FISH THE MOST NUMEROUS GROUP OF VERTEBRATES By
FISH THE MOST NUMEROUS GROUP OF VERTEBRATES By Mark
FISH CAN BE FOUND ALL OVER THE WORLD
Fish • COME IN ALL DIFFERENT SHAPES AND SIZES
FISH ALSO COME IN A VARIETY OF COLOURS
FISH • live in the water and are vertebrate animals, which means that they have a spine. • There are over 30, 000 different kinds of fish.
FISH • HAVE A FEW THINGS IN COMMON: • have gills that help them to breathe in the water • they are covered in scales. • These scales will usually get a layer of slime on them which helps the fish quickly glide through the water.
f. ISH have fins on their body and lay eggs.
Fish • Have developed FOUR senses: • touch • Sight • Hearing • Smell They also have a unique sensory organ called a lateral line, which enables them to sense
Fish anatomy
Some Fun facts about fish • Fish have been on the earth for more than 450 million years, whereas mammals have only been on earth for roughly 200 millions years. • There are over 27, 000 identified species of fish on the earth and an estimated 15, 000 fish species that have not yet been identified. • There are more species of fish than all the species of amphibians, reptiles, birds and mammals combined. • Sailfish, Swordfish, and Marlin are the fastest
Some fun facts about fish II • A female Sunfish may lay 300, 000 eggs at a single spawning season. • Some fish, like Sharks, do not have an air bladder to help keep them afloat. They must either swim continually or rest on the bottom • The largest fish fossil found to date is from the Leedsichthys problematicus, which lived 150 million years ago. It was found in
questions 1 About how many different types of fish are there? 2 How do fish breathe? 3 What is the fastest fish? 4 5 How long was the longest fish that ever lived? In English, what is: • Mozek • Játra • Ledvina
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