casing-and-cord Posted on September 26, 2016 | 186 × 187 | Posted in Return to Denise Harrington: Spotlight on a Blacktip Shark, September 24, 2016 ← Previous Next → You can see the umbilical cord coming from between the pectoral fins. This pup is in transition, getting less nutrients from the yolk and more from the mother. Related Trackbacks are closed, but you can post a comment.