HCA: Hermit Crab Association

What size if shell opening do crabs max out at? is 3inch possible?


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To be honest it depends on the species for example indos would take up about 4 inches however ruggies may only take up half that . If you raise a pp to full size however, 3inches is about right


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123AE wrote:To be honest it depends on the species for example indos would take up about 4 inches however ruggies may only take up half that . If you raise a pp to full size however, 3inches is about right


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Yeah I'm talking about a PP. have you ever seen one that size??


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Couldnt imagine a 3" opening PP! What a bruiser!

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When I was a teenager a pet store we went to had a hermit crab that was the size of a cantaloupe. It was huge. It wasn't for sale though.

CrabMater wrote:Couldnt imagine a 3" opening PP! What a bruiser!

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Haha yeah I'm trying to figure out if the person telling me about it is being honest or if they're maybe exaggerating a little! ;p


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GotButterflies wrote:When I was a teenager a pet store we went to had a hermit crab that was the size of a cantaloupe. It was huge. It wasn't for sale though.

Do you think it could've been an indo? or a marine crab?


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I remember it being colorful. It was a land crab.

Edit: by being colorful - like it was just caught. I'm sure it wasn't that vibrant in captivity.

purpleperson wrote:

123AE wrote:To be honest it depends on the species for example indos would take up about 4 inches however ruggies may only take up half that . If you raise a pp to full size however, 3inches is about right


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Yeah I'm talking about a PP. have you ever seen one that size??


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I've had my largest who has about a 2inch opening for 3 years and he was tiny when I got him it's pretty scary to think of what he'll be like soon


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My largest and border
One jumbo, tom


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Beautiful crab! I recently gave a jumbo to a friend - he was about that big..if not bigger! We named him Goliath. I found him at a shell shop. Couldn't bear to see him be purchased to go in a horrid kk.

GotButterflies wrote:Beautiful crab! I recently gave a jumbo to a friend - he was about that big..if not bigger! We named him Goliath. I found him at a shell shop. Couldn't bear to see him be purchased to go in a horrid kk.

Yeah it's really horrible to see a creature that has lived that long and grow so big slowly die. I remember one time this guy stated in a shell for soooo long and eventually he wore a hole in it and had to leave




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123AE. ... oh my gosh, he gorgeous!

I seriously hope I can get all my crew to that size. My partner has no idea how much we're going to spend on shells yet.

LadyJinglyJones wrote:123AE. ... oh my gosh, he gorgeous!

I seriously hope I can get all my crew to that size. My partner has no idea how much we're going to spend on shells yet.

I'm already preparing my arguments

I figure, my crabs will never need shots, see the vet, need licenses, medicines, or vaccinations, or surgery for escaping the fence and getting hit by a car, no fence reinforcement bills, and no second dr bill for replacing the cast she tore herself out of to burrow under the fence again after the first reinforcement effort was completed, no obedience school training, etc. Some of my family's dogs have not been very bright.

I think I could come up with a really great cost/benefit analysis

This is my biggest guy, Hermie (named by the 5 year old who wanted me to take him as he realized he was scared of him)
His shell opening is 2 1/4". I honestly always thought that PPs maxed out at 2 1/4" or 2 1/2". I'm asking as someone recently told me they have a crab with a 3" opening or bigger and I am very skeptical lol



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