Hello visitor! A note about the contents of this wiki: Barotrauma is a game with several years' worth history as a free-download open source game, and this wiki has been written primarily based on this legacy version. As such, not all content is relevant to the Steam release. So please wait patiently as the contents are updated, and feel free to contribute new information once the Steam version of Barotrauma is released!


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Armored Points

Beak and Upperside


2.5 (7 if running)


2.5 (4.5 if sprinting)



Can Enter Submarine?







The Mudraptor is a creature from Barotrauma resembling a grotesque mix between a dinosaur and a shrimp. They are the second most common creatures in the ocean, after Crawlers.

Description[edit | edit source]

Mudraptors are medium but agile creatures, and are one of the few creatures capable of entering the Submarine. Mudraptors possess two strong legs which allow them to walk in a bipedal posture, and an extremely sharp beak capable of breaching the Submarine hulls and kill Humans by Bleeding them to death. They have teal skin, covered by many grey shells and tiny, almost vestigial hand-like appendages.

Mudraptors commonly appear in small groups of 1-3 individuals (upper/lower limit depending on the local difficulty), and will tend to stick together, breaching the Submarine and wreaking havoc together.

In-game[edit | edit source]

Due to their sharp beak, Mudraptors are extremely efficient at piercing Hulls and Doors, flooding the Submarine, and their size allows them to easily fit inside and run around the ship. Should they find a way in; they will peck to death each and every Human on board.

Mudraptors are comparatively weaker than most other Creatures, however, they are the most powerful creature capable of breaching into the submarine, totaling at 120 HP (Slightly more than a Human's). Their Armor will also protect fully protect them from Bleeding, and halve the effect of Internal Damage. If you intend to fight a mudraptor, it is recommended to shoot their unprotected areas, like their legs and underside (which are easy targets, as they are naturally exposed when they are walking) as damage done there is 50% more effective, since despite being naturally resistant to Bleeding, it's an extremely effective way to deal with them. However, the best course of action is shooting them before they have a chance to breach into the Submarine, as a Railgun will make short work of Mudraptors, whether they are armored or not.

A wounded Mudraptor will flee when its health falls below 20.

Mudraptors in the environment are hard to avoid, as nothing but a Decoy will distract them from attacking, furthermore, they are aggressive towards light sources.

Killing a Mudraptor allows the Crew to always extract one unit of Hydroxyapatite from its carcass, and roughly 6.25% of the time, they will yield an intact Mudraptor Shell (simply [G]rab its body, and take the item from their inventory). Hydroxiapatite is a mineral which can be deconstructed into Calcium and two units of Phosphorus.

Damage Values[edit | edit source]

Item Attack Damage
Bleeding Damage
Structure Damage
Stun Damage
Damage Type
Attack Duration
Beak 20
10 (Affliction)
0.25 Seconds
5 Seconds
Item Beak
Attack Damage 20
Bleeding Damage 10 (Affliction)
Structure Damage 5
Stun Damage 0.1
Damage Type [DEPRECATED]
Attack Duration 0.25 Seconds
Cooldown 5 Seconds|}}

Trivia[edit | edit source]

  • The Mudraptor is the Steam Release replacement for the legacy Mantis.
  • Mudraptors are prone to getting stuck inside the Submarine, as they sometimes will breach into rooms without valid paths.
  • Mudraptors tend to gather in ruts and narrow spaces in submarines' hulls, causing significant collective damage to exterior walls in a small area.
  • The name Mudraptor was chosen by the community, its early instances were named as Manta.

Gallery[edit | edit source]

Audio[edit | edit source]