Zzzzz. Scouting for a new home isn't fun at all. There is SO much to consider when looking for a new place to stay. Especially when you're planning to buy the place instead of renting.
As hermit crabs grow they require larger shells. Since suitable intact gastropod shells are a limited resource, there is frequently strong competition among hermit crabs for the best available shells. The availability of empty snail shells at any given place depends primarily on the relative abundance of gastropods in the right range of sizes, compared to the demographics of the population of hermit crabs.
An equally important issue is the frequency of organisms which prey upon gastropods but leave the shells intact. A hermit crab with a shell that is too small cannot grow as fast as hermit crabs with well fitting shells, and is more likely to be eaten as it cannot withdraw completely into the shell.
An equally important issue is the frequency of organisms which prey upon gastropods but leave the shells intact. A hermit crab with a shell that is too small cannot grow as fast as hermit crabs with well fitting shells, and is more likely to be eaten as it cannot withdraw completely into the shell.
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