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Most fish are not jawless. There is a small group of very primitive fish called Jawless fish (Agnatha). However, they make up a very small proportion (<1%) of the fish species on earth. Jawless fish are things like lamprey and hagfish. All other fish, like trout, salmon, tuna, sharks, rays, cichlids, goldfish, etc, etc, have jaws.
See the related link for more information on the primitive jawless fish.
What else can I help you with?
What are lampreys called?
Lampreys are jawless fish known for their eel-like appearance and circular mouth filled with sharp teeth. They are sometimes referred to as "eel-like fish" due to their long, slender bodies and lack of jaws.
What does a jawfish eat in the ocean?
jawless fishes have hyperotonic fluid in their bodies .THE concentration of salt in sea water greater as compare to in their bogies .Jaless fishes secrete some salty secration to make the balance of the concentration of the fluid balance in the body. BUT OTHER FISHES have isotonic fluid to maintain the enternal environment of their body.
What sea creatures do give birth?
Various types of animals give birth in different ways. For example, mammals (except for the two monotremes - platypuses and echidnas) and some reptiles and fish give birth to living breathing offspring, and most other reptiles, fish and amphibians, together with birds, lay eggs that have to be hatched later.
Do agnatha have side fins?
Yes, agnatha, which are jawless fish like lampreys and hagfish, do not have paired side fins like other fish. Instead, they have a long, eel-like body with a single dorsal fin running along their back.
DO fish lay eggs or give birth?
Most fish lay eggs. Depending on what type it is ... Some lay eggs and some give birth. When you get new fish and you already gave loads you don't know whether they're boy or girl so quite a few might give birth or lay gags.
Are some jawless fish parasites?
yes
How do you use jaw - less fish in a sentence?
In some cultures, jawless fish are a delicacy.
Are jawless fish useful to man?
Recently scientists have become interested in the unique slime that hagfish produce and that research will probably lead to some new technology, so yes the jawless fish are useful to man.
What are some characteristics of fish?
water1. There are Jawless fish, Cartilaginous Fish, and Bony fish. An example of a Jawless is a Lamprey, a Cartilaginous a Shark, a Bony an everyday goldfish.2. All fish are cold-blooded, which means they take the temperature in their surroundings, not being able to generate their own body heat.3. Almost all fish lay eggs. Guppies, Mollies, Swordtails, Platys, and the American Native Mosquito Fish have eggs in the womb, but they hatch while inside the female. She soon gives birth to live young. A Grey Nurse Shark will give birth to live young, and sometimes some of her young may eat their siblings in her womb.
What are lampreys called?
Lampreys are jawless fish known for their eel-like appearance and circular mouth filled with sharp teeth. They are sometimes referred to as "eel-like fish" due to their long, slender bodies and lack of jaws.
Are lungfish carnivores?
Both jawless fish and cartilaginous fish have skeletons composed of cartilage and distinct brains. Also, some cartilaginous fish don't have scales, and all jawless fish don't have scales. Cartilaginous fish, however, have jaws, paired appendages, and a kind of vertebrae. Jawless fish do not have jaws, paired appendages, and often are without vertebrae.
What kind of prehistoric animals are ostracoderms?
They were jawless fish that lived during the Paleozoic era Stunningly some of our oldest ancestors came from ostracoderms!
Give you some example of bony fish?
Some example of bony fish are swordfish, clown fish, puffer fish, eels and lake trouts.
Is a lamprey a vertebrate?
No, a lizard is not and amphibian it is a reptile because if it was and amphibian it would live in water. Plus it has scales...
What are the 3 groups of fish. What are some of the differences that separate these groups?
The three main groups of fish are jawless fish (agnatha), cartilaginous fish (chondrichthyes), and bony fish (osteichthyes). Jawless fish, like lampreys and hagfish, lack jaws and have a simple body structure. Cartilaginous fish, such as sharks and rays, have a skeleton made of cartilage instead of bone. Bony fish possess a bony skeleton and include the vast majority of fish species, featuring a more complex anatomy, including swim bladders for buoyancy and gills covered by a bony operculum.
What are examples of jawless fish?
Jawless fishes were the first vertebrates to live on earth. As their name suggests, they have no jaws. Instead, they have mouths for scraping, stabbing and sucking food. Their skeletons are made of cartilage, not bone. Hagfishes and lampreys are the only jawless fishes that are still alive. They are usually scavengers, that live near the ocean floor. Some can also be parasites.
How are jawless fish different in addition ways from other fish?
jawless fishes have hyperotonic fluid in their bodies .THE concentration of salt in sea water greater as compare to in their bogies .Jaless fishes secrete some salty secration to make the balance of the concentration of the fluid balance in the body. BUT OTHER FISHES have isotonic fluid to maintain the enternal environment of their body.
