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Does a fish hasve a bony skeleton?
Yes, many fish species have a skeleton of bones for example Trout, Salmon and Cod, although some shell fish have no bones at all, such as Oysters and Lobsters.
Is a salmon a bony fish?
No but some species yes
Does bony fish have a body covering?
not all fish have skeletons on the outer skins of their body but some like the sword fish do
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 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.
Do fish obtain oxygen by gulping air into their lungs or by absorbing it through ther skin?
Yes, some do. Osteichthyes (bony fish) in general have an ability to gain oxygen directly from air. Some bony fish like mudskippers can do the same but also absorb oxygen in epidermal capillaries
What feature do bony fishes have that cartilaginous fishes don't have?
The upper jaw of a cartilaginous fish is not attached like it is in bony fish, although both sets of jaws work in the same way. Bony fish have a protective bony plate that covers the gills. Cartilaginous fish lack this covering but have their own way of protecting the gills.
What are some common characteristics of osteichthyes?
bony fish, overlapping scales, ribs, lateral line
Which type of fish has a scaly body covering?
Most bony fishes have scaly covering on body as Labeo .
What are some examples of organisms in the three classes of fish?
Osteichthyes are bony fish. So bass, perche, crappe, and so on.
Difference between bony and cartilagenous fish?
Some sharks have bones like us however some sharks have bones that are made out of cartilage.
Do all fish lays eggs?
No, not all fish lay eggs. There are some fish that give birth to live young. One example is some species of shark. Other examples are mollies, swordtail, platies and guppies. not true
