Taxonomy
- Kingdom
- Animalia
- Phylum
- Chordata
- Class
- Actinopterygii
- Order
- Siluriformes
- Family
- Siluridae
- Genus
- Silurus
- Species
- biwaensis
Habitat
The Eurasian Catfish is endemic to Lake Biwa in Japan,
Diet
Silurus biwaensis primarily feeds on smaller fish, crustaceans, insects, and occasionally amphibians or mollusks. It is a nocturnal predator that uses its barbels to detect and capture prey in low-light conditions, often ambushing from hiding spots on the lake bottom.
Behavior
This species is primarily nocturnal, spending days hidden in underwater crevices or vegetation and becoming active at night to hunt. It exhibits solitary and territorial behavior, especially during spawning season, and is known for its ambush predation style in freshwater environments.
Conservation Status
Listed as Not Evaluated by IUCN.