Species FishLeast Killifish

Least Killifish

Heterandria formosa

CommonFish
Illustration of Least Killifish (Heterandria formosa)

The Least Killifish is one of the smallest fish species, measuring only about 2.5 cm in length. It is notable for its delicate appearance and vibrant colors.

Habitat
Prefers shallow freshwater habitats such as swamps and marshes.
Diet
Feeds on small invertebrates and detritus.
How common
Common

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