Sea spiders are a class of marine arthropods called Pycnogonida that are found nearly everywhere in oceans from deep to shallow ranges. They are not arachnids, but considered chelicerates even though this fact may be debated. They feed on ocean invertebrates using a proboscis and suction feeding.
Sea spiders use external fertilization and interestingly the male provides care to the young.
The name “sea pig” conjures up many images, but probably not that of a deep-sea holothurian echinoderm. There are three species of sea pigs all in the genus Scotoplanes. They inhabit deep sea floors often high densities and are thus sensitive to deep sea trawling. Continue reading “Meet the Sea Pig”
The fly river turtle or pig-nosed turtle (Carettochelys insculpta) is found in the freshwaters of New Guinea and Australia. These turtles are so unique that they are the only living member of the family Carettochelyidae.
Check out the video from “Life in Cold Blood” with David Attenborough below.
The salamanderfish (Lepidogalaxias salamandroides) is in the family Lepidogalaxiidae all by itself. These unique fish are found in the acidic waters of western Australia. Remarkably, like the lungfish these tiny creatures can survive drought by burrowing in the sand and aestivating.
Watch the video below to see a salamanderfish and hear more about them.