The gulper shark (Centophorus granulosus) is a deep water shark that tends to live at depths of between 200 and 1200 meters. They are known to reach 5 feet as a maximum length, and feed mainly on small fishes and…
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The problems faced by a fish in freshwater are the opposite of those faced in saltwater. The physiological strategies fish use to deal with both these problems are called osmoregulation. This is the clue to how it works – “osmo-”…
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” The barnacle is a shrimp-like animal standing on its head in a limestone house and kicking food into its mouth with its feet.”, according to Louis Agassiz, the Swiss-American naturalist, succinctly summing up a few of the interesting facts…
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Zooplankton are the tiny animals that float around on the surface of the ocean and feed on the microscopic plants that make up the phytoplankton, or on each other. They are so small that they cannot easily be seen and…
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Water, be it salt water, fresh or even seasonal bodies of water, wherever you find it you will find plankton. Plankton is not one type of organism but is a rich, living soup of two groups of ingredients, zooplankton and…
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The bull shark (Carcharhinus leucas) is one of the more common large shark species that can be found in many coastal areas in warmer waters. They are also known to be one of the most dangerous species of shark to…
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Most people tend to think that sea spiders are merely some kind of spiders that live in the sea, however this isn’t the case at all. In actual fact sea spiders are completely unrelated to land spiders, and are only…
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Sponges are as un-animal-like as animals can be. They don’t move around or make noises. They don’t have sense organs or heads or brains. They were thought to be plants until 1825 when they were finally racognised to be simple…
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Copepods are important little animals in many freshwater and marine ecosystems. They are arthropods so have the usual jointed legs and hard carapace that is good for protection but which must be shed in order to grow. They are crustaceans…
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IMMUNITY IN THE CELL COMMUNITY In 2004 it was reported that Orectolobus maculatus, a type of shark found in shallow waters of Australian territories and the China Sea, and better known as, Spotted Wobbegong Shark, was found to have a…
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