Narrowmouthed Catshark
Schroederichthys bivius
- Least concern
- Card rarity: Common
- Sharks and rays

The narrowmouthed catshark is a coloured catshark belonging to the family Atelomycteridae, found from central Chile around the Straits of Magellan, to Argentina between latitudes 23° S and 56° S, at depths down to about 180 m (600 ft) in the Atlantic Ocean and about 360 m (1,200 ft) in the Pacific. It can grow to a length of up to 70 cm (28 in). The reproduction of this catshark is oviparous.
Classification
- Class
- Chondrichthyes
- Order
- Carcharhiniformes
- Family
- Atelomycteridae
- Genus
- Schroederichthys