Definition: Octotemnus is a genus of marine fish in the family Cyprinidae, which includes over 250 species. This group is characterized by their elongated bodies and distinctive color patterns, often with unique markings or features that can vary greatly between individuals. Octotemnus are known for their ability to adapt to various aquatic environments, including lakes, rivers, and even fresh water sources like ponds and streams. They have a long history of being used in aquariums
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