Tiger Sharks

the 5 we have, plus ability to detect microscopic electrical pulses, and ability to detect changes in water pressure

no only salties or salt water crocodiles can swim for a very long time without coming up

port jackson sharks eat reef dwelling creatures such as crabs oysters and sea snails

Census taking for sea horses is an impossible task. The best that you can hope for is a capture-recapture exercise.

It's rare that a shark will eat you without smelling your blood. Sharks are attracted to the smell of blood, and unfortunatley can smell it from 5 miles. They will probably circle you for a while before eating you. A shark would go for your torso first and rag you about until it knows you are dead.. After that, the shark would pick of bits of flesh at random leaving nothing behind.

it cant happen alligators require a freshwater lake and much humidity to survive. tigers are used to very dry climate the climate change wouldn't kill it, but it would shorten the tigers life span significantly

Yes, we have a 55 gallon tank with both, they seem to be doing just fine. Trick is to have lots of hiding places, i.e plants, and castles with holes in them to go in and out of.

competition for food

If you mean biting down force, it is 1000 pounds.

The fish that follow sharks and eat the scraps of a kill could be any fish looking for an easy meal. The fish that latch on to sharks and eat parasites are called remora (plral Remora or remoras). They are part of a symbiotic relationship in which the shark gets rid of parasites and the remora gets a meal.

7-10

10 to 82

Tiger sharks are usually found near temerate and tropical seas.

A sand tiger can live up to 7 in a aquarium and 10 years or even 15 in the ocean but living to 15 is very unlikley for sand tigers.

The blues shark eats almost anything, but mostly squid.

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they go like arrghh!the turtle is too slow. it will be dinner for the shark.

i got no idea

Cartilaginous fishes

From: http://library.thinkquest.org/3935/SHARKS.HTM

This is a large shark that grows to be 18 feet long.

yes...yes they do.

Exatly 999999999999999 feet long

I would say bull shark because they're way swifter and probably have a stronger bite.

Neither. Sharks are primitive fish, with cartiledge skeletons.

2 to 5 feet long

For a tiger shark to attack, the water does not have to be very deep at all. For an attack to be possible, you would only have to be in water one quarter up your shin for a baby to attack. If it is a larger tiger shark you are worried about, you could be in water as shallow as halfway up your thigh. For a full grown tiger shark, if your legs are underwater, you are vulnerable.

yes they do eat tuna fish and whales dolphins and other sharks and lots of other things