Definition of stickleback in English:

stickleback

Line breaks: stickle|back
Pronunciation: /ˈstɪk(ə)lbak
 
/

noun

A small fish with sharp spines along its back, able to live in both salt and fresh water and found in both Eurasia and North America.
  • Family Gasterosteidae: several genera and species, including the common and widespread three-spined stickleback (Gasterosteus aculeatus)
More example sentences
  • Such video techniques have been particularly effective in female mate choice studies in fishes, including guppies, sticklebacks, and swordtails.
  • Although Daphnia are not used by humans as a food source directly, they are involved in many of the foodchains necessary to sustain fish that we consume or use commercially such as sticklebacks, minnows and young Sockeye salmon.
  • There are also rudd, bream, eels, gudgeon, crucian carp, tench, minnows, perch, sticklebacks, the odd trout, pike and barbel present.

Origin

late Middle English: from Old English sticel 'thorn, sting' + bæc 'back'.

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