A-Z of Sharks Poster
Transcription
A-Z of Sharks Poster
A B C D E F G Angelshark Basking Shark Chimaera Devil Ray Epaulette Shark Frilled Shark Goblin Shark This ambush predator camouflages itself well in the sand and feeds on bony fish, crustaceans, molluscs, squid and cuttlefish. The second largest fish in the world feeds solely on zooplankton and is highly migratory – visiting the UK coastline during summer months. Chimaera are strange and mysterious fish that live deep in the ocean. They are very closely related to sharks, skates and rays. Closely related to Manta Rays, Devil Rays have similar ‘horn’ shaped lobes on the front of their heads. Epaulette Sharks live on coral reefs and can survive barely submerged, using their pectoral fins to ‘walk’ over the reef. Frilled Sharks are one of the oldest shark species still around today and are often described as ‘living fossils’ due to their primitive features. Found in deepwater, this species is pinkish-white in colour and can extend its jaws to bring prey items to its mouth. H I J K L M N Hammerhead Shark Indian Swellshark Japanese Sawshark All species of hammerhead have an unmistakable shaped head, this helps increase the sharks electromagnetic senses used when hunting. If threatened, swell sharks can inflate their stomachs, making it difficult for predators to remove them from crevices. The tooth studded rostrum of this species is used to capture prey and may also be used in defence. Kitefin Shark Lemon Shark This deepwater shark hovers close to the sea floor and has a large oil-filled liver which provides neutral buoyancy. This stocky shark is named because of its yellow-brown skin colour. Manta Ray Nurse Shark The Manta Ray is the largest of the ray species and (like the largest shark species) are filter feeders. Nurse Sharks are nocturnal, often found resting in groups by day in shallow water and becoming active at night. O P Q R S T U Oceanic Whitetip Shark Port Jackson Shark This species is easily recognised by its large, rounded dorsal fin and long, paddle-like pectoral fins - all of which have white tips. Port Jacksons produce corkscrew shaped eggcases which they lay in rock crevices. Each eggcase contains one pup which takes up to 9 months to hatch. Quagga Catshark Raggedtooth Shark Smallspotted Catshark The Quagga Catshark is very small at only 35cm and is found in tropical offshore waters in the Indian Ocean. Also called the Sandtiger or Grey Nurse Shark, this species occurs in most tropical and warm oceans. Developing embryos are eaten by the larger siblings inside the mother. Often called dogfish by fishermen, this species lays eggcases (called mermaids’ purses) which can be found washed up on beaches in the strandline. V W X Y Z Velvet Belly Shark White Shark eXtinct Yellow Guitarfish Zebra Shark Velvet Belly Sharks have bioluminescent undersides which emit light. This provides counter-illumination which actually camouflages against predators below. White Sharks are efficient predators; their bodies are counter-shaded with a darker top and white underneath, making it difficult for their prey to see them coming. Sharks have been around for 450 million years so it’s no surprise that some have gone extinct over the years. However, an increasing number of species are becoming threatened with extinction due to exploitation and habitat loss. This elusive guitarfish is found in Japanese waters and is an expert at blending in with its surroundings. Zebra Sharks are given their name as the juveniles have black stripes. However as they mature, these stripes become spots, often causing confusion with people calling them Leopard Sharks! Tiger Shark The ‘Dustbin of the Sea’ isn’t a fussy eater and prey can include bony fish, sharks, rays, turtles, sea birds, seals, dolphins, sea snakes, cephalopods, crabs, lobsters and jellyfish, as well as human rubbish. Undulate Ray This Endangered ray can be found along the south coast of England – their presence is indicated by the empty eggcases which wash ashore. of Sharks Sharks, skates, rays and chimaera are all Chondrichthyans, which means they have a skeleton made of cartilage. Therefore when we refer to sharks, all of these fish are included. The Shark Trust’s A-Z of Sharks is funded by Wordshark. www.sharktrust.org