MH4U: Monsters

General Information

 * A total of 89 Monsters are in the game; 23 Small monsters and 66 Large monsters.
 * 80 returning monsters are in the game; 23 Small monsters and 58 Large Monsters.
 * Returning 1st Generation monsters are Apceros, Aptonoth, Basarios, Cephadrome, Cephalos, Diablos, Black Diablos, Felyne, Gendrome, Genprey, Gravios, Black Gravios, Gypceros, Purple Gypceros, Iodrome, Ioprey, Kelbi, Khezu, Red Khezu, Fatalis, Crimson Fatalis, Kirin, Melynx, Monoblos, Rathalos, Azure Rathalos, Silver Rathalos, Rathian, Pink Rathian, Gold Rathian, Velocidrome, Velociprey, Yian Garuga, Yian Kut-Ku, and Blue Yian Kut-Ku.
 * Returning 2nd Generation monsters are Akantor, Conga, Congalala, Emerald Congalala, Daimyo Hermitaur, Plum Daimyo Hermitaur, Hermitaur, Kushala Daora, Rusted Kushala Daora, Popo, Rajang, Remobra, Teostra, and Tigrex.
 * Returning 3rd Generation monsters are Altaroth, Bnahabra, Brachydios, Brute Tigrex, Delex, Deviljho, Savage Deviljho, Gargwa, Great Jaggi, Jaggi, Jaggia, Lagombi, Rhenoplos, Slagtoth, Zinogre, and Stygian Zinogre.
 * Returning 4th Generation monsters are Basarios Subspecies, Dara Amadyura, Daren Mohran, Gore Magala, Kecha Wacha, Kirin Subspecies, Konchu, Najarala, Nerscylla, Seltas, Seltas Queen, Shagaru Magara, Sukuagiru, Tetsucabra, Tigrex Rare Species, and Zamtrios.
 * 8 new monsters are in the game; no Small monsters and 8 Large Monsters.
 * 7 New Subspecies for old monsters: Kecha Wacha Subspecies, Nerscylla Subspecies, Seltas Queen Subspecies, Seltas Subspecies, Tetsucabra Subspecies, Tidal Najarala, and Zamtrios Subspecies.
 * 1 New Flying Wyvern: Seruregiosu.
 * The Carapaceon Monster Type, previously not present in Monster Hunter 3, Monster Hunter Portable 3rd, Monster Hunter 3 Ultimate, and Monster Hunter 4, returns in this game.

Monsters with Minor Roles / References to Old Monsters

 * Because of the introduction of Material Exchange in Monster Hunter 4, some monster materials present in the game do not automatically mean that the monster itself is available to be fought. The following are a list of monsters whose items, weapons or armor have been confirmed to exist, but the monster themselves are not physically seen in the game:
 * Agnaktor, Arzuros, Barioth, Barroth, Blangonga, Ceadeus, Chameleos, Duramboros, Gobul, Jhen Mohran, Lagiacrus, Lao-Shan Lung, Lavasioth, Lunastra, Nargacuga, Nibelsnarf, Qurupeco, Royal Ludroth, Shen Gaoren, Shogun Ceanataur, Ukanlos, Uragaan, Vespoid, Volvidon, and Yama Tsukami.
 * The following are a list of monsters whose materials and Equipment are not available in the game, but its Scraps (used for creating Palico Equipment) are available and are only obtainable at Felyne Comrade Quests:
 * Amatsumagatsuchi
 * Equipment for Ivory Lagiacrus and Terra Shogun Ceanataur exist in this game which was previously unavailable in Monster Hunter 4. It is currently unknown whether the monsters will return in the game or only their materials will be present for Material Trade.