Ochridaspongia rotunda

Ochridaspongia rotunda
Scientific classification
Domain: Eukaryota
Kingdom: Animalia
Phylum: Porifera
Class: Demospongiae
Order: Spongillida
Family: Malawispongiidae
Genus: Ochridaspongia
Species:
O. rotunda
Binomial name
Ochridaspongia rotunda
Arndt, 1937

Ochridaspongia rotunda is a freshwater sponge endemic to Lake Ohrid. This sponge is found mostly at depths of 30–50 m and water temperatures of 6–8 °C. Its circular shape indicates that the animal lives under conditions of relatively calm water.