Despite the fact that sharks are apex predators (predators at the top of a food chain), many species of sharks are classified as endangered. Tiger Sharks can reach lengths of five metres, and they are opportunistic predators at the top of the food chain that take whatever they may come across including large fish, mammals and even birds. There are several main factors that signify each major group, including (but not limited to) their size, colour, shape and behaviour. Home to over 1500 different species of tropical fish and other variants, the Great Barrier Reef is teeming with life. That title in the Great Barrier Reef falls to the Tiger Shark. Contributing to their conspicuous nature is the fact that they live in relatively shallow sections of the reef’s waters, making them a frequent sight spotted by snorkelers adventuring in the Great Barrier Reef. Also known as Anemone fish, Clown Fish have recently sprung to international fame due to Disney/Pixar’s hit CGI movie Finding Nemo. What is the time signature of the song Atin Cu Pung Singsing? How long will the footprints on the moon last? Another species that is far more recognisable is the Hammerhead, due to its – you guessed it – elongated hammer-shaped head that provides the shark with enhanced vision when seeking prey. Who is the longest reigning WWE Champion of all time? Gobies mainly reside at the bottom levels of the reef and typically travel either alone or in small groups so as to avoid detection from predators. There are several species of hammerhead sharks, which are in the family Sphyrnidae. The Great Barrier Reef is a refuge for many species of conservation concern. A close relative of the Angelfish, Butterfly Fish share many physical characteristics but are typically distinguished from Angelfish due to their more elongated, thinner “noses” which tend to jut out from their main body. Ano ang mga kasabihan sa sa aking kababata? There are over 500 species of sharks that are divided into 8 orders. Aside from their appearance, Triggerfish are (in)famous for their tempers, being overly aggressive and often biting fish and even people that dwarf them in size. Great Barrier Reef Sharks. Ano ang pinakamaliit na kontinente sa mundo? The sheer volume and density of fish varieties which can be found within a small area make the reef a diver and snorkeler‘s paradise. Explore the Great Barrier Reef with Google, Dolphins and Whales of the Great Barrier Reef. Pagkakaiba ng pagsulat ng ulat at sulating pananaliksik? How many animals are there in the Great Barrier Reef? After all, they are “reef” sharks!When people hear the word “shark“, some fear comes right along with it. Depending on subspecies their diet consists of either plankton or algae, with the plankton eaters typically having brighter colours and the algae feeders being duller shades of orange and brown. Large, colourful schools of surgeonfish are a frequent sight on the reef and are the subject of many postcards and magazine photo shoots looking to promote the reef, and with good cause – a school of surgeonfish swimming in unison is the equivalent of an ocean-dwelling, moving rainbow! What could a fish possibly have in common with a parrot? This acts as a natural defence system against passing predators, as the Clown Fish can nestle itself amongst the anemones which will poison any overaggressive threats to the fish – a truly symbiotic relationship. They have strong jaws which they use to feast on a diet of such hard-bodied sea entities as molluscs, sea urchins and other crustaceans, and thus their bite can pierce quite deeply when biting down on human skin. This research resulted in changes to fishing legislation in 2004, giving reef sharks a greater level of protection. 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