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Sharks
When many think of sharks, they think of the movie Jaws or a dangerous man-eating fish. In reality, sharks is a large group of fish that includes very small to much larger fish. Some can be harmful to man and others are harmless. To delve into this interesting and diverse group of cartilaginous saltwater fish that have sharp teeth and a bad reputation, ask your questions in this category.
5,520 Questions
How does a shark use its tail fin?
The tail fin (caudal fin) is used to propel the shark forward through the water. This is done by the shark moving the tail horizontally from side to side.
Omnivorous fish eat a variety of seaweed, plankton, macroalgae, krill, crustaceans and shellfish, octopi, squid, tubifex worms, bloodworms, brine shrimp and fish smaller than themselves. Basicallt, they will eat almost anything from vegetable and plant matter, insects, crustaceans and meat proteins. If you are asking in relation to aquarium fish, you will find a great variety of commercial fish foods available, often suited to specific types of fish.
How does small fish clean the shark's teeth?
idk ask lydia colgan
By eating the parasites on the shark's teeth..
What shark lives in the Arctic ocean?
Several Whale Sharks have been sighted in the Arctic. Great Whites would not be found there since they generally live in tropic waters and would not remain alive for long there.
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There are some sharks that commonly live in the polar regions such as the Greenland sleeper shark, the Pacific sleeper shark and the black dogfish shark. The Greenland sleeper shark lives under ice floes, preying on fish in the winter and rising to the surface to feed on seals and porpoises in the summer when the ice breaks.
Mainly fishes, crayfish, crabs, and octopi :) Due to a slower metabolism than most sharks they are usually content to have two meals a week.
Are there any sharks in the river zambezi?
There is the Bull Shark also known as the Zambezi Shark, these sharks can live in both fresh and salt water
Why are hammer heads head shaped like a hammer?
Hammer heads are NOT all "like a hammer". They come in many different shapes.
How do hammerhead sharks stay alive?
Hammerhead Sharks are carnivorous predators. They feed on a variety of fish, squid, octopus etc. They usually swim along the bottom of the ocean stalking their prey. They use their unique hammer shape head as a weapon. They use their head to pin down Sting Rays (their favorite prey) and eat them when they are weak or in shock. They use similar tactics to attack other prey species like Octopus or Squids.
Do sharks die after the dorsal fin is cut off?
If they'd only cut the dorsal fin, there's a good chance that the shark would survive. But usually they cut all fins, which leave the shark unable to swim and dooms it to a slow death.
Where in the sea do shark live?
Sharks live everywhere except for Antarctica & Alaska they "migrate" i guess ya can say & yes one shark does live in fresh water...bull shark. yes. sharks can come close to shore or the shallow end.so everywhere except for ANTARTICA&ALASKA(:
Does man use great hammerhead sharks for food?
Hammerheads are one of the medium sized species of sharks, which make them an easy target for fishermen. Their fins are a delicacy. As a result of overfishing, hammerhead numbers have fallen drastically in many of their habitats. Fishermen usually cut off their fins and toss the remainder of the fish into the sea to die a horrible death. Loss of habitat is another danger to these sharks. Because of widespread uncontrolled hunting, hammerheads are considered an "endangered" species. Unless hunting them is stopped soon, these species may become extinct very soon.
Do sharks live in the Aegean Sea?
Several shark species live in the Mediterranean, and Aegean Sea, the coast around Crete, Rhodes and Sicily. There is a general debate, about whether Great Whites, are found in the Meditteranean. There is some evidence to suggest that one of its breeding Grounds is around Sicily and in the Adriatic around the Balkans.
While no one has direct evidence of their presence, it has been speculated for decades that they are there. An increased global interest in the general subject has meant that shark research in the area has been more likely to indentify sharks in the Meditteranean and Aegean seas.
Mediterranean Sea Surface Temperatures have remained unchanged in the last 72 years since records began in the area.
A Number of shark attack cases have occured amongst Divers, of the Coast of Sicily. These were assumed to have been a lone or solitary Great White, although it is more likely to have been a Mako or Blue Sharks also known to attack man.
The biggest Great White Shark, Carcharodon carcharias,ever caught was caught in the Mediterranean sea - off the coast of Malta in 1987 by one Alfredo Cutajar. It was said to have measured 7 meters (23 feet) however these claims have been disputed recently with some experts placing the size of the shark at around 18 feet or just over 5 meters.
Mako Sharks are sometimes found off the Coast of Cornwall, and have been found once in the English Channel, which hunts the shoals of mackeral. Blue Sharks another Species of Shark found to attack humans is found off the coast of Cornwall.
In the Meditteranean another Visitor is the Thresher Shark, which was relatively common, but now much scarcer because of overfishing. It has a long Curved tail which it will use to hit the water and stun fish. There have been no reported attacks on man.
Other shark species are the smaller DogFish, and the Angel Shark, a bottom dweller. In in Deeper and Colder water around Northern England is the Goblin Shark, a large shark of deep water, which has the potential to kill man, in reality no one has ever died from an attack.
The Basking Shark, is a summer visitor, to Cold Water regions Adriatic and Uk, and is totally harmless, feeding on Plankton.
What plant does hammerhead shark eat?
they it people um.. okay sharks eat fish,people and maybe sea weed umm...okay go to leane more about fish .com or call 2026794186 and my name is jasmine
How many great shark babies are born at one time?
i think 12 thousand sharks are born at one time out of the mothers testicle but only three survive and then can reproduce at burth
What size fish tank fo a12 inch nurse shark?
Male Nurse Sharks are known to grow in upwards of 6 feet and females can grow as large as 10 feet so when choosing a proper tank for one of these you should always plan ahead. I would say a 10 foot tank should last for a few years at that size. (250+ gals)
http://www.reefremedies.com
The amount of humans killed by sharks in a year in the US is 10-20. the amount of sharks killed by humans in a year in the US is 200,000. THATS A LOT!!! -Kitty
