sentences:  Longfin sawtail catshark
  
  The longfin sawtail catshark ("Galeus cadenati") is a rare, little-known species of catshark, part of the family Scyliorhinidae.Once thought to be a subspecies of the roughtail catshark ("G. arae") along with the Antilles catshark ("G. antillensis"), it inhabits deep water off the Caribbean coasts of Panama and Colombia.