Species FishBrook Stickleback

Brook Stickleback

Culaea inconstans

CommonFish
Illustration of Brook Stickleback (Culaea inconstans)

The Brook Stickleback is a small fish with a slender body and sharp spines along its back. Notably, it can exhibit a range of colors depending on its habitat and breeding condition.

Habitat
Prefers shallow, vegetated areas of streams and ponds.
Diet
Feeds on small invertebrates and zooplankton.
How common
Common

Recent Brook Stickleback sightings near you

Live, research-grade observations from iNaturalist. Allow location to center the map on you.

Spot a Brook Stickleback? Identify it instantly.

Point Huck at any plant, bird, or animal for an instant ID, its rarity, and a live map of where it is being seen near you.

Get Huck

Get an alert when a Brook Stickleback is spotted

Pick a park, state, or city and we’ll email you when one turns up there. One check a day, only when there’s something new.

Free. Unsubscribe from any email. See our Privacy Policy.

Love fish? Get Huck field notes

Spotting tips, new species, and the best of what people are finding in the wild - straight to your inbox.

By subscribing you agree to receive Huck emails. No spam, unsubscribe anytime. See our Privacy Policy.

More fish

Brook Trout
Brook Trout
Salvelinus fontinalis
Brown Bullhead
Brown Bullhead
Ameiurus nebulosus
Brown Chromis
Brown Chromis
Azurina multilineata
Brown Meagre
Brown Meagre
Sciaena umbra
Brown Tang
Brown Tang
Zebrasoma scopas
Brown Trout
Brown Trout
Salmo trutta
Brown Wrasse
Brown Wrasse
Labrus merula
Brownspotted Wrasse
Brownspotted Wrasse
Notolabrus parilus