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How are lampreys different from hagfishes?

Lampreys differ from hagfishes by having a notochord that is surrounded by a tube of cartilage.


The skeletons of lampreys and hagfishes are made of?

The skeletons of lampreys and hagfishes are made of cartilage rather than bone. This cartilaginous skeleton provides structure and support to their bodies without the need for true bones.


Are Lampreys and hagfishes are examples of what kind of fishes members of the class Agnatha?

jawless fishes


Do pigeons have a lobed liver?

Yes pigeons have spleens. All vertebrates have spleens except lampreys and hagfishes.


What vertebrates don't have jaws?

Lampreys and hagfishes are the only jawless vertebrates to survive today. They both have a round mouth and for this reason are often referred to as cyclostomes.


How are jawless fish different in aditional ways form other fish?

They also do not have pairs of fins like most fish. But the most remarkable thing about these fish is that they do not have jaws! Instead, the mouths of these fishes have structures for scraping, stabbing. Hagfishes and lampreys are the only living kinds of jawless fishes.


Do lampreys have predators?

lampreys are only hunted by man


Lampreys and hagfishes are examples of what kind of fishes members of the class Agnatha?

Bony fishHag fishLamprey(both of these are known as the jawless fish)Sharks and rays(both of these are known as cartilaginous fish)Lob-finned fishThis is a very simplified classification of something that is very complex. To see the full tree, try WikiSpieces.


What is the basic groups of fish?

There are three general groups. The first group is jawless fish. They only contain lampreys and hagfishes. The second group is cartilaginous fish, which includes sharks, rays, and their relatives. The last group is bony fish, and they contain every other kind of fish- tuna, clownfish, anglerfish, whatever.


How do hagfishes reproduce?

by pooing


What would fish look like if they belong to class Agnatha?

n. 1. a class of eel-shaped chordates with a cartilaginous skeleton lacking jaws, scales, and pelvic fins. Among these are the lampreys and hagfishes. There are some extinct forms.


Do hagfish and lampreys have lungs or gills?

Hagfish and lampreys have gills. They are the only living members of a primitive group of fish without jaws. They have round sucker-like mouths.