Crab acting strange

[Coralstrr]

Garby our first hermit crab is acting odd. He was alone for a long time before we adopted him. I purchased two new crabs over the weekend. I only have one heat lamp so I put a ok in my tank for an iso. He has seriously been trying to dig between the Iso and the wall of the tank since last night I took him outta there twice because he looked stuck I have no idea what he could want over there. I put put fresh food in and he ignored to try to get in that spot.

[Rocky]

Hermies do like to tunnel around other structures, it keeps their tunnels better supported and makes them feel safer That's why they often tunnel under water/food bowls or if you have a hidey, you might find crabs dug under the hidey. It's also possible he got a whiff of the new guys and is curious to see them Even in a large tank, all the current crabs will know a new guy has been added by smell (When I re-introduced Moose to my 60g, about 7 crabs came out of hiding to greet him and push him around )