Asked in Uncategorized
What is are some similarities of sharks and bony fish?
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Asked in Animal Life, Sharks
What are some differences of sharks and bony fish?
Asked in Bats, Whales, Sharks, Similarities Between
What are some similarities between sharks and whales?
Asked in Whale Sharks
What are similarities between whale sharks and whales?
Asked in Fish
If fish swim backwards will they die?
If most sharks swim backwards they will drown because they do do not have any way to make water flow over the gills. Some sharks and most bony fish have a "buccal pump" meaning that the mouth and (in bony fish) the operculum is designed to actively pump water over the gills. Not many fish can swim backwards. A couple that can are the puffer fish and the seahorse.
Asked in Sharks, Great White Sharks, Bull Shark
Do sharks feel pain in their fins?
Asked in Zoology or Animal Biology
What is a fish skeleton called?
All fish are vertebrates (except for hagfish which do not have true vertebrae and are considered proto vertebrates ). Fish have an endoskeleton which is the support structure inside their bodies .About 90% to 95% of the world's fish species are bony fish. The remainder are cartilaginous fish such as sharks .The skeleton of a fish is either made of cartilage which is the flexible connective tissue found around our joints and in our nose or bones . Bony fish also have a hard, bony plate, called an operculum, covering their gills. Some have rays, or spines, in their fins. Bones are very dense while cartilage is light. There are 25,000 types of bony fish . Some common types are :- Salmon, tuna, goldfish, seahorses, eels. Examples of cartilaginous fish are sharks, rays and skates .
Asked in Sharks
What type of relationship do sharks have with fish?
Asked in Sharks
How do sharks feel pain in their fins?
It is unlikely that they do at all. Elasmobranchs such as rays and sharks lack nociceptors, the nerves that translate noxious stimuli into neural signals. Nociceptors appear in bony fish and basically all later vertebrates, as well as some invertebrates, but are absent in cartilaginous fish such as sharks.
What are the general characteristics of bony fishes?
Answer: There are two types of fish - bony fish, and cartilaginous fish. The main thing that sets bony fish apart from cartilaginous fish is the presence of a skeleton made of bone (a cartilaginous fish has a skeleton made out of - you guessed it - cartilage.) Bony fish also have a hard, bony plate, called an operculum, covering their gills. They may also have distinct rays, or spines, in their fins. Characteristics and Classification of Bony Fish: Some documents refer to the bony fish as the Osteichthyes, which used to be recognized as a class of organisms. Osteichthyes is still used commonly to refer to the two main types of bony fish: Ray-finned fishes, or Actinopterygii Lobe-finned fishes, or Sarcopterygii, which includes the coelacanths and lungfishes. Classification of Bony Fish: Kingdom: Animalia Phylum: Chordata Class: Actinopterygii Evolution of Bony Fish: The first fish-like creatures appeared over 500 million years ago. Bony fish and cartilaginous fish diverged about 420 million years ago. Read More About Fish Evolution thaks for ABOUT.COM :) lm
Asked in Angelfish
Does angelfish have cartilage or bone?
Most "regular" fish, such as the angelfish, have a skeleton made of bone (class osteichthyes, I think). Fish such as sharks, skates, and rays have a skeleton made of cartilage (class chondrichthyes). Even bony fish, though, such as your angelfish, have some cartilage for flexibility. I believe that the baby bony fish, like a human fetus, has pure cartilage until the bone forms. DL
Asked in Science, Sharks, Great White Sharks, Tiger Sharks
How sharks get the power to swim compared to bony fish?
Sharks are set apart from other fish mainly by their body composition. Usually fish have skeletons made of bone, just like mammals, reptiles, amphibians and birds. Sharks are unique in that their skeletons are made entirely of cartilage. Cartilage differs from bone since its flexible, but it is similar in sturdiness. Also cartilage had less density than bone, which keeps the shark lightweight so they don't sink in the ocean and prevents sharks from needing an air bladder like other fish. Another unique feature of the shark is its skin texture, which consists of a type of scales called denticles. This differs from bony fish which have large noticeable scales. Denticles are aligned in such a way that water is channeled over the body minimizing drag. Sharks are similar to bony fish in that they both breathe by extracting oxygen from the water. As the shark moves, water enters the mouth and passes over the gills and escapes via gill slits behind its head. The oxygen gets diffused into the sharks bloodstream as the water passes through. These slits are covered in bony fish, but are exposed in sharks. The majority of bony fish depend on a swim bladder which navigate them through the water. The bony fish takes in oxygen and releases a portion of the gas into the bladder, which increases its buoyancy causing the fish to rise. When the fish sinks, it does this by squeezing some of the gas out of its bladder, which decreases its buoyancy. So in essence, a bony fish is kind of like the good year blimp. The shark on the other hand is more like a plane, without a swim bladder it uses its own forward movement to control position. Much like a plane uses its propeller, a shark uses its tail to move forward by swinging it back and forth. This forward movement pushes water around the fins, creating lift.
What fish starts with S and is 14 feet long?
Asked in Fish
What tends to have the lowest volume of urine production a sharks b marine bony fish c freshwater salmon d humans?
c. freshwater salmon Because some marine bony fish, mammals, and sharks produce large amounts of urine... Isn't it b? Since the marine environment is very dehydrating as it has a large amount of salts in it so the marine bony fish is hypo-osmotic compared to it's evironment. This means water will flow from the bony fish to the environment. If it were to produce a large amount of urine it would become more dehydrated which is deathly to all organisms. Therefore in order to conserve water the bony fish will drink large volumes of water and excrete very little, very concentrated urine. P.S. It can't be sharks as they actually slowly gain water since the urea and the trimethylamine that they store make the shark hyper-osmotic to the environment so water slowly enters the shark :) Hope this helps