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Ocean acidification happens when increased carbon dioxide in the air dissolves into the ocean. The excess carbon dioxide lowers the pH of our oceans, making them more acidic. This becomes a threat for sensitive animals like corals and shellfish because it reduces their ability to build calcium carbonate skeletons.
In the deep ocean, a hairy-armed crab called the "yeti" crab has an interesting source of food. The crab farms bacteria on its hairy arms and then scrapes the bacteria into its mouth. Talk about self-sustaining!
Hawaiʻians are well known for their strong ocean voyaging heritage. Archeologists have discovered that Egyptians were also adept seafarers. The Egyptians built massive ships capable of traveling over 1000 miles. Furthermore, these ships were built to be disassembled and reassembled, because the Egyptians had to break them down and carry them 100 miles across the desert to trade goods.
The Hawaiʻian Islands chain found in the Pacific Ocean is the most isolated Archipelago, located approximately 2,550 miles southwest of Los Angeles and about 3,900 miles southeast of Tokyo.
The mimic octopus is an incredible animal that can impersonate the appearance and movement patterns of a lionfish, crab, jellyfish, and many other animals. However, scientists have recently found a small jawfish whose coloration copies the mimic octopus, mimicking one of the octopus’ arms!
Photo: University of Kansas Evolution by natural selection is often described as “survival of the fittest”, but a new study suggests that some organisms may have a different evolutionary strategy for success: laziness. In the journal, Proceedings of the Royal Society B, researchers provide evidence that species with lower energy requirements may be less likely to go extinct. In the study, the researchers analyzed the metabolic rates of 299 species of bivalves and gastropods in the Western Atlantic, both extinct and extant. They found that during a 5-million-year period, high... (more)