Types of Fish-Animal Classification
Fish are in the animal kingdom, and are in the phylum chordata.
In addition, Fish have a notochord, tubular nerve chord, and some type of a gill
In this video I would like to talk about three categories of fish.
The jawless fish, the fish that have flexible bones made of cartilage and the boney fish.
Agnathan are jawless fish and lack paired fins. They also lack an internal skeleton system.
They have a strange circular mouth.
Common examples include the hagfish and the lamprey
Chrondrichthyes
These fish have flexible bones made of cartlilege
The most common examples are sharks and rays.
This group of fish contain some very fierce predators.
Osteichthyes are fish that have calcified bones similar to our bones.
They have paired gills and scales
They live in fresh and salt water.
Here are some common examples.
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