| Rathian | The "Queen of the Land," these female fire- breathing wyverns are known for their powerful legs and lethal, poison-secreting tails. | |
| Rathalos | Fearsome wyverns known as "Kings of the Skies." Armed with powerful poison claws, they use their aerial prowess to descend on prey from above. | |
| Guardian Rathalos | An artificial species created by an ancient civilization with a Rathalos's power. Beware the energy released by their powerful claw attacks. | |
| Gravios | Large wyverns found in the Oilwell Basin. Their highly developed carapaces repel attacks and emit powerful heat rays. | |
| Yian Kut-Ku | Bird wyverns with impressive beaks, big ears, and an appetite for insects. Skittish by nature, they will still put up a fight if threatened. | |
| Gypceros | Monsters that use their prominent crest to stun foes with disorienting flashes of light before finishing them off with poisonous saliva. | |
| Congalala | Large, pink fanged beasts. Beware their potent breath, which changes based on their mushroom diet, and stench, which disables recovery items. | |
| Blangonga | Large, white fanged beasts that rule over other Blango, attacking as a pack. They exhibit a range of mobility, particularly in snowy climes. | |
| Lagiacrus | Leviathans that exist at the top of the aquatic food chain. They have appeared in the waters of the Scarlet Forest, drawn in by its fertile environment. | |
| Nerscylla | Temnocerans that afflict poison, sleep, and webbing ailments—skillfully cornering prey, then hunting it with their pincer-like jaws. | |
| Gore Magala | Monsters draped in great wings like a black overcoat. They have no eyes, so instead they use a scattering of fine scales to locate prey. | |
| Seregios | Fiercely territorial flying wyverns known for the sharp, blade-like scales covering their bodies. | |
| Mizutsune | Specially evolved leviathans, Mizutsune can secrete a peculiar foam that deftly covers their foes in dangerous bubbles. | |
| Guardian Fulgur Anjanath | An artificial species created by an ancient civilization with a Fulgur Anjanath's power. They can discharge lightning and have a nasty bite. | |
| Guardian Ebony Odogaron | An artificial species created by an ancient civilization with an Ebony Odogaron's power. The flurries from their foreclaws pose a threat. | |
| Doshaguma | Rugged, territorial fanged beasts that exhibit an aggressive disposition and inhabit a large range. Sometimes observed in large packs. | |
| Guardian Doshaguma | An artificial species created by an ancient civilization with a Doshaguma's power. They boast an incredibly robust physique and can spew acid. | |
| Balahara | Desert-dwelling leviathans that use their supple, serpentine bodies to create quicksand traps. Weak against sonic bombs when they're submerged. | |
| Chatacabra | Amphibians that affix rocks to their forelimbs to power up attacks. Break this "armor" to create an attack opening. The tongue is most vulnerable. | |
| Quematrice | Brute wyverns that spread flammable vapor which they then ignite with their tails. They subsist on prey stolen from other predators. | |
| Lala Barina | Temnocerans native to the Scarlet Forest with distinctive, pirouette-like movements. The florets they release have a paralytic effect. | |
| Rompopolo | Dappled brute wyverns that prowl Oilwell Basin. The gas from their tongues is toxic, and the gas in their tails can detonate the earth. | |
| Rey Dau | The flying wyvern that reigns supreme over the Windward Plains' ecosystem. It is able to store, amplify, and discharge the Sandtide's lightning. | |
| Uth Duna | The leviathan that reigns supreme over the Scarlet Forest's ecosystem. Its protective veil can also generate a wave to keep foes at bay. | |
| Nu Udra | The cephalopod that reigns supreme over Oilwell Basin's ecosystem. A vision of hell, it attacks with tentacles and ignited oilsilt. | |
| Ajarakan | Fanged beasts that adhere metal to their bodies and use friction to heat and cause explosions. They move in groups during the Firespring. | |
| Arkveld | A wyvern with chain-like wings. The flexible chainblades on their wings are used to mow down prey and absorb elemental energy. | |
