hermit crab

US /ˈhɜːr.mɪt ˌkræb/
UK /ˈhɜːr.mɪt ˌkræb/
"hermit crab" picture
1.

cangrejo ermitaño

a crab that lives in a discarded mollusc shell to protect its soft abdomen, often changing shells as it grows

:
The child watched a hermit crab scuttle across the sand.
El niño observó a un cangrejo ermitaño corretear por la arena.
Many species of hermit crabs are found in tropical waters.
Muchas especies de cangrejos ermitaños se encuentran en aguas tropicales.