Fish

Caracteristics: fish are vertebrates
Structure: the have gills to help them breath and scales to protect them from prdtors.
Facts: Fish make up more than half of the vertebrate species.
There is approximatley 23000 different species in this group
Scientific name example: barbus cumingi, barbus vittatus

HYPERLINKS:
1. http://www.biology-resources.com/fish-01.html

2. http://www.dec.ny.gov/education/63884.html