Kebnat
FISH

Threespine Stickleback

Gasterosteus aculeatus

Fish
NativeMigratory
Threespine Stickleback, photo 1 of 5
Threespine Stickleback, Juvenile
Threespine Stickleback, Male
5.1–11 cmLength
8 yearsLifespan

Fish 5.1–11 cm long. Migratory. Lives near water and on the coast. Feeds on animal prey.

There are 4,993 observations of Threespine Stickleback in Québec, mostly in Côte-Nord, Gaspésie–Îles-de-la-Madeleine and Montérégie, and it has been reported in 14 of the 17 regions. They peak in June and July and become rare from October to April.

Through the year

JFMAMJJASOND

Where to see it

  1. Côte-Nord2,274
  2. Gaspésie–Îles-de-la-Madeleine943
  3. Montérégie569
  4. Lanaudière249
  5. Bas-Saint-Laurent241
  6. Centre-du-Québec221
  7. Mauricie218
  8. Capitale-Nationale81
  9. Montréal64
  10. Chaudière-Appalaches54
  11. Nord-du-Québec33
  12. Saguenay–Lac-Saint-Jean21
  13. Outaouais17
  14. Estrie8

Habitat

Water’s edgeGogerr
ShorelineGilles Douaire
At seaNichole Ouellette

Similar species

Ninespine SticklebackPungitius pungitius
Brook SticklebackCulaea inconstans
Fourspine SticklebackApeltes quadracus
AlewifeAlosa pseudoharengus
Largemouth BassMicropterus nigricans
Banded KillifishFundulus diaphanus
MummichogFundulus heteroclitus
Atlantic HerringClupea harengus
Yellow PerchPerca flavescens
Coho SalmonOncorhynchus kisutch
BluegillLepomis macrochirus