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Invertebrates

Bristle worms in your reef tank…so what?

Americans and I'm assuming most Europeans, have a natural dislike of worms. They're creepy, sometimes slimy, and they move in what seems an unnatural and distasteful way. I remember going fishing when I was a kid and putting the red earth worm on my hook. As soon as the sharp end of the hook would penetrate the worm's flesh it would wiggle vigorously and inevitably turn its head toward my hand as ...
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How to pick a clean up crew

Neon Orange Hermit Crab
One of the most frequently asked questions by new reef tank owners is, "what should should I get in my clean up crew and how many?" The clean up crew, commonly abbreviated CUC, is composed of several different types of animals, usually snails, hermit crabs, and other useful invertebrates. As the name suggests they are included in the reef tank to help clean up left over food and detritus. This art...
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Advanced Aquarist Online: Five New Freshwater Crabs

Gubernatoriana Thackerayi Red Crab
I'm a huge fan of crabs. Have been since I was a little boy. There are a great many species for both fresh and salt water. I find marine crabs to be much easier to keep as most of them are fully aquatic. Freshwater crabs tend to need mud and land as well as water. Still, I've kept many of them over the years successfully and enjoy the unique tank they require. Advanced Aquarist, and online magazin...
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