sailfin
noun
variants
or sailfin mollie
: a topminnow (Mollienisia latipinna) of the southern U.S. and Mexico that is predominantly olive green with black markings and fins of lavender, orange, and blue and that has the dorsal fin greatly enlarged in the male
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“Sailfin.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/sailfin. Accessed 28 Nov. 2024.
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