Diving Beetles - The Planted Tank Forum
 
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post #1 of 7 (permalink) Old 03-22-2006, 10:22 PM Thread Starter
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Diving Beetles

Anyone have any experience with Diving Beetles (predacious coleopteran) in a planted tank?

15 gal
DIY CO2 plus vortex reactor
65wt coral life
Flourite
Heater + Filter....
Drift wood
Glasso
Riccia
Dwarf Sword
Lemna spp

8 shrimp (various spp)
2 cory Cats

any input?

Thanks


Last edited by grebdsu; 03-22-2006 at 10:23 PM. Reason: cpelling errror:)
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post #2 of 7 (permalink) Old 03-22-2006, 11:30 PM
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They have wings and can fly out of the tank if they don't like the conditions.

Sean

Aquascape? I'm a crypt farmer.

It's a fine line between fishing and standing on the shore looking like an idiot.

That IS an aquascape, it's titled "The Vacant Lot".
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post #3 of 7 (permalink) Old 03-22-2006, 11:54 PM
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These are the only diving beatles I've ever seen



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Like drops of fertiliser into the tank, so are the days of our CO2...
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post #4 of 7 (permalink) Old 03-23-2006, 05:09 PM
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I'd like to do an aquatic insect tank, but you have to feed them a particular diet, and of course...most predaceous insects bite. Beetles aren't too bad, but the bugs--even the little ones--usually inject you with stuff that can be ouchy.

I'd love to keep the beetle larvae though. They're just so neat. But again, I can't keep up with a live diet.

The adults are easier as they aren't all predaceous, but they tend to fly...if you get the big dytiscids, they'll probably end up at your window pretty fast. I did keep a large hydrophilid in my tank for a while--one of the ones that look alot like "water tigers" but aren't predaceaous as adults. It ate cichlid pellets and was just adorable. I pinned it when it passed away. I've also tried keeping water bugs. The immatures got eaten by fish and the adults flew away.

I wonder how dobsonfly larvae would do in a tank. Now that would be worthwhile.
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post #5 of 7 (permalink) Old 03-23-2006, 05:29 PM
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Quote:
Originally Posted by Mori

I wonder how dobsonfly larvae would do in a tank. Now that would be worthwhile.
Hellgrammites do great in a cool water high current tank. Not being 100% sure of their diet, I feed frozen mysis shrimp, sinking algae wafers and Hikari crab bites. I basically only collect them as an interesting live food for my Oscar, who appreciates it very much.

Two drawbacks -
1. You'll hardly ever see them, as they like to stay under rocks and wood, or even buried in leaf litter/sand. They are easy to find in the tank though...you know it when you have one (or one has you :P).

2. Come September, they climb as high as they can (up airlines, fitler tubes, etc.) perch, shed their exo, and fly through the house seeking a way out, causing the spousal unit to lapse into coniptions. This won't happen each year if you collect the small black ones. I think their larval stage is 3 years. I only collect the large reddish brown ones, who are in their last instar as a larvae. Butterbean (the Oscar) tends to ignore smaller food, so I'm stuck with fliers every fall.

As soon as the Shenandoah River warms up a bit more I'll be collecting some, as well as chubs, stonerollers and darters...maybe a coldwater Appalachian river eco-system tank would be fun...
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post #6 of 7 (permalink) Old 03-27-2006, 05:26 AM Thread Starter
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Thanks for all the help!
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post #7 of 7 (permalink) Old 03-27-2006, 02:14 PM
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I think I'd like for you to set up a vivarium with beetles. Like folks do with dart frogs, except this one would be interesting!

Get to work!
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