Hermit crab one takes it over. For some larger marine species, supporting one or more sea anemones on the shell can scare away predators. The sea anemone benefits, because it is in position to consume fragments of the hermit crab's meals. Other very close symbiotic relationships are known from encrusting bryozoans and hermit crabs forming bryoliths. When properly sized gastropod shells are not available, hermit crabs have been known to resort to wearing other objects such as tree nut hulls or pieces of beach litter rather than go unprotected. This has become very common in some areas, due not only to the
Stripe-throated hermit Stripe-throated hermit The stripe-throated hermit ("Phaethornis striigularis") is a species of hummingbird from Central America and north-western South America. It is generally fairly common and considered Least Concern by BirdLife International. With a total length of and a weight of , it is among the smaller species of hermits. The wing-coverts, mantle, nape and crown are dull iridescent green, the rump is pale rufous, the belly and flanks are buff, and the central underparts and throat are pale greyish brown, the latter with small dark streaks that often are faint and difficult to see. The face has a blackish "bandit-mask"