Octopus Muffs Intelligence Test

Homebuilding is first time tool use has been seen among octopi

(NEWSER) - Australian scientists observing octopi on the sea floor near Indonesia were amazed to discover that the creatures scoop up coconut halves, empty them out, and carry them around to assemble into shelters. The behavior shows a surprising level of intelligence, the researchers say, and is the first recorded instance of tool use among octopi or any invertebrate creature. More»

(NEWSER) - Tiger sharks are known for eating anything—including metal junk, other sharks, and people—but the Long Beach Aquarium seems to have landed the world's choosiest one, the Los Angeles Times reports. The new arrival, one of very few tiger sharks in captivity in the US, regularly turns up its snout at restaurant grade steak, tuna, and lobster, causing headaches for staffers trying to choose from more than 30 menu items. More»

She pulled out tank's water tube

(NEWSER) - A curious octopus caused a flood that soaked the Santa Monica Pier Aquarium with 200 gallons of water, the Los Angeles Times reports. A tiny two-spotted octopus “grabbed the tube that pulls out the water and caused it to spray outside the tank,” the aquarium’s education specialist said. Workers quickly cleaned up the mess yesterday, and only some floor tiles were damaged. More»

Virginia aquarium blacktip got pregnant without need for shark sperm

(NEWSER) - A blacktip shark at a Virginia aquarium got pregnant despite not having been around a male of her kind for a decade, the Virginian-Pilot reports. Scientists have long suspected that sharks, like some smaller vertebrates, could reproduce asexually but this is only the second confirmed case. Tests showed the baby shark had genetic material purely from its mother. More»

Wild hawkfish change gender to suit the moment

(NEWSER) - Talk about a dynamic dating scene. The richly colored hawkfish of southern Japan can transform into a female or male depending on circumstances to improve their reproductive chances, New Scientist reports. Many marine animals change gender during a lifetime, but in the hawkfish, scientists have for the first time discovered fish who become male or female to suit the moment. More»