Fish Anatomy
Guide to the Internal Morphology of the European Eel,
Shape
The Great Fiji Butterflyfish Count 2008
Sharks
16. Class Osteichthyes Notes
Fish
Marine Biology Angelfish
MAIN IDEA: What are the main external and internal anatomical features of fish ?
PHYLUM CHORDATA Dorsal Notochord-long rod that supports the body- becomes the vertebrae in most. Dorsal Nerve cord-becomes the central nervous system.
Skates & Rays Skates and rays are both cartilaginous fishes that are related to the sharks.
By Brayan Silva Ortega. There are five different groups of animals with vertebrates. These classification are: Mammals Fish Birds Amphibians Reptiles.