fishbreeder Posted February 9, 2009 Report Share Posted February 9, 2009 what types of crabs can i keep? and apart from fish what else can i put into my marine tank? how easy are crabs to keep.? can anyone who is a crab keeper help me out? thanks dominique Quote Link to comment Share on other sites More sharing options...
mrblobby666 Posted February 9, 2009 Report Share Posted February 9, 2009 Are you talking about tropical or coldwater? Quote Link to comment Share on other sites More sharing options...
fishbreeder Posted February 9, 2009 Author Report Share Posted February 9, 2009 im not sure, salt water i thought. dunno if tropical or cold Quote Link to comment Share on other sites More sharing options...
mrblobby666 Posted February 9, 2009 Report Share Posted February 9, 2009 Yea saltwater, although i think there is some freshwater crabs. But do you mean tropical saltwater as in Clownfish (nemo) or like saltwater fish and crabs from new zealand like fish and crabs you get from rockpools? Quote Link to comment Share on other sites More sharing options...
fishbreeder Posted February 9, 2009 Author Report Share Posted February 9, 2009 both really. i dont know if we are allowed to take crabs and things from rock pools. are we?? what sort of crabs are tropical? Quote Link to comment Share on other sites More sharing options...
mrblobby666 Posted February 9, 2009 Report Share Posted February 9, 2009 Yup you can take crabs and things from the rockpools. I have a nz saltwater tank (coldwater). I don't any tropical crabs are imported , sometimes you get them with some corals as hitchhikers. If your going to have coldwater crabs your going to need a tank that is kept cold, with the likes of a chiller. As they want survive in tropical Quote Link to comment Share on other sites More sharing options...
fishbreeder Posted February 10, 2009 Author Report Share Posted February 10, 2009 cant i just keep it with no heater like a goldfish tank? my tanks get cold here with no heater Quote Link to comment Share on other sites More sharing options...
Ira Posted February 10, 2009 Report Share Posted February 10, 2009 Does it stay at a constant 18ish degrees? If it doesn't, No you cannot just keep it without a heat like goldfish which can handle all the way up to tropical temps. Quote Link to comment Share on other sites More sharing options...
fishbreeder Posted April 15, 2009 Author Report Share Posted April 15, 2009 what if i drop in frozen icecubes on extra hot days? Quote Link to comment Share on other sites More sharing options...
lmsmith Posted April 15, 2009 Report Share Posted April 15, 2009 They can handle some temperature variation (rock pools get really hot during the day) but they really need a chiller to keep the normal temp down to around 16 - 18 degrees. Crabs also need really good flow and really really really fresh water. I've kept rockpool crabs outside for about 3 months, and in a tropical tank for about a month (before the puffers got them), but they really don't thrive in water warmer than 18deg. Quote Link to comment Share on other sites More sharing options...
fishbreeder Posted April 15, 2009 Author Report Share Posted April 15, 2009 i was thinking tropical coz then its easier to keep it warm. but there are some coldwater things (natives) that i would like. how does a chiller work? Quote Link to comment Share on other sites More sharing options...
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