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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
What are the differences between jaw less fish and cartilaginous fish?
Jawless fish and cartilaginous fish have cartilaginous skeletons, and bony fish have skeletons made from bone. Cartilaginous fish and bony fish both have jaws, paired appendages, and whole vertebrae, and jawless fish lack jaws, paired appendages, and often are without whole vertebrae. Cartilaginous fish can have scales or be naked, jawless fish are naked, and bony fish have scales. Bony fish have swim bladders, and cartilaginous fish do not. Jawless fish, cartilaginous fish, and bony fish all have fins, gills, and dorsal nerve cords that lead to a distinct brain. They all also have postanal tails and notochords.
Does the megalodon shark still alive?
No it was extinct about 1.5 Million years ago.but no one can say that it is totally extinct cauze 93-95 % of the oceans are unexplored
What are some characteristics for a frilled shark?
A frilled shark is a primitive deep-sea shark with a long, eel-like body and a fringed, frilly appearance to its gill slits. It has numerous rows of small, needle-like teeth and a unique hunting strategy of lunging and snaring prey. The frilled shark is known for its ability to bend its body and capture prey in its toothy jaws.
A bonnethead is a type of shark that belongs to the hammerhead shark family. They are characterized by their distinctive shovel-shaped heads, which are rounded and more compact than other hammerhead species. Bonnetheads are typically found in shallow coastal waters and feed primarily on crustaceans.
How many breeds of shark are there?
Answer: Ther are approximately 440 different species of sharks divided across eight distinct orders. Examples of common sharks are great white sharks, tiger sharks, whale-sharks, dogfish, angel sharks and many others.
What is the symbiotic relationship between burdock seeds and animals?
commensalism because one benefits and the other isn't harmed
How is the skeleton of a shark similar to the skeleton of a jawless fish?
they both have lateral line for sensing.
lateral line system- sense organ that enables the fish to detect movement and vibration in the surounding water.
;>carmae
What are the benefits of eating cookies?
Cookies can provide a quick source of energy due to their sugar content. They can also satisfy cravings for something sweet or indulgent. However, it's important to consume them in moderation as they can be high in sugar, fat, and calories.
Sharks are a type of fish known for their cartilaginous skeletons, sharp teeth, and streamlined bodies designed for swimming. They belong to the Chondrichthyes class of fish, which also includes rays and skates.
What is the the estimated life span of a Megalodon?
Megalodons are estimated to have lived between 23-3.6 million years ago during the Miocene and Pliocene epochs. It is believed that they went extinct around 2.6 million years ago. Their estimated lifespan is difficult to determine precisely, but it is thought to be similar to that of modern-day great white sharks, around 30-70 years.
No, a shark is not a cetacean. Sharks belong to the class Chondrichthyes, whereas cetaceans are a group of marine mammals that include whales, dolphins, and porpoises.
How many babies does a black tipped shark have?
5 and if you want to they get sexually active 5 months before
Depending on the species of shark they can give birth up to 100 babies.Great whites only have one live pup as they eat each other in utro(before they are born)
Are there any recorded porbeagle attacks?
While both porbeagle and its slightly smaller cousin the Salmon Shark, are both large enough to be considered potentialy , there are no confirmed reports of attacks on humans by either of these sharks. Porbeagles have been known to bump boats and divers,but this is probably due to their playfull nature. Porbeagles are only sharks in the world know to have "playfull" interactions with eachother,including playing "tag", and passing seaweed and other objects to each other.
Is a shark considered a reptile?
No, sharks are not considered reptiles. They are cartilaginous fish, belonging to the group Chondrichthyes. Reptiles are a separate class of animals that include creatures like snakes, turtles, and lizards.
According to certain information, there is no such thing as a 'unicorn shark', but there is a type of Whale called a NharWhale, which before the whole entire creature was discovered, the horns of the creature were found and were believed to have been the horns of Unicorns. But then they were discovered and they were not Unicorns. Even though Unicorns do exist, they only exist in Magical Worlds far from this dimension, so they could not possibly be realted to unicorns.
What is the main difference between Agnathans and Chondrichthyes?
The main difference between Agnathans (jawless fish) and Chondrichthyes (cartilaginous fish) is the presence of jaws. Agnathans lack jaws, while Chondrichthyes have well-developed jaws. Additionally, Agnathans have a cartilaginous skeleton, while Chondrichthyes have a skeleton made of cartilage.
Why does a bala sharks tail falling apart?
it could possibly be fin rot or where another fish is picking on that fish... if u find that some fish are bullies towards that fish well then that is ur answer. if not get some finrot medication for ur local aquarium and see how u go. If it doesnt work id suggest that there may be a bully in ur tank
What do the scales of a Spiny Dogfish look like?
The scales of a Spiny Dogfish are small, sharp, and have a rough texture, making them feel prickly to the touch. They are arranged in a way that helps protect the skin of the fish from predators and abrasions.
No, a shark is not a mammal; it is classified as a fish.
Sharks are not mammals because
- They have no hair or fur
- They do not feed their young on milk
- They do not breath air
Sharks are all cartilaginous (they have no ossified bones). They all obtain the oxygen they need using gills perfused by water. They all reproduce using eggs (some species retain the eggs and produce young ovoviviparously) and do not care for the young at all once hatched. They also have no hair but please note that some species of shark (the great white) seem to be partially warm blooded but that does not make them mammals.
Chondrichthyes (pronounced /kÉ’nˈdrɪkθi.iËz/) or cartilaginous fishes are jawed fish with paired fins, paired nares, scales, two-chambered hearts, and skeletons made of cartilage rather than bone. They are divided into two subclasses: Elasmobranchii (sharks, rays and skates) and Holocephali (chimaera, sometimes called ghost sharks, which are sometimes separated into their own class).
Do sharks take care of their young?
well some baby sharks eat fish....
When the baby shark is in its mothers stomach it will eat its other brothers and sisters and when it is out of its mother stomach it will eat meat such as fish. But if it is a whale shark it would eat plankton.
Bony fish have a swim bladder that helps them regulate their buoyancy and control their depth in the water. By adjusting the amount of air in the swim bladder, bony fish can increase or decrease their buoyancy, allowing them to float or sink as needed.
Does punching a shark in the nose really stop it from attacking you?
Punching a shark in the nose would hurt the shark, but not permanently It would only temporarily hurt the shark. Also if you got attacked by a shark, do try to punch it in the nose because it stuns the shark for a short time allowing you to get out of it's jaws or away.
What is a sharks body temperature?
a shark is cold-blooded. its temperature is the same temperature as the water its in.
A great white shark is warm blooded i can increase its body temperature to temperatures slightly higher than that of the water, it temperature varies in different parts of the body, varies from about 13-25 degrees Celsius.
Are sharks danger for mermaids?
No, because mermaids have magical powers that protect them from danger sharks. Plus, they live in harmony with all sea creatures, real and imagined. so if the mermaid CAN THEY DO POWERS UNDERWATER THEN?
What is the relationship between sharks and pilot fish?
The pilot fish has been associated with and is often seen swimming around sharks, rays, and sea turtles, which are commonly referred to as the "Host Species" where it eats parasites off of and leftovers from the meals said Hosts.
