Aquatic-Salt Monsters

in Basic Fantasy Field Guide Omnibus

• Baldander - Marine shapeshifter that assumes the form and abilities of creatures it kills
• Deep One, Common - A scaled humanoid resembling both frog and fish with huge unblinking eyes
• Deep One, Hybrid - A humanoid slowly transforming into a deep one through inherited traits
• Dinosaur, Elasmosaurus - A prehistoric aquatic reptile with a flat body, short tail, and long neck
• Dinosaur, Mosasaurus - Largest member of the mosasaurid family with fish-like body and flippers
• Dinosaur, Plesiosaurus - Prehistoric aquatic reptile with flat body, short tail, long neck, and flippers
• Dolphin - An aquatic mammal that resembles a large fish, highly intelligent and friendly
• Eel, Common - Territorial eels that hide in holes and nooks to ambush prey
• Eel, Weed - Venomous eels with shaggy scales that resemble seaweed
• Eurypterid, Buffalopterus - A terrifying fusion of arachnid and aquatic predator with chitinous exoskeleton
• Eurypterid, Jaekelopterus - A terrifying creature, the largest known eurypterid
• Eurypterid, Megalograptus - A fearsome aquatic predator with a segmented exoskeleton and poisonous stinger
• Eurypterid, Pentecopterus - Fearsome sea scorpion reaching up to 5 feet 7 inches in length
• Eye, Floating - Strange fish with transparent bodies and a single prominent eye that live symbiotically with predatory sea creatures
• Fairy, Ocean - A manifestation of the consciousness of an ocean, appearing with vibrantly-colored shells, foaming waves hinted at by mirages, and an aquamarine motif
• Fish, Crusher - Thick, muscular eel-like fish with venomous spines that inhabit coral reefs
• Fish, Giant Prehistoric (Dinichthys)
• Geminate Serpent, Sea - Turquoise-scaled geminate serpents that live in oceans and large bodies of water
• Giant Jellyfish - Nearly invisible floating oceanic predator with paralytic stingers
• Giant, Sea - Sea-dwelling giants with blue skin and webbed extremities
• Golem, Rope - Made from coils of ordinary rope, designed for shipboard use
• Hippocampus - The horse of the sea, with a mane that looks like seaweed and a dolphin's tail
• Inversegen - A 5-foot tall manta ray-humanoid hybrid with a large fin-encased head
• Jotenkin - Large humanoids with kinship to giants from rugged northern coastlines
• Kraken - Possibly the largest known creature, with a body 150 feet long and 10 barbed tentacles that can reach an additional 500 feet
• Locathah - Humanoid in shape, more fish than man
• Oculus Abyssi - Aquatic spherical creature with a large eye, toothy mouth, and magical eye stalks
• Quinotaur - Legendary sea monster with forequarters of a giant bull with five horns and the rear body and fins of a shark
• Ray, Manta - Large fish with cartilaginous skeleton and flattened body that swims as if flying
• Ray, Pungi - Medium fish that conceals itself under sand with dorsal spines exposed
• Ray, Sting - Small peaceful bottom-feeding fish that attacks with stinger if disturbed
• Sahuagin - Predatory fish-man race with green coloration, darker along the back and lighter on the belly
• Sea Cat - An aquatic hybrid having a feline head and a fish body
• Sea Ghast - Hardier and more potent variant of sea ghouls with extended poison aura and greater paralysis ability
• Sea Hag - A horrible creature that appears as an old crone whose bent shape belies her power and swiftness
• Sea Lion - Monster with leonine foreparts and fish tail, covered in scales with bushy mane
• Sea Monster - Voracious creatures that sink ships and devour their crews
• Seahorse, Giant - An actual seahorse which grows almost to the size of a pony
• Selkie - Fey beings able to shift between humanoid and seal form using a magical sealskin
• Shark, Megalodon - Giant, prehistoric shark ranging from 25 to 55 feet in length
• Snail, Giant Cone - 4 to 6 feet high, extremely well-camouflaged and highly toxic
• Triton - Similar to mermen, but larger and significantly more powerful
• Turtle, Giant Sea - Shy creatures with powerful armor and a devastating bite that can swallow prey whole