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Old 06/15/2021, 02:10 PM   #1
five.five-six
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How many hermit crabs?

How many hermit crabs should I put in my tank? I just added 250 small-med and am wondering if that was too many.


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Current Tank Info: SCMAS Member 225 peninsula euroreef RS180 Apex 400W X 3 20k radiums / Spectra mixed SPS
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Old 06/15/2021, 02:27 PM   #2
sorinwilcox
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Wow that is a lot of hermit crabs! I guess it all depends on how much alage you have. I have heard 1 per gallon, but that seem like a good start.
It will be the thunder dome when they all start needing new shells

What type did you get?

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Old 06/15/2021, 04:00 PM   #3
Sk8r
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I usually go with about 10 to 20 in a hundred gallon tank. But if you have too many, just trade them back to your lfs for, oh, fish food or whatever.


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Salinity 1.024-6; alkalinity 8.3-9.3 on KH scale; calcium 420; magnesium 1300, temp 78-80, nitrate .2. Ammonia 0. No filters: lps tank. Alk and cal won't rise if mg is low.

Current Tank Info: 105g AquaVim wedge, chromis, royal gramma basslet, tailspot blenny, ocellaris clown, yellow watchman, chestnut turbo snails, bristleworms, couple of hermits.
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Old 06/17/2021, 02:10 PM   #4
Haunt
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4 Scarlet hermit crabs.
keep track of your friends.


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Old 06/20/2021, 01:09 PM   #5
billdogg
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I'll only have the scarlet reef hermits in my systems. I currently have 1. It's someplace around 25 years old I think. At least I got it before I got married in 2001. The others all tend to be a little too opportunistic when it comes to feeding time.


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Current Tank Info: 120 mixed reef with 40b sump, RO 150 skimmer, AI Sol Blue x 2, and a 60g Frag Tank with 100g rubbermaid sump. 2 x Kessil A360w lights, BM curve 5 skimmer
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