Tall or long tank?

[Dom :)]

I saw some people who had the tall hexagon/just plain tall tanks. They look interesting.

I want to get a new tank for the tank at my mom's house when I have more money, right now it's just a 10 gallon. I either want to get a 20 gal or a tall tank- not sure what sizes they come in. What do you all think?

Do you think the crabs will prefer having room to crawl up more or walk down more?

[isadoraisacat]

More horizontal space. For walking. you can always set up a topper for more vertical space.

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[Rawrgeous]

That depends on how many crabs you plan on housing. It's basically a trade of between molting space and climbing space. That being said, your molting space decides your tank capacity.

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[Crabinski]

A good compromise in the not-too-large tank range is the 29g. It has the same footprint as a 20L (30x12) but is 6" taller (18 vs 12). With a substrate depth of 8", there's still quite a lot of room for second levels and lots of climbing features.

[LadyJinglyJones]

I'd rather keep fewer crabs, knowing that they have lots of above ground climbing options - but its always a trade-off, unless you get a custom tank!
So I'd say I lean towards taller, though probably not hex-tank ratios of sub-to-hight.

Oh, and this is my fave standard tank sizing page:

http://www.aquariumdimensions.com/