animals that lack limbs with digits. Included in this definition are the living hagfish, lampreys, and cartilaginous and bony fish, as well as various extinct related groups...

, endemic to the black water
Blackwater river
A blackwater river is a river with a deep, slow-moving channel that flows through forested swamps and wetlands. As vegetation decays in the water, tannins are leached out, resulting in transparent, acidic water that is darkly stained, resembling tea or coffee. Most major blackwater rivers are in...

 habitat
Habitat
* Habitat , a place where a species lives and grows*Human habitat, a place where humans live, work or play** Space habitat, a space station intended as a permanent settlement...

s in the Carahuayte river drainage, Peru
Peru
Peru , officially the Republic of Peru , is a country in western South America. It is bordered on the north by Ecuador and Colombia, on the east by Brazil, on the southeast by Bolivia, on the south by Chile, and on the west by the Pacific Ocean....

. The species is popular aquarium
Aquarium
An aquarium is a vivarium consisting of at least one transparent side in which water-dwelling plants or animals are kept. Fishkeepers use aquaria to keep fish, invertebrates, amphibians, marine mammals, turtles, and aquatic plants...

 fish amongst dwarf cichlid
Dwarf cichlid
Dwarf cichlid is a term used by fishkeeping hobbyists to describe an arbitrary assemblage of small-sized fish from the family Cichlidae. Although the grouping is widely used in the aquarium industry and hobby, the grouping has no taxonomic or ecological basis and is poorly defined...

 hobbyists.

The species is named after the Dutch ichthyologist Han Nijssen
Han Nijssen
Han Nijssen is a Dutch ichthyologist. He is curator at Zoölogisch Museum in Amsterdam.Nijssen has worked extensively with fish from South America, and is the author of several species, e.g. Corydoras weitzmani and Corydoras xinguensis....


See also

  • Cichlid
    Cichlid
    Cichlids are fishes from the family Cichlidae in the order Perciformes. Cichlids are members of a group known as the Labroidei along with the wrasses , damselfish , and surfperches . This family is both large and diverse. At least 1,300 species have been scientifically described, making it one of...

  • Dwarf cichlid
    Dwarf cichlid
    Dwarf cichlid is a term used by fishkeeping hobbyists to describe an arbitrary assemblage of small-sized fish from the family Cichlidae. Although the grouping is widely used in the aquarium industry and hobby, the grouping has no taxonomic or ecological basis and is poorly defined...

  • Apistogramma
    Apistogramma
    Apistogramma is a genus of approximately a hundred species of fish from the family Cichlidae found in tropical areas of the Amazon basin and Venezuela. Apistogramma literally means "irregular lateral line" referring to a common trait of the species under this taxon...

  • List of freshwater aquarium fish species
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