Aquatic Monsters

in Old-School Essentials Classic Fantasy

• Dragon Turtle - Massive aquatic creatures up to 200 feet long, occasionally mistaken for rocky outcroppings or small islands
• Giant Aquatic Termite - Giant (1'–5' long), wood-eating, aquatic insects with a sack to take in and jet out water
• Giant Bass - Shy fish that only attack when seeing a bite-size morsel
• Giant Catfish - 15' long, pale white fish with four feelers that lurk in mud
• Giant Crab - Unintelligent crustaceans that lurk in coastal waters and creep along beaches
• Giant Crocodile - More than 50' long crocodile that will attack small ships
• Giant Octopus - Giant, eight-armed cephalopods. Lurk in coastal waters, close to settlements.
• Giant Piranha - 5' long piranhas with black and green scales that attack anything in water
• Giant Rockfish - Spiny fish with lumpy, rock-like skin that live in saltwater shallows
• Giant Squid - Giant, ten-armed cephalopods. Two of the ten arms are larger, and may be used to attack ships
• Giant Sturgeon - Huge aggressive fish with armour plating, nearly 30' long
• Killer Whale - 25' long, carnivorous whales. Dwell in cold waters and hunt sea creatures (including other whales)
• Large Crocodile - 20' or more long crocodile that may attack small watercraft
• Leech, Giant - Slimy, segmented wormlike creatures which live in water
• Lizardman - Semi-intelligent, tribal, aquatic humanoids with reptilian heads and tails
• Merfolk - Aquatic humanoids with fish tails in place of legs. Live in coastal waters, farming seaweed and hunting fish
• Narwhal - 15' long, intelligent, magical whales with grey to white skin and an 8' long, spiralling horn on their nose. Live independent and secretive lives in arctic waters
• Nixie - Small water fairies with pale green skin and dark green hair
• Normal Crocodile - Large reptiles that are ungainly on land and live primarily in water
• Sea Dragon - Intelligent, aquatic dragons with green scales, fin-like wings, and a yellowish crest
• Sea Serpent - Serpentine monsters which live in the sea, ranging from 20' to 40' long
• Sea Snake - 6' long snakes that live underwater, coming up for breath only once per hour
• Shark - Aggressive, predatory fish of low intelligence and unpredictable behaviour
• Sperm Whale - Gargantuan whales up to 60' long. Dwell in open oceans and hunt deep sea monsters (e.g. giant squids)