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
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.
Yes, sharks do have nostrils called nares. They are located on the underside of their snout and are used primarily for smelling rather than breathing. Sharks rely more on their keen sense of smell to locate prey and navigate their surroundings.
What do baby smoothhound sharks eat?
They eat small crabs. I no becaese I found this out on "Blue peter" They eat small crabs. I no becaese I found this out on "Blue peter" They eat small crabs. I no becaese I found this out on "Blue peter"
Where does the mako shark live?
Mako sharks are found in oceans worldwide, preferring warm and temperate waters. They are known to inhabit both coastal and offshore areas, often found in deep waters but also venturing to shallower regions. Mako sharks are highly migratory and can be found in both tropical and cooler waters.
What are the four most dangerous sharks?
1. Great white shark
2.Bull shark
3. Tiger Shark
4. Oceanic White tip Shark
5. great hammer head shark
6. Black tip Reef Shark
7. Sand Tiger Shark
8. Hammerhead Shark
9. Blue Shark
10. black tale fin shark
How many sharks give live birth?
Some sharks lay eggs on the bottom of the ocean, called devil's wheelbarrows or mermaid's purses. Most sharks give birth to live young.
Mammals are a class of animals characterized by their warm-blooded nature, hair or fur covering their bodies, and typically giving birth to live young that they nurse with milk produced by mammary glands. They include a wide range of animals such as humans, dogs, cats, elephants, and whales.
Can sharks puke their stomachs out?
No, sharks cannot puke their stomachs out like some other animals. Sharks have a unique anatomy that prevents them from doing so. If a shark needs to get rid of indigestible items, it will regurgitate them through their mouth.
If you leave the window open just a bit, goblins can sneak in and take you in to the darkness. They will roast you until your screams echo in the forest around you. Then, when you are begging for death, it is their pleasure to rip into your flesh. And then, when all is quite, you slip from the world of the living with a silent prayer.
most types of goblins are supposed to eat people and animals, any type of raw meat.
Where do humpback live in what zone midnight zone?
Humpback whales live in all oceans of the world. They have feeding areas, and breeding areas.
North Pacific humpbacks feed off Russia, Alaska, Aleutian Islands, and Canada. They breed in three areas: Baja California, Hawaii, and the islands south of Okiniwa, Japan.
Atlantic humpbacks feed as far north as Norway and breed south of the Caribbean.
Southern Ocean humpbacks feed in the southern areas and breed off the west coast of Australia, New Zealand, Tonga, Samoa and Fiji.
There are humpback whales seen year around Costa Rica. Just a few days ago a humpback whale was seen in Hong Kong Bay for the first time in many years.
Gummy sharks, Mustelus antarcticus, are small sharks that eat mostly crustaceans, marine worms, small squid, and small fish. Unlike most sharks, its front teeth are flat to help it crush food.
Gummy sharks are mostly found in the waters around southern and western Australia and New South Wales.
How big is the biggest shark ever?
A shark's feces is actually a soupy liquid anywhere from a brown to greenish brown color. Shark feces disintergrates quick in water. With a quick swish of its tail the sharks feces excretes from it's cloaca and returns its fully digested prey to the sea! It looks like a big cloud in the water.
How meny lemon sharks got killed?
It's unclear how many lemon sharks are killed annually as global estimates of shark mortality are difficult to quantify. Lemon sharks are at risk of being killed due to overfishing, bycatch, and habitat destruction. Conservation efforts are in place to help protect lemon shark populations and ensure their survival.
Why do frogs swallow things whole?
Frogs do not have teeth to chew their food, so they swallow prey whole and rely on their powerful digestive system to break down the food. Swallowing prey whole also allows frogs to quickly consume their meals before they have a chance to escape.
What does the clasper in a shark do?
The clasper in a male shark is a specialized fin used for transferring sperm to the female reproductive tract during mating. It is a modified pelvic fin that aids in reproduction by allowing the male to securely attach to the female during the mating process.
What structural adaptations gave bony fish an advantage over cartilaginous fish?
Bony fish have a bony skeleton that provides more support and protection compared to the cartilaginous skeleton of cartilaginous fish. Bony fish also have a swim bladder, which helps with buoyancy control, allowing for more efficient swimming. Additionally, bony fish have scales that provide further protection against predators and environmental factors.