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Main features of a fish that help adapt to their enviorment:
Mouth shape: The shape of a fish's mouth helps them adapt to the enviorment they live in and what they use their mouth for.
Whale sharks have very large mouths to open and filter as much water as possible in each gulp. Sharks have very sharp teeth and large mouths to grip their prey. Parrot fish have strong beaks like teeth to scrape and bite coral to get the algae off the coral.
Body shape:
Sharks have long streamlined bodies which are built for speed to catch their prey. Slow moving animals like the sea horse have a body shape that helps them blend in and hide in the environment.
Tail shape:
Reef fish have short rounded tails for short bursts of speed to get away from predators. Larger fish like sharks and whale sharks have larger long tails to swim long distances.
Colour:
Brightly coloured reef fish blend in with the reef (camouflage) or bright colours can also be a warning to stay away. Some animals are more dull grey colours so they do not stand out or can be hard to see in the water.
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