Heterandria formosa
Least Killifish
One of the smallest fish in North America. It lives in slow, shallow water and gives birth to live young instead of laying eggs.
Biomes This Species Lives In
Follow this species across the habitats where it currently appears in the miniBIOTA biosphere.
Creeping Primrose Willow Turns From Solution to Problem
Ecological Web
Documented food-web, habitat, competition, nutrient, behavior, and risk relationships for this species.
Relationship Layer
Energy Flow
Least Killifish
Algae grazer and small-invertebrate predator
Feeds on
General Ecology
Historical
Small aquatic invertebrates
animal_material
Least Killifish are represented as historical small-invertebrate predators in the Freshwater Lake.
Least Killifish profile supports small-invertebrate predation; source-subject rows document a small female/juvenile population context.