About 1" across, found in holdfast.
AKA Sea Lettuce Flea, where it indeed was found in a folded cucoon-like nest. ID as per Lamb & Hanby, p. 277.
Very red, not green, with a pale yellow stripe. About 2" long. ID as per: http://www.slosea.org/initiatives/is/invertdata.php?viewline=99
Tiny, about 1/4".
On dock; numerous.
Couple of these in the same warm puddle as the snails and the flounder.
Malacostraca is the largest of the six classes of crustaceans, containing over 25,000 extant species, divided among 16 orders. Its members display a greater diversity of body forms than any other class of animals, and include crabs, lobsters, shrimp, krill, woodlice, scuds (Amphipoda), mantis shrimp and many other less familiar animals. They are abundant in all marine environments and have also colonised freshwater and terrestrial habitats. They are united by a common Bauplan, comprising 20 body...