Scuba dive off Point Loma, April 16, 2017
=> click on the thumbnail image to see the original larger image <=

slug Hermissenda opalescens
and blood star Henricia leviuscula

parasitic copepods
on a giant keyhole limpet Megathura crenulata

the white vee-shaped 'legs' are egg sacs from the copepod which is embedded in the flesh of the limpet

slug Berthella californica

slug Flabellina trilineata

rock scallop Crassadoma giganteus
and strawberry anemones Corynactis californica

you can see two of the scallop's eyes on the rim of its shell

slug Doriopsilla albopunctata

hermit crab
in a Kellet's whelk shell

slug Cadlina limbaughorum

strawberry anemones
Corynactis californica

blood star Henricia leviuscula

mantle and water exhaust hole
of a giant keyhole limpet Megathura crenulata

keyhole limpets have a hole at the off-center apex of the shell, whereas true limpets have it centered