Revere Beach -- plus -- plant id help?

[urbpan]

An unknown succulent plant on the beach.





Any guesses?



I saw a gull eating something and I had to see what it was--it was a dead dogfish!



Their egg-cases were all over the beach, but I hadn't seen the animal in person before.

Comments

[(Anonymous)]

http://www.glaucus.org.uk/Mermaid.htm

...Mermaid's Purses, containing the eggs or young of the Lesser-spotted Dogfish...