The bignose shark ("Carcharhinus altimus"), also known as the Knopp's shark, is a species of shark in the genus "Carcharhinus", family Carcharhinidae. This species reaches a maximum length of 9.8 feet (3 metres), and can weigh as much as 370 pounds (168 kg). It is found in tropical and subtropical regions, along the edges of continental shelves and insular slopes, at depths of up to 1,410 feet (430 metres).