Stickleback
Image: E. Slinn (cc-by-nc)
NameStickleback
Scientific NameGasterosteus aculeatus
Common NamesThree-spined Stickleback, Common Stickleback, Tiddler
FamilyGasterosteidae
OriginNorthern Hemisphere, North America, Europe, Asia
Temperamentsemi-aggressive
Dietomnivore
Care Levelintermediate
Minimum Tank Size (Gallons)20
Max Size (Inches)4
Water TypeFreshwater, Brackish, Saltwater
Temperature Range (°F)50-72
pH Range6.5-8.0
Compatible SpeciesSpecies-specific tank, Other robust, cool-water fish (with caution)
Description
The Three-spined Stickleback is a small, euryhaline fish known for its distinctive dorsal spines and adaptable nature. Males exhibit complex breeding behaviors, building nests and guarding eggs. This species can inhabit a wide range of aquatic environments, from freshwater to marine.
