A genus of small freshwater and marine crustaceans commonly called scuds, amphipods, or freshwater shrimp.
Named from the Greek letter gamma (Γ) because the creature's body is curved like the letter; the genus was established in scientific taxonomy in the 1700s.
Scientists named these creatures after the Greek letter gamma because of their hunched, comma-like shape—a perfect example of how observation leads to clever naming that helps us remember what something looks like.
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