darter

UK: /ˈdɑːtə/ US: /ˈdɑrtɚ/ ,(där′tər)

WordReference Random House Learner's Dictionary of American English © 2025

dart•er /ˈdɑrtɚ/   n. [countable]

1. a person or thing that darts.
2. Fish a small, darting, colorful fish, a North American perch.

WordReference Random House Unabridged Dictionary of American English © 2025

dart•er  (där′tər), n. 

1. a person or thing that darts or moves swiftly.
2. Birds anhinga.
3. Fish any of several small, darting, freshwater fishes of the perch family, inhabiting streams of eastern North America.

• dart + -er¹ 1555–65

Collins Concise English Dictionary © HarperCollins Publishers::

darter / ˈdɑːtə/ noun

1. Also called: anhinga, snakebird any aquatic bird of the genus Anhinga and family Anhingidae, of tropical and subtropical inland waters, having a long slender neck and bill: order Pelecaniformes (pelicans, cormorants, etc)
2. any small brightly coloured North American freshwater fish of the genus Etheostoma and related genera: family Percidae (perches)