Many starfishes have the ability to regenerate lost arms. Some can even regenerate a complete new disk from a severed arm, while others need a bit of the original disk attached to do so. Until it develops mouth parts, the arm must survive on stored nutrients.
Some species reproduce asexually by fission of their disks or dropping their arms. A regenerating arm in the process of growing a disk is known as a ‘comet’.
Using tiny hairs similar to those on gecko feet, clingfish are able to strongly and equally adhere to surfaces with a broad range of roughness, new research shows. The fish’s suction powers easily outperform manmade suction cups, scientists say, adding that mimicking their design could lead to a new class of suction devices.
The northern clingfish (Gobiesox maeandricus) is a species of salt-water fish native to the Pacific Coast of North America. The fish live in rocky intertidal environments, where strong waves and currents threaten to toss them about. To survive in this turbulent setting, the fish has evolved an adhesion disc on its belly, which takes up about 25 percent of its underside. Using the disc, the fish can achieve a death-grip on a variety of surfaces…
Yo I'm Kelsey I hail from the lovely San Diego currently getting my education on in San Fran, majoring in Fine Art Sculpture! I was raised by a Biologist and a Writer, I'm an eccentric, a health nut and an Amazon ( as I am 6ft tall). I love all things to do with Nature and being a Nerd. Now let's have an ADVENTURE!
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