Blood Crawler

The Blood Crawler is an aggressive life form belonging to the fauna category. It is mainly found in the Blood Kelp Caves and the Lost River.

Appearance
The Blood Crawlers main body is about the same size as a Cave Crawler, however, it possesses very long legs (even longer than the player's height), covered with inward facing spikes, giving it a more intimidating look than that of its relatives.

Most of its body is cyanish blue in color, while its legs are red tipped. It has a large, bioluminescent redish-pink glowing eye with red sclera and blue pupil. Also, there are four smaller simple eyes situated near its mandibles.

Behavior
The Blood Crawler moves in groups, typically patrolling the seabed, and will attack the player when approached. More notably, the Blood Crawler moves much faster than its relative.

It is also capable of climbing onto the walls and ceilings of most surfaces, including Seabases, cave walls, the Seamoth and the Cyclops.

Trivia

 * The Blood Crawler is a subspecies of the Cave Crawler.
 * The Blood Crawler's legs do not count as part of the model, and will remain unaffected from the Stasis Rifle's field and various other attacks, such as the Player's Knife or the PRAWN's Claw Arm punches.
 * The Blood Crawler's design is most likely inspired by real life spider crabs.
 * The Blood Crawler is referred to as the "Shuttlebug" in the game's code, while the Shuttlebug was referred to as the "Jumper". As such, entering "SPAWN SHUTTLEBUG" into the console will spawn a Blood Crawler.
 * In the current experimental builds (Possibly due to an oversight), they aren't immune to the damage from the Brine Pools in the Lost River Biome. The Brine deals enough damage to instantly kill an affected Crawler.  This causes them to have a hilariously short lifespan in the areas of that biome where they spawn, as they either spawn in the brine or wander into it within seconds.