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
Spider fighting tournament, with the last two victorious spiders fighting each other in the finale. Spiders used in spider derbies in Singapore come from the species "Thiania bhamoensis" (also called "Fighting Spider"), a jumping spider. The practice has been the subject of a memoir entitled "Spider Boys," and a popular television series in Singapore called "Fighting Spiders." Capturing, admiring, nurturing, and staging fights among these spiders is a popular activity among many young people. The practice had a relatively large financial impact on those young people who participate in these practices both because of the sale value of a strong contender and