head-and-tail-light
noun
variants
or less commonly head-and-tail-light fish
: a small South American characin fish (Hemigrammus ocellifer) that is translucent green with orange-tinged black-tipped fins and shimmering red eyes and tail spots and is often kept in the tropical aquarium
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“Head-and-tail-light.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/head-and-tail-light. Accessed 1 Dec. 2024.
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