We find this amphipod amoung blades of the green alga Ulva, low intertidal, where it is beautifully camouflaged. Note the prominent compound eye. The bright red color is due to the visual pigment rhodopsin, present in all known animal photoreptors.
This female skeleton shrimp is climging to a red alga. She is brooding her young in the red dotted marsupium. Here five juveniles are climbing over their mother.
These are tube dwelling, nonnative amphipods introduced into harbors by shipping. Adult males, such as this one, leave the safety of their tube to cruise about in search of a receptive female.
