HCA: Hermit Crab Association

Answers for context: 1. What kind of substrate is used in your tank and how deep is it? 50% play sand, 50% substrate, 6” deep 2. Do you have gauges in the tank to measure temperature and humidity? If so, where are they located and what temperature and humidity do they usually read? Yes, back of tank...

Looking for more feedback! I ended up digging through the substrate and found all three crabs (since they have been down there so long and you noted they shouldn’t molt that long, I hoped I was not going to disturb the molting process and assumed they were dead). All three look happy and healthy! Th...

Do you have an update about what happened with your two crabs? I’m in a similar situation and debating my next steps.

Thank you!

I have two half coconuts, two climbing logs, and a moss covered climbing stick structure. I have some moss as well that the crabs piled up. Do you have suggestions for plants or other hiding places?

Hello! We welcomed three small purple pinchers in December 2023. The 30 gallon long tank has 6” of substrate which is a 50/50 mix of play sand and coconut substrate. I have 15 shells in the tank, salt and fresh water (with ramps and deep enough to submerge). I have 75-80% humidity and a heating pad ...