| Guardian Arkveld | An artificial species created by an ancient civilization based on a presumed extinct, legendary monster called Arkveld. | |
| Hirabami | Leviathans that inhabit the Iceshard Cliffs. They have sharp, pincer-like tails and membranes on their necks that catch the wind to keep them aloft. | |
| Jin Dahaad | A leviathan that sits at the peak of the Iceshard Cliffs' ecosystem. It generates cold air via cooling organs across its massive body. | |
| Xu Wu | Cephalopods that roam the Ruins of Wyveria and prey on Guardians. This often leads to conflicts between the two monsters. | |
| Zoh Shia | A Guardian created to be Wyveria's savior. It was feeding off the Dragontorch, drawing from the vast stores of energy while it slumbered. | |
| High Purrformance Barrel Puncher | ||
| Omega Planetes | An Omega frame that crossed the interdimensional rift. It descended on the Forbidden Lands to find stronger lifeforms and planets to invade. | |
| Vespoid | Neopterons with paralyzing poison stingers. They are quite fragile, so carefully take them down with your Slinger or poison to safely carve materials. | |
| Conga | Fanged beasts with pink fur that prefer mild, damp climates. Generally, they don't form large packs and only live together in small numbers. | |
| Blango | Fanged beasts with snow-white pelts. Blango travel in packs with a Blangonga at the head, working together to eliminate intruders. | |
| Ceratonoth (Male) | Male Ceratonoth. They use their large spikes to disperse lightning into the ground and protect the females of their sizeable herds. | |
| Ceratonoth (Female) | Female Ceratonoth. In a harsh climate where nourishment is difficult to come by, they are frequently targeted by predators. | |
| Dalthydon | Herbivores that move between habitats in response to environmental changes. When in danger, they use their head plating to fight back. | |
| Dalthydon (Livestock) | Herbivores that are raised as livestock. In addition to providing wool and milk, they are also used for physical labor. | |
| Bulaqchi | Neopterons that use swarming tactics to contain and subdue prey, then dissolve it from the inside. Sonic bombs will disable their sensory organs. | |
| Talioth | Carnivores that work together to attack intruders using their powerful jaws. A clever hunter can turn them against larger monsters. | |
| Baunos | Winged wyverns that vibrate their thoraxes to create a deafening roar. You can nab screamer pods from them using the Hook Slinger. | |
| Gajios | Leviathans with distinct snouts that live near water. Obtain bleeding pods by firing your Hook Slinger at them. | |
| Piragill | Leviathans with beautiful scales and blade-like protrusions. They primarily inhabit the Scarlet Forest, and hunt in highly organized packs. | |
| Harpios | Winged wyverns that are identifiable by the long, sharp horn on their heads. Obtain piercing pods by firing the Hook Slinger at them. | |
| Kranodath | Small carnivores that prowl Oilwell Basin, hunting in small packs. They have been known to engage larger monsters while feeding. | |
| Comaqchi | Neopterons with well-developed tail stingers and forelegs. They surround prey in colonies, using their tails to inject a sleeping agent. | |
| Gelidron | Amphibians that have adapted to their dry, hot habitat by producing a protective slime. Their tasty flesh makes them a target of carnivores. | |
| Rafma | Herbivores that live in herds in cold areas. They are targeted by predators as a source of sustenance where flora and fauna are scarce. | |
| Porkeplume | Bird wyverns with sharp bristles on their heads. Obtain Slinger ammo that is effective at creating wounds by firing your Hook Slinger at them. | |
| Nerscylla Hatchling | Newly-hatched Nerscylla larvae. They form colonies in the bodies of devoured prey, nests, and other hidey-holes, and react as a group when provoked. | |
| Guardian Seikret | Artificial wyverns created by an ancient civilization. They hatch from small cocoons and travel in packs, attacking with sharp claws. | |
| Omega Micros | Small machines made by Omega Planetes. They home in on targets, then self-destruct. Reports suggest that they are quite sensitive to sound. |