Crustaceous Rex feeds on the Jamaican population of Mutant Giant Squid until they were destroyed by Godzilla. It then came to the surface in search of food. Crustaceous Rex proceeded to a nearby town.

Classification: Crustaceous Mutation

Powers and Abilities: Superhuman Physical Characteristic, large size(Type 1), Underwater breathing(type 2), enhanced senses, regeneration(Low-Mid), camouflage, breath attack/biological manipulation(with tar), natural weaponry(Tentacles and ink blasts)

Attack Potency: At least Island level(Crustaceous Rex has enough strength to hold and hurt Godzilla and King Cobra)

Speed: Subsonic(running speed) with Supersonic+ reaction speed(Able to dodge Godzilla attacks in battle)

Lifting Strength: Class G(Scaling from Godzilla)

Striking Strength: At least Island Class(C-rex physical attacks can hurt Godzilla)

Durability: At least Island Level(C-Rex survived multiple Tachyons' Laser cannons, can survive Godzilla Atomic Breath)

Stamina: High

Range: Extended Melee, hundreds of meters with Ink Blast

Standard Equipment: Tentacles

Intelligence: Animalistic. Crustaceous Rex has shown enough intelligence to use its tentacles to grip Godzilla arms to save itself from the fall through it might be possible that it was trying to bring Godzilla to fall with it.

Weakness: None notable

Notable Attacks and Techniques: 

Tar Blast: From its mouth, C-Rex can launch a concentrated stream of sticky tar. It uses the tar to encase its prey in which the substance will begin siphoning all the nutrients of the victims body.