Tailfins set B (end of tail):
Make two black, or make one black, one red. Red goes on the left side of tail when the tail is facing you.
Row 1: Ch 5, work sc in 2nd ch from hook, sc in next 2 ch, inc in last ch; ch 1 and turn (5sc)
Row 2: sc in first 3sc, sc2tog in last 2 sc. ch 1 and turn. (4sc)
Row 3: sc in first 2sc, sc 3 in next sc, ss (slip stitch) to last sc. Place 2 more ss through ends of previous rows to form the curved shape at the end of the fin. Fasten off and attach to tail.