Xenomorph Appearance: Physical Traits of Xenomorphs


The Xenomorph's look changes a lot across movies, games, comics, and novels. This page collects AvP Central's best guides on Xenomorph physical traits and variants, from signature features like the tail, inner jaws, dorsal tubes, acid blood, and strange sensory abilities. Furthermore, we explore the many offshoots and hybrids the expanded universe keeps throwing at us. If you're here to compare what makes a Predalien different from a Praetorian, why some Aliens are red or albino, or how weird things get with hybrids and other experiments, you're in the right place.

The Xenomorph tail on a promotional image for the first AvP movie

Xenomorph Tail: Length, Features, And Anatomy


The Xenomorph tail is one of the Alien most powerful weapons, capable of piercing, slashing, and constricting its prey. This article explores the length, anatomy, and unique features of the Xenomorph tail, as well as its tactical uses in combat, showing how integral it is to the species hunting prowess.

By Janno Vares February 26, 2025   Xenomorph Appearance

The Xenomorph Dorsal tubes on a Giger painting

Xenomorph Dorsal Tubes: What Are They Used For?


The Xenomorph is known for its exotic dorsal tubes, which are one of the most distinctive features of its anatomy. This guide explores the possible functions and significance of the Xenomorph dorsal tubes, providing insight into their biological role and their impact on the creature behavior and physiology.

By Janno Vares January 16, 2025   Xenomorph Behavior | Xenomorph Appearance

The closeup of a Xenomorph mouth

Xenomorph Mouth: A Guide To Alien Teeth And Jaws


The Xenomorph is known for its iconic mouth designed by H.R. Giger, featuring the terrifying inner jaw. This guide explores the intricate details of the Xenomorph jaws and teeth, providing insight into their biological functions and their role in the creature predatory behavior.

By Janno Vares January 22, 2024   Xenomorph Appearance

The Crocodile Xenomorph - A Big Xenomorph

Biggest Xenomorphs: Alien Size Comparison


The Xenomorphs come in many forms and sizes, often depending on the type of the host. Here is a list of Xenomorphs ranked by their physical size, including several Xenomorphs from the Expanded Universe like the Alien King and Crocodile Alien.

By Janno Vares April 13, 2023   Xenomorph Appearance

A Xenomorph with eye sockets

Xenomorph Vision: Seeing Without Eyes


Although the creature in Alien had eye sockets under the transparent dome, the most common Xenomorphs don't have eyes. The Alien sequels and games have given us a glimpse of the vision of the Xenomorphs, including the fisheye lens view and seeing the aura of their enemies.

By Janno Vares December 23, 2020   Xenomorph Behavior | Xenomorph Appearance