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  1. Central American Cichlids
    Hey new to having convict cichlids, and just wondering why two of them have dug and spit out rocks from one of the aquarium decor. They both seem to stay close by and get very aggressive towards any other fish coming near there area. Once in awhile the smaller of the two will swim away but not...
  2. General Aquaria Discussion
    Cryptoheros nanoluteus. Photo by Dave Hansen Cryptoheros nanoluteus is a small cichlid from the fast moving rivers of Panama. It is sometimes called the yellow convict and is found in the same habitat as the better known convict cichlid (Amatitlania nigrofasciata). As popularity goes, these two...
  3. Illness, Health & Nutrition
    Convict cichlids. Photo by Deanpemberton CC BY-SA 3.0 A study involving Amatitlania nigrofasciata, commonly known as the convict cichlid, has shown a flaw in past aggression studies. It seems that some fish aren't so easily fooled by their own reflections. Mirrors have been used in studies to...
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