I have kept cold water marines for many years but no longer bother due to the high running cost & expensive equipment. We have a locale public aquarium that has lots of cold water tanks but they continually pump fresh water direct from the sea! There are certain people who have experience with cold water marines but it is not a popular style of tank to keep. The upkeep of a temporary or long term environment? I will have to get back to you later as I have guest for the next hour or two. So in an ideal world you would employ the benefits of an Aquarium chiller or even a beer cooler but, I am guessing this is not likely? Trying to keep creatures in you lounge with pumps running & light blaring is never going to produce ideal study conditions unless you want to study stressed & dying creatures? In order to maintain a healthy environment for captive British sea life we need to give the upmost consideration to keeping the tank as cool as possible or rather as close to sea temperature as possible. However this would be for a relatively short time as the incoming tide would refresh the pool, retuning the faunas living conditions to its incredibly stable, consistent & idea feeding conditions. We know that some of the tidal pools can have dramatic environmental changes throughout a 24 hour.įauna trapped in a shallow half tide pool could possibly experience the most extreme temperate & salinity changes, sun could raise the temperature to 25c or more & rain could dilute the salt content. The key to long term captivity for the majority if not all of our locale sea life is a low temperature!! The sea temperature around our coast averages around 10-12c, with much bigger extremes from North to South but rarely exceeding 15-17c. Hi Nick, lets give this a bit of logical though. I live just 15minutes from the sea also, so will be collecting the specimens locally. Species being used are Hydroids such as 'Obelia', Brittle stars 'Amphipholis spp, and 'Syllidae' worms. And will live rock be necessary? any advice on what will be necessary will be a great help! I think I will likely need a substrate also- will Sand do(?). How would I go about setting everything up for salt-water water changes etc (or keeping good water quality)?. I've never kept marine fish, but have plenty of experience with freshwater tropical set-ups. Were looking at some bioluminescence properties in 'Obelia' hydroids primarily.Įquipment I have at the moment are a 40litre tank that is empty, and I think I also have a filter somewhere, and I have a power-head. The study will be carried out in a laboratory in Pembrokeshire in a few weeks, but I will be collecting the specimens in the next two weeks, and keeping them at home for roughly four weeks for some microscopy work. I will likely need the specimens up until Christmas.
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