RE: NANFA-- JellyFish

Crail, Todd (tcrail_at_northshores.com)
Tue, 1 Oct 2002 18:30:51 -0400

Hi Casper. We had those or a very similar species in the 10 acre pond/lake behind our apartment that was also manmade. Given that they have 3 life stages, any of which could end up on a bird's foot, feathers, bill, whatever... It's not too hard to see how they get around.

I never got around to setting up a system and trying to keep them alive. Mainly, because at the time that I determined I had more probability to be successful, I had 300 gallons in a 2 bedroom apartment and I knew better than to even ask ;)

For a system, I proposed that I would take a 10 gallon and make recirculating airlifts out of pvc. It's the same as an undergravel, but the pipes surface at one end of the tank out of substrate, and then go all the way to the top at the other, which is where the air lines would go in. If this isn't giving a picture... Say so and I'll throw something together real quick, take some pics and post it to my site tomorrow. I'd *really* like to see if this works and I'll be organizing all my reef crap tonight anyway, so it won't be a big deal.

Filtration? Go to a local stream and gather a bucket load of the gravel. You'll probably end up with a better filter than any human could ever put together, and since this is a short term project (the medusa don't last very long) I don't think you'll have a problem with things flying out. May want to secure it it tho with some screen.

Food. Now here's the one I wasn't real sure on. If they take it... Brine Shrimp Direct makes a 20-40 micron "golden pearl" that I had a lot of success rearing oddball invertebrates with planktonic life phases in my reef aquariums. It stays suspended forever. If you'd like me to throw some in the mail for you, let me know. I'm really curious to see how this works out :)

HTH
Todd
-----Original Message-----
From: Prizma_at_aol.com
Sent: Tue 10/1/2002 5:47 PM
To: nanfa_at_aquaria.net
Cc:
Subject: NANFA-- JellyFish


Mark Otnes and i were snorkling a nc mountain lake sunday and witnessed 10's
of thousands of pulsating jellyfish. translucent, varying in size from a dime
to a quarter. they were found at the conjuntion / outflow of a rushing clear
cold mountain stream... 58 degrees and mixing of the much warmer lake's
greenish water. where the waters mixed it created a odd funhouse glass effect
on your vision from the temperature difference. very unusual. this is my
third time to witness these freshwater jellyfish. all 3 times have been on
mountain top manmade lakes. the second time was at the ohio meet. the first
in a lake on lookout mountain while canoeing.
does anyone know information about these? how did they get into manmade lakes
that use to be mountain streams? odd. but very enchanting, very mezmerizing.
i brought about 1/2 dozen home in a pop bottle but they were dead this
morning. :( i was hoping to introduce them to my cement pond and further
observation. i know jellyfish are extremely difficult to keep and require
circular flow aquaria, no corners.
any knowledge or experience out there?
casper
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/"Unless stated otherwise, comments made on this list do not necessarily
/ reflect the beliefs or goals of the North American Native Fishes
/ Association"
/ This is the discussion list of the North American Native Fishes Association
/ nanfa_at_aquaria.net. To subscribe, unsubscribe, or get help, send the word
/ subscribe, unsubscribe, or help in the body (not subject) of an email to
/ nanfa-request_at_aquaria.net. For a digest version, send the command to
/ nanfa-digest-request_at_aquaria.net instead.
/ For more information about NANFA, visit our web page, http://www.nanfa.org