Chain Catsharks

  • We are currently upgrading MFK. thanks! -neo
I came across these the other day in a random bout of Googling/Wikipedia-ing...is it possible to keep these in captivity? They remind me a lot of the red tailed boas I used to keep when I bred snakes (that pattern is very close to the pattern on a BCI/BCC). What size tank would an adult need considering their adult size of about 18" max and the fact that they aren't constant swimmers? What about feeding? Would a chiller be able to keep the water cold enough? If they're a deep water species, will they be negatively affected by the lack of pressure in a tank?
 
Lots of them are kept very well in captive settings. They are like most sharks - and require a lot of time, money and space. Cold water sharks have that added temp requirement that needs to be met as well. I'd still go several hundred gallons and the biggest foot print you can give them. Though they don't NEED to swim, they do swim a lot at night. They have a pretty typcial 'shark' diet, and do well on bigger krill (superba), clam, fish etc... Be ready to have a tank in the mid 50F temp range.
 
With these guys it's not only about enough filtration, but about enough water volume to offset them. As far as them getting along, they should be fine.
 
Keeping a large tank in tank in the mid 50s isnt going to be cheap. The California Rounds are not usually in 55 degree water for long, better for them in the mid 60s long term.
 
I don't think it should be too hard with two-three chillers and decent insulation. I keep my house at 65 degrees both during winter and summer, and I'm in Wisconsin so we don't get too warm here. I also don't pay any utilities, it's all included in my rent, and I'm extremely electro-conscious -- the only things running while I'm home are my current tank, my laptop, 2 livingroom lamps, the TV, and the humidifier. My landlord owns a construction company and the other half of the building I'm in contains his offices and equipment, so we share one electric meter and there's no way to distinguish who uses what.

Is there a manufactured tank large enough or would I have to build one?
 
You would probably have to build one or have a large tank made for you with thicker acrylic to help with temp control. (A company like Tenecor would be a good place to start).
 
Fishfinder had 2 of his sharks hatch recently. They are doing well and eating mysids.

THere is a state owned public aquarium on the coast that has some of these sharks. Their water supply is filtered harbor water, so the temp varies from 60's in the summer to low 40's in winter. I believe they have some captive born pups as well.
 
Thanks for putting up the update for me Jason :)

Here is a pic of my two new sharks.

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