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Animals of Laguna de Apoyo Nature Reserve


Amphilophus chancho


Chancho cichlid

Several species of the Midas cichlid species complex (Osteichthyes: Cichlidae) are found in Lake Apoyo, Nicaragua. The largest of the group in this lake is the chancho cichlid, Amphilophus chancho. The chancho cichlid (in Spanish, "mojarra chancho") is endemic to the lake and it evolved there, and it was officially described in 2008, by Jay R. Stauffer, Jr., Jeffrey McCrary, and Karen Black. Until then, it was considered a color form or Evoluntionarily Significant Unit of the species Amphilophus citrinellus, whose recognized name in earlier literature is Cichlasoma citrinellum. To date, six species in Midas cichlid (Amphilophus citrinellus) species group have been described in Lake Apoyo, and evidence suggests that more are yet to be discovered from there.

Amphilophus chancho

Amphilophus chancho often looks at the underwater observer with both eyes, a sign of a bold predator, in sharp contrast to most freshwater fish. This is an evident adaptation to its predatory trophic position. Photo Ad Konings.


The chancho cichlid is easily seen in appropriate habitat while SCUBA diving. Nesting activity is concentrated in the dry season, when pairs may be quite easily sighted in or around nesting caves. Both members of the breeding pair guard their fry around forty days. Males are typically much larger than females in the breeding pairs. When not breeding, the chancho cichlids tend to school, in combination with other members of the Midas cichlid species complex or sometimes, as a single-species school.

chancho cichlid

This chancho cichlid is guarding her fry. All the Nicaraguan cichlids provide parental care until the fry are several weeks old. Photo Ad Konings.


chancho cichlid

This male chancho cichlid in breeding coloration was made a type specimen for the species, and is now in a museum. Photo Matthias Geiger.


Amphilophus chancho

This large male Amphilophus chancho is in breeding coloration. Photo Ad Konings.


Midas cichlid

This subadult chancho cichlid is presenting the typical coloration of nonbreeding adults, with black spots laterally over a lemon yellow base color. Photo Ad Konings.


Amphilophus chancho

Nonbreeding chancho cichlids often form schools. Photo Ad Konings.


Would you like to share your photographs of the chancho cichlid in Laguna de Apoyo Nature Reserve? Please share them with us by contacting us.


Animals of Laguna de Apoyo Nature Reserve


Our blog entry on chancho cichlid


Our blog entry on Darwin's Newest Dreampond


Genetic, behavioral, and morphological evidence of divergence in the Midas cichlid species complex


Amphilophus chancho species description


Our blog entry 1 on variegated squirrels


Our blog entry 2 on variegated squirrels


You can help us keep nature wild in Nicaragua, by volunteering your time with us or making a small donation to support our projects in wild nature conservation.




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Nicaragua Spanish Schools Amphilophus chancho cichlid

Dive Laguna de Apoyo

Amphilophus chancho, one of the fish species endemic to Laguna de Apoyo, discovered by scientists working in a GAIA project. This species is easily seen while diving in Laguna de Apoyo. Photo Ad Konings.

 

Estación Biológica Laguna de Apoyo

This baby squirrel was raised by the staff after she fell from a tree as an infant. Today she has her own family in the trees above Estación Biológica. Photo Jeffrey McCrary.

 

Nicaragua Spanish Schools

Field research is conducted on several animal and plant groups at Estación Biológica Laguna de Apoyo. Photo Jeffrey McCrary.

 

Nicaragua Spanish Schools

Spanish classes for volunteers, interns and other visitos are vital components of our educational program in Laguna de Apoyo Nature Reserve. Photo Jeffrey McCrary.

 

Proyecto Ecológico

Bird populations are monitored in Laguna de Apoyo Nature Reserve by the staff and volunteers of Estación Biológica Laguna de Apoyo. Photo Joe Taylor.

 

reptiles

The forest inside the crater in Laguna de Apoyo Nature Reserve contains dozens of terrestrial species, making the area an appropriate site for wildlife studies. Photo Jeffrey McCrary.

 

wildlife Nicaragua

Field identification of the reptiles of Laguna de Apoyo Nature Reserve. Photo Kolby Kirk.

 

Nicaragua

Scientists at Estación Biológica Laguna de Apoyo study endangered fish species in the lake. Certified SCUBA divers can accompany us on research dives where endemic fish species can be readily seen. Photo Topi Lehtonen.

 

Nicaragua

Scientists at Estación Biológica Laguna de Apoyo conduct surveys of wildlife, including resident and migratory birds. Photo Wendy van Kooten.

 

scuba dive

Animal rescue at Estación Biológica Laguna de Apoyo. Here, Gaia Director Jeffrey McCrary is accompanied by a rapidly healing variegated squirrel that was severely injured by illegal poachers. Photo Anne Sutton.