Why are sponges bad for hermit crabs?

Natural sea sponges are NOT bad for hermit crabs. In fact, they are a great food source. “But your website says not use to use sponges!” Yes. It does. However, there is some need for clarification…

Blue Leg Hermit Crab, Medium - Clibanarius tricolor - 12 and 50 Lots

Is it more harmful for a hermit crab to have a painted shell or a

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Purpose of sponges? : r/hermitcrabs

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Hermit Crab Sea Sponge (All Natural Hermit Crab Sponge)

File:Hermit crab in hermit crab sponge pagurus impressus.jpg

The Happy Hermit Crab

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