List of animals

=Animals Known in the Halo universe=

Native on a Human world

 * Rat
 * Fish (Sierra 117 species)
 * Fish (High Ground species)
 * Seagull

Native on a Covenant world

 * Thorn Beast
 * Scrub Grub

Native on a Forerunner world

 * Moth
 * Butterfly
 * Fish (Delta Halo species)