Belonging to or relating to the same genus; describing organisms that share the closest taxonomic category.
From Latin 'congeneri-' (of the same kind) plus '-ic' suffix. Became standard in biological and taxonomic literature during the 19th century.
When biologists find congeneric species living in the same area, it tells them something fascinating—usually they've evolved differently to avoid competing for the same resources, a principle called character displacement.
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