Unarmored threespine stickleback (Gasterosteus aculeatus williamsoni)

Scientific name: Gasterosteus aculeatus williamsoni Girard, 1854

The Unarmored threespine stickleback (Gasterosteus aculeatus williamsoni) is a freshwater fish of the family Gasterosteidae. Native range: North America, southern California, USA.

Biology

Males build, guard and aerate the nest where the eggs are deposited.

Source: FishBase, licensed CC BY-NC 4.0.

Species facts

Scientific name
Gasterosteus aculeatus williamsoni
Family
Gasterosteidae (Sticklebacks and tubesnouts)
Order
Gasterosteiformes (Sticklebacks and Seamoths)
Class
Actinopterygii (Ray-finned fishes)
Environment
Marine; freshwater; brackish; benthopelagic
Climate
Subtropical
Distribution
North America: southern California, USA.
Conservation status (IUCN)
Not Evaluated
Threat to humans
Harmless
Uses
Aquarium: public aquariums
Resilience
High, minimum population doubling time less than 15 months (Preliminary K or Fecundity.)

Sources

Taxonomy, distribution and biology data: FishBase (Froese, R. and D. Pauly, eds.), licensed CC BY-NC 4.0.

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