Question: how big are wels catfish?
Answer: Wels Catfish is one of the world's largest freshwater fish species, with individuals often reaching lengths of up to 300 cm (3 metres), and weights of up to 150 kg (although typically, Wels Catfish range in size from 1.3–1.6 m long, and weigh 15–20 kg (33–44 lb).