Pygidiidae

noun
Py·​gi·​di·​idae | \ ˌpījəˈdīəˌdē \

Definition of Pygidiidae

in some classifications
: a family of usually small and often parasitic South American catfishes that lack an adipose fin and have the dorsal fin located far back toward the tail

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History and Etymology for Pygidiidae

New Latin, from Pygidium, type genus (from Greek pygidion) + -idae

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Cite this Entry

“Pygidiidae.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/Pygidiidae. Accessed 27 Jul. 2021.

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