Giant Crayfish

Large beast, Unaligned

Armor Class 15 (natural armor)

Hit Points 45 (7d10 + 7)

Speed 30 ft., swim 30 ft.

STR 15 (+2)

DEX 13 (+1)

CON 13 (+1)

INT 1 (-5)

WIS 9 (-1)

CHA 3 (-4)

Skills Stealth +3

Senses blindsight 30 ft., passive Perception 9

Languages —

Challenge 2

Amphibious. The giant crayfish can breathe air and water.

Actions

Multiattack. The giant crayfish makes two claw attacks.

Claw. Melee Weapon Attack: +4 to hit, reach 5 ft., one target. Hit: 7 (1d10 + 2) bludgeoning damage, and the target is grappled (escape DC 12). The crayfish has two claws, each of which can grapple only one target.

Source

TftYP, p. 235