pencil fish

noun

Definition of pencil fish

: a small slender South American topminnow (Poecilobrycon auratus) that is sometimes kept in the tropical aquarium and is golden brown with gold, brown, and black stripes running the length of the body and a red spot on the anal fin

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Cite this Entry

“Pencil fish.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/pencil%20fish. Accessed 23 Nov. 2020.

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