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Bigger brains help female fish evade predators but doesn't help males

<i>Click through to see the images.</i><br>Researchers introduced a mixed population of male and female guppies with differing brain sizes in the same aquarium …


Box jellyfish fish for their food

<i>Click through to see the images.</i><br>It’s an impressive feat by any standards, but particularly so for an animal that doesn’t have a defined brain.The …


A recap of what we've learned about invasive Lionfish this month (none of it good)

<i>Click through to see the images.</i><br>Hey Florida: It's not entirely your faultAn United States Geological Survey genetic analysis revealed that invasive …


Eating (with your) fish

<i>Click through to see the images.</i> <br>The AZOO Eco-Desk 56x35x30" (146x88x76cm) table features a 21.5" gallon look-down aquarium situated in the middle of …


Details about the world's biggest nature aquarium

<i>Click through to see the images.</i> <i><br>The following article was written by Luca Galarraga for AquaA3 (click to read the original Portuguese version) and</i> …


New rainbowfish really lives up to its name

<i>Click through to see the images.</i><br>Melanotaenia rubrovittata is about as brilliantly pigmented a rainbowfish as they come. Its gorgeous horizontal …