Which is more peaceful, Geosesarma or Metasesarma?

Hello, For a community terrarium with toads approx. 3-4cm. I have a 120x60x60cm enclosure available, for about three toads and three crabs? Metasesarma needs saltwater, so I'd simply move it to a higher level (accessible via branches, etc.), since I don't know how it would affect the toads. Which of the two types of crab…

Crab dead – cause?

Hello! I ordered a white claw crab from the website Interaquaristik on July 26th. The crab arrived safe and sound, did well in my 110 liter aquarium, shed its skin once, and ate nonstop. No problems. Yesterday, I noticed that the crab had something white hanging out of its shell. I looked online but couldn't…