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Friday, February 11, 2011

What Makes A Fish A Fish?

Today I'm going to tell you what makes a fish a fish.

Fish are probably the most recognizable animals on the planet.There is a wide variety of species,each carrying their own characteristics.For example: The Blue Chromis(see picture up top) is a small,shiny fish,while the Goliath Grouper is a black,plain fish and can range in sizes of up to 6 feet long!Now,lets get on with the main subject of this post.

What makes a fish a fish?

The answer is,well,there's 3.

1-They have fins on their body's.
2-They live underwater.
3-They use gills to breath the air in the water.

Actually,some of those are a little wrong.Not ALL fish live underwater and only use the air in the water.Fish like the Chinese Walking Catfish (meow) can go for long periods of time without going into water.And why is that you might ask? It's because of It's skin. The skin of the fish holds moisture inside its body,so it won't dry out,and its skin also uses the air we breath and converts it into the air it breathes,all thanks to It's skin.Truth be told,I'm not sure if that fish has gills....
Any who,back to the post.Fish can survive in places you would never think they could,like the North and South poles,on land,even in the darkest depths of the ocean.The Greenland Shark lives at the Antartic and is right at home there.It looks kinda like a Great White Shark that got its face a little flattened and has a pinkish brown body.It's a little smaller then the Great White,but if you ask me,it has a worse temper. Some fish aren't too different from mammals.Like mammals,fish like the shark can have live birth.It's a little complicated to explain,so I'll leave that answer to the internet. Another thing that makes them mammalish is that some,not all,fish are warm blooded.Fish such as tuna can change their body temperature to match their surroundings.Not all animals that live in our oceans and rivers are fish.Animals like dolphins,whales,and seals are sea mammals.It depends on where they live to describe the food chain.Either the mammal eats the fish,or the fish eats the mammal.Birds also inhabit the oceans.
Fish are the worlds most fascinating fish,but they're being wiped out.Pollution,massive fishing and increase in hunters are making some of our most exotic fish and mammals go on the endangered list.You can help save the animals.Never throw garbage or unwanted items in the sea,cause animals could mistake them for food,get sick and die.Never fish more than you have to,you could wipe out a species and you don't even know it.And last but not least,NEVER hunt endangered species or poach.Not only will you go to jail,for a long time,but you'll also be killing innocent,endangered creatures.

That's my report on what makes a fish a fish.I got my info from,animal planet,and my memory.The End.

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