List of monsters in Monster Hunter Y

Lynians
Felyne, Melynx

Number: 2

Herbivores
Anteka, Aptonoth, Apceros, Kelbi, Mosswine, Mufa, Popo, Rimosetosu, Rhenoplos, Slagtoth

Number: 10

Fish
Perciform, Molid, Catfish, Arowana, Sharq, Jellyfish

Number: 6

Neopterons
Altaroth, Bnahabra, Hornetaur, Konchu, Vespoid, Seltas, Desert Seltas, Loyal