Dictionary.com
Thesaurus.com

stickleback

American  
[stik-uhl-bak] / ˈstɪk əlˌbæk /

noun

  1. any of the small, pugnacious, spiny-backed fishes of the family Gasterosteidae, inhabiting northern fresh waters and sea inlets, the male of which builds and guards the nest.


stickleback British  
/ ˈstɪkəlˌbæk /

noun

  1. any small teleost fish of the family Gasterosteidae, such as Gasterosteus aculeatus ( three-spined stickleback ) of rivers and coastal regions and G. pungitius ( ten-spined stickleback ) confined to rivers. They have a series of spines along the back and occur in cold and temperate northern regions

"Collins English Dictionary — Complete & Unabridged" 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

Etymology

Origin of stickleback

1400–50; late Middle English stykylbak, equivalent to Old English sticol scaly + bæc back 1

Example Sentences

Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.

This led to more fish dying, including spined stickleback and eels.

From BBC • Nov. 11, 2024

One stickleback will begin approaching, then wait to see whether another will approach a little closer.

From Scientific American • Oct. 20, 2023

In Big Bear Valley, burros pose the greatest threat to such rare and endangered species as Big Bear checkerbloom flowers, slender-petaled mustard plants, and the unarmored threespine stickleback fish.

From Los Angeles Times • Sep. 17, 2023

It opened in 1934 near the Ballard Locks, featuring Alaska stickleback, pipe fish, yellow-banded perch, blennies and cultus cod, according to HistoryLink.

From Seattle Times • Oct. 28, 2022

So with the glowing incandescence of the stickleback and its polished scales of silver.

From The Kempton-Wace Letters by London, Jack