Eiyaa-Mahtuhaa

This unidentified alien creature is a native species of Erebus VII. They have horns, tails, and short legs and arms. They look similar to lizards. When ONI settled on the planet, some of these creatures were captured and studied in a reseach facility. They were detained in tubes filled with an orange fluid.

Trivia
These creatures appear on the War Games map Abandon.

List of appearances

 * Halo 4