这个词是什么意思？
A freshwater fish used as an experimental organism and for food. This genus of the family Cichlidae (CICHLIDS) inhabits Central and South America (one species extends north into Texas), West Indies, Africa, Madagascar, Syria, and coastal India.
中文名称索引；定义为 MeSH 英文原文，尚未逐条译审。MESH:D017210 · MeSH 2026。
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