some Information on Horseshoe Crabs Please

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Oldmano

Feeder Fish
MFK Member
Mar 1, 2008
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Canada
I have been considering buying a horseshoe crab I saw for 15$, however I know next to nothing about caring for them. I've tried getting information off the net, but there seems to be very little about actually caring for them in an aquarium. So I have a couple of questions regarding caring for them.
-Are they saltwater? Are there any Freshwater types?
-How large do they generally grow?
-What do they eat?
-Any special requirements on keeping them?

Thanks in advance.
 
My buddy had a saltwater one and he would see it like once every few months as it diggs into the sand and lives under the sand till they become adults or so he says.
 
Salt. Common species on the east coast is Limulus polyphemus. Adult females 60+ cm. They eat pieces of fish. We feed them market shrimp and capelin at the NYA.
 
Mine loves scallops.

Do NOT keep with puffers.... I found out the hard way...... Now I only have 1.

Highly doubt they will come even close to max size in a home aquarium.
 
Is it difficult to keep them? When I get my new aquarium I will have an extra 40 Gallon lying around, and hope to make is saltwater . It would be my first try at a saltwater tank. Would it be too difficult to keep as a first try?
 
I'm not sure on difficulty. I just got mine and had to move it so the meds for my sick fish don't kill it. The thing is stuffed in a 20 gal.

I really don't know much about them as I didn't plan on getting it and all my free time is going to trying to figure out how to cure the sick fish.

I do know they look like the result of a breeding project involving stingrays and cockroaches probobly done by the men in black.
 
horseshoe crabs r millions of years old n i think ususally live like a year in a tank completly SW
 
I do not think you will be successful long term with one in a tank that is not really large.
 
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