Aren't hermit crabs nocturnal...?

Where we discuss the behavior of our hermit crabs, as in fights, pecking orders, shell swaps, etc. Please post all naked-crab posts in the Emergency forum.
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FJrocks003
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Aren't hermit crabs nocturnal...?

Post by FJrocks003 » Tue Jun 16, 2020 4:52 pm

So, for the past few days my crabs have been acting weird. They have been huddled together all night but then roaming the tank, climbing, digging, eating, and soaking in the day. I'm not sure what caused this, any ideas?
Proud owner of two snakes, one dog, too many fish, and 3 hermit crabs.

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CrabbyLover77
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Re: Aren't hermit crabs nocturnal...?

Post by CrabbyLover77 » Tue Jun 16, 2020 5:01 pm

I don't think I'd worry too much. My biggest crab can be seen out and about at night and during the day. My second largest crab also comes out during the day, just not as much as my big one. The shyer crabs seem to stick to nighttime to come out to eat and explore.

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curlysister
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Re: Aren't hermit crabs nocturnal...?

Post by curlysister » Tue Jun 16, 2020 6:23 pm

My crabs have never been only nocturnal. They are out and about at various times of the day and the night.
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Re: Aren't hermit crabs nocturnal...?

Post by GotButterflies » Thu Jun 18, 2020 1:24 am

Hermit crabs are actually diurnal - especially during the spring and summer months. That's when breeding occurs.
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Vitalik_Miron
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Re: Aren't hermit crabs nocturnal...?

Post by Vitalik_Miron » Thu Jun 18, 2020 7:39 am

My hermit crabs usually awake at 6-7 pm, make their crabs business till 11, then go to rest and awake at 3-4 a.m. So i think it's normal for them to be active not only at night

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