However, Nakaya and Sato (2000) recommended that the status of the species be reviewed once additional specimens are available, citing the possibility that the dorsal fin of the holotype may have been malformed. The reproduction of the smalldorsal catshark is oviparous.
Nakaya and Sato (2000) recommended a re-evaluation of the species status once additional specimens were collected, suggesting that the holotype's dorsal fin may have been malformed.  The smalldorsal catshark reproduces via laying eggs.