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spiny-finned

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Definition of spiny-finned

: having fins with some spiny rays —opposed to soft-finned —used of members of the Acanthopterygii

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“Spiny-finned.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/spiny-finned. Accessed 18 Jan. 2021.

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