id of unknown shrimp and crab

[L0rdDracula]

Hi, anyone have any idea what is this two creature?? Are this reef safe??

[L0rdDracula]

This is the second creature

[JMW]

Can't see the first pic..

second pic seems to be some type of spider crab, they are scavengers, mainly. I would quarantine it to be safe.

[pcw]

This is the second creature

Looks like a squat lobster to me. Closely related to crabs. Not sure if it's reef safe or not.

[L0rdDracula]

Thanks for the replies~ here is the first photo... recently many interesting inverterbrates...