Both cichlids and surfperches are sought after by humans as sources of food. Tilapiine cichlids are easy to culture artificially, and so have been introduced around the world in fishfarming ventures. They supply an important source of protein to many human populations. However, exotic tilapiines have also adversely affected native fish populations in regions where they have been introduced by humans. Cichlids are enormously popular in the aquarium trade, and help support local economies in parts of the Americas and Africa through revenues from wild-caught fish exports. Numerous strains of certain species are also cultivated in captivity.
1. Worm cichlid (Teleogramma gracile); 2. Paralabidochromis chilotes; 3. Trout cichlid (Champsochromis caeruleus); 4. Millet (Crenicichla alta); 5. Agassiz's dwarf cichlid (Apistogramma agassizii); 6. Freshwater angelfish (Pterophyllum scalare); 7. Blunthead cichlid (Tropheus moorii). (Illustration by Barbara Duperron)
1. Rainbow seaperch (Hypsurus caryi); 2. Ngege (Oreochromis esculentus); 3. Trondo mainty (Ptychochromoides betsileanus); 4. Giant cichlid (Boulengerochromis microlepis); 5. Blue discus (Symphysodon aequifasciata); 6. Speckled pavon (Cichla temensis); 7. Lepidiolamprologus kendalli. (Illustration by Barbara Duperron)
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