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Not the usual crab!

General forum for the discussion of marine hermit crabs (MHC) and their care, including saltwater tank conditions and maintenance. This is also the place for any topics and questions involving other types of aquatic, semi-aquatic and true land crabs that are not Coenobita species.

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Not the usual crab!

PostAuthor: aussieJJDude » Wed Aug 15, 2018 3:44 am

Very exciting to introduce my new colony of Australian Freshwater Micro Crabs - amarinus lacustris! They small freshwater crabs (carapace is around 1cm - half an inch - wide), and will breed in freshwater... shrimp and fish safe. However is known to prey on small snails!

Floating in the bag:
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Transition container - to capture and transport to aquarium... was worried in handling them with hands, but they dont pinch at all!
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In tank pics!
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Re: Not the usual crab!

PostAuthor: wodesorel » Wed Aug 15, 2018 4:37 am

Oooh, they are so neat! Congrats on the new additions!
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Re: Not the usual crab!

PostAuthor: aussieJJDude » Wed Aug 15, 2018 5:04 am

Ty, they are pretty neat. Been looking for them for the past - 5 - years... when i saw someone selling them, had to jump on the chance!

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Re: Not the usual crab!

PostAuthor: piratetoothgir » Wed Aug 15, 2018 8:07 am

Freshwater crabs are super interesting, and fun to watch!
Congratulations on the new guys! :)
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Re: Not the usual crab!

PostAuthor: GotButterflies » Wed Aug 15, 2018 9:06 am

Very cool! Thanks for sharing!
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Re: Not the usual crab!

PostAuthor: aussieJJDude » Wed Aug 15, 2018 6:11 pm

Ty both! Very intertaining, and really fuzzy as well! And seeing them swim, is adorable!

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Re: Not the usual crab!

PostAuthor: Orin » Sun Aug 19, 2018 8:53 pm

Wish we had those available in the states. We can get the Thai micro crabs which look a little similar but would fit inside the claw of one of those and so are very difficult to see even with good eyesight.
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Re: Not the usual crab!

PostAuthor: aussieJJDude » Sun Aug 19, 2018 9:00 pm

Orin wrote:Wish we had those available in the states. We can get the Thai micro crabs which look a little similar but would fit inside the claw of one of those and so are very difficult to see even with good eyesight.
I thought the Thai micros were small... but not that small!


After having them for nearly a week - all seem to be doing well, they really only come out at evening/lights out (all come out after dark) but I've counted 7 so they all seem to doing well.

My MTS colony that I had in this tank is completely wiped out unfortunately, which is a bit of a shame since I enjoy having my snails. I'll end up just having my snails in the filter, and when cleaning keep a few in there to breed and move the rest to the 'main tank' or my other aquarium... So if you dont like snails, get these guys.

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