News flash: Fish have personalities!

Fishkeepers already know this. Our fish are different from one another and quite interesting. This study was done with guppies but I think there are other species that would show even greater variability. Puffers, for example, have a huge amount of personality. I have found the bristle mouth tangs are the same, though they are more shy, they do display much personality. It's very interesting to me...
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This new hermit crab is a lovely weirdo — Advanced Aquarist | Aquarist Magazine and Blog

New green eyed hermit crab
I'm a huge fan of hermit crabs. It's not often that a new one comes along. I doubt this is one I will ever see for sale in the hobby but still it's nice to see new discoveries. Hermit crabs are among the easiest things to keep in a marine tank and are incredibly enjoyable to watch. Of course many of them aren't reef safe so you have to be quite careful which ones you pick. They can be a very usefu...
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Death of Dr. Herbert Richard Axelrod

Dr. Axelrod
Sadly, Dr. Herbert Axelrod has passed away. If you have ever had a fish in your tank with the word "axelrodi" as part of its name it's because it was named after this fellow. As a scientist and discoverer he has been an ever-present part of our hobby and his influence will be felt for generations to come. My atlas is one of my prized books. I highly recommend the body of work he has left...
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Got aggressive hermit crabs? Give them better homes — Advanced Aquarist | Aquarist Magazine and Blog

Scarlet Reef Hermit
This is an interesting study that certainly mirrors my own observations in the tank. I've keep hermit crabs since I was a small child, including land hermits. The behavior is the same for them. Hermit crabs are a fascinating part of the reef ecosystem that frequently go unnoticed by hobbyists due to their reputation as coral eaters. Certainly there are some hermit species that will munch on corals...
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These Sea Urchins Have a Terrifying Self-Defense Strategy

Some urchins are poisonous to humans as well as fish. Be careful when dealing with the various species as getting stuck can cause a lot of pain and in some cases hospitalization. The urchin in this story is part of a larger group called "collector urchins" because they camouflage themselves by sticking things on their back. The Tuxedo Urchin is an example of this group. This new discovery is quite...
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