Maybe an upgrade?? Sizing help

[Theresa Howard]

I currently have 5PP and 2 unknown crabs. 3-4 are large (not 100% on how to size them correctly I'm newish to the crabs) and the others are medium. I have 2 tanks, one 37 tall and a 40 breeder, all of the crabs are in the 40 because the other was given to me with 4 crabs and wasn't adequate for the crabbys health. I haven't had time to set it back up and I will be moving quite soon so moving 1 tank is enough. My question is how big of a tank will I need to house all 7 crabs happily? The sizing chart I have says 7 large can be in a 40gal but that seems a bit crowded to me. I'd like them to have room to play. Any suggestions?? I don't have tons of room for a huge tank but an upgrade would be wonderful. Thank you in advance!!

[Crabadoo2]

No one has replied yet and I’m no expert, but something along the lines of 60 gallons may be better for them


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[CrabbyLover77]

I have 7 crabs in a 55 gal (48" x 13" x 21"), although there's one crab I haven't seen in a very long while. They have a ton of climbing space, hiding areas, and shell shops, so it seems to work. But I say go as big as you have room for!

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[Theresa Howard]

I know they are crowded now. I just really didn't want them in the calcium sand any longer. (I did quarantine them for 2wk) I was thinking along the lines of a 75gal. I definitely have the space for it and it seems like they would have growing room. Where should I be looking for a new tank. FB market place... Craigslist? Anyone know the details on Petco's $1 per gal sale?? I'd rather not spend $200+ on a tank. I've looked into a 55gal tank. I would actually loose floor space if I went from my 40 breeder to a 55.