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Please please please don't just start rattling off random information that you have only read online, I appreciate any help however I've already trawled the forums for information and now I'm looking for actual shark owners to help me avoid making any bad, uninformed decisions.

Okay guys, I am about to start preparing my first decent sized Marine tank. And I'm planning on putting a pair of cat shark in there. Preferably coral but I dare say that I'll be more likely to find an Australian marble. I don't need to worry about sourcing the sharks just yet (however any help there would also be greatly appreciated) The purpose of this is to make sure I am doing everything right while preparing the tank so they adjust well. I would ideally like to hatch my own so obviously the conditions with have to be spot on so they have more likelihood of eating. I'm aware it isn't recommended for first time shark owners but the only evidence I've seen to support that is people just have a whinge on forums so if it's a terrible mistake please let me know.

The tank itself is 2090L x920D x440h (mm) I am happy to buy a ready to install system from someone but would ideally rather set it up from scratch myself to make maintenance and upkeep easier and more effective.

Admittedly I've seen mixed reviews on weather or. It the fish will be happy and comfortable once fully grown in this tank but a lot of signs point to yes. If someone could clear that up for me I'd be much obliged. If everything goes well with these guys and I'm planning on building an acrylic 15L x10D x7H (ft) marine tank in 2 years for a more diverse community anyway so they'll thrive in that.

Also any advice, tricks, tips etc for setting up a relatively automated environmental regulation system for the tank will be greatly appreciated.

I'll be getting the tank on Wednesday and I'd like to get stuck into the purchasing and preparation as soon as possible. So lay it on me please people, water preparation and the filtration system is something I'd definitely like some personal experiences advice on. money isn't unlimited but I'm aware that these aquariums get expensive but and an willing to throw whatever I need to at it to do it right and keep those awesome little creatures comfortable and happy.

oh also, how big will I have to build the unit underneath the tanks to house everything needed discretely. If I can't keep all the plumbing inside it's gunna look like I've got a meth lab on my front porch...

obviously a contained, but dismantle-able filtration and skimming system will be harder to set up but make it easier to move (I'm moving into my own house somewhere between December and a year from now) and maintain. Keep in mind the tank isn't awfully talk either so I can actually get quite a bit under it. And I will have another identical tank I was thinking about converting to a sump and filter unit underneath.

I look forward to any help you have to offer.

Edited by McOnie
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Also I was wondering if there is a clean and colourful breed of crustacean I can have a breed tank for and keep a bit of colour/ sport in the tank. Furthermore, are catshark likely to give into temptation a lot and over eat if there's other small species with them, or will they only munch down a tank occupant every once In a while?

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Might be worthwhile to take a holiday to QLD and visit Underwater World. If you email them in advance and explain your interest they can advise you on the best day to visit and speak with their shark breeders about their program which they have run for years.

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I have a epualette shark in my marine tank. Things I've learnt that, any down low corals will bet destroyed form the walking all over them. A big protein skimmer and pre filter such as a filter sock is key, I also run a phosphate reactor but it helps with the corals as well. If your going fish only just have a good skimmer and pre filter. Plenty and plenty of flow in the top tank is good as well, I know they don't need to be moving to breathe ( most sharks do mine doesn't ) it's still a big creature that requires a lot of oxygen. The type of shark your after will hide a lot in the day. If youd like to see it I'd suggest drilling your life rock into bombie type formations. Any other questions just let me know

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That cat shark doesn't "walk" around the tank quite as often as the Epualette but they still damage coral apparently so I was going to pretty much just avoid putting any in, should I chuck some in anyway and just see how it goes?

Yeah I'm actually looking forward to scaping all the tank features and their little hidey holes.

Hmm big skimmers at a must so everyone tells me. Do you think I'll have issues with keeping the tank clean if I have the 2 sharks and a small prey ecosystem in there for them to graze on?

Thanks for the reply, the epualette is a gorgeous shark and good choice.

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Marine fish with scales recycle much of their urea to off set osmotic absorption of surrounding salts, unlike sharks that do not have scales they pee into the surrounding water a lot, hence the need for a skimmer or a few more water changes.

Cat shark juv/ dog shark adult, get to around 5 to 6 feet, this is one of the ones I raised the year before last I think, it was for some one, I don't usually collect the eggs and raise any with out a good reason, as of maybe 25 years now, not into shark keeping, it was a faze to know why and how, oh and they breed from November to late January.

I have tried others way of raising them and some die in the egg shell and my way is 100 percent success, the others vary!

shark-egg-4-_zpsc19e6625.jpg

This is an adult at 4 feet long that I was annoying.

Just be aware that dog/cat sharks are not predatory whalers and some other species in with them like a wobby may harm it.

Dog sharks eat invertebrates like molluscs and crustaceans, they will scavenge but for health reasons, they should eat the two food groups I mentioned.

Edited by liquidg
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