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General information The Aquatic is the largest of the biomes covering almost 75% of the earths surface. Aquatic regions house numerous species of plants and animals, both large and small. In fact, this is where life began billions of years ago when amino acids first started to come together. The aquatic biome can be broken down into two basic regions, freshwater(e.g, ponds and rivers) and marine(e.g, oceans and estuaries). Freshwater RegionsFreshwater is defined as having a low salt concentration—usually less than 1%. Plants and animals in freshwater are adjusted to the low salt content and would not be able to survive in areas of high salt concentration (e.g, ocean). There are different types of freshwater regions: ponds and lakes, streams and rivers, and wetlands.
Marine RegionsMarine regions cover about three-fourths of the Earth’s surface and include oceans, coral reefs, and estuaries. Most water is from The Ocean evaporating giving us rainfall. Climate Although water temperatures can vary widely, aquatic areas tend to be more humid and the air temperature on the cooler side.
The Angler Fish Imagine your 2000 metres under the sea , and it’s so dark you can’t see your hands in front of your face . You can see a dull floating light it’s so mesmerizing that you don’t notice the hundreds of pointy teeth floating behind the light and before you know it you’ve been swallowed be an Angler Fish . This is what it would be like to be Angler Fish lunch . The Angler Fish is considered to be one of the most bizarre deep sea inhabitant . But despite it’s looks it shows incredible adaptation to such an extreme environment . Named after it’s luring technique .
There are more than 200 species of Angler Fish living in the cold murky depths of the Atlantic and Antarctic oceans , although some live in shallow , tropical environments . Ranging from dark gray to dark brown , these carnivores have huge heads with a crescent shaped mouth filled with long sharp fang-like teeth that are angled inwards ready for use . Their length can vary from 20cm to a monstrous 1m with a weight of 50kg . The most recognizable part of an Angler Fish is a piece of Dorsal spine that floats above their heads mouths like a fish pole , worn only by females it is tipped by luminous flesh . This specialized spine is highly manverable and can be and can be moved in any direction when hunting .
The Angler Fish is known to stay completely motionless, waving it’s lure back and forth tempting the fish to get closer when the fish gets to close , it snaps it’s jaws shut and swallows it’s prey whole , it then angles it’s teeth inwards so it can extend both it can’t escape . The Angler Fish can extend both it’s jaw and stomach to an enormous size since food is scarce in the deep sea this adaptation allows it to stock up on food when food is plentiful.
Mangroves Mangroves are woody, specialized types of trees of the tropics that can live on the edge, where rainforests meet oceans. Found on sheltered coastlines, they grow in salty wetlands between land and sea where other plants can't grow. They protect the coastline and prevent erosion by collecting sediment from the rivers and streams and slowing down the flow of water. There are about39.3 million acres of mangrove forests in the warm coastlines of tropical oceans all over the world. More than 10.5 million acres, or 27% of mangrove forests are found in southeast Asia
Mangrove trees look as if they grow on stilts. The stilts are their specialized aerial roots which hold the trunk and leaves above the water line . Mangroves tolerate large amounts of salt in their leaves when the salt build rises to high it can simply discard it . Most Mangroves have evolved to produce seeds that float . The tide then a scatters the seeds to avoid crowding of the seedlings .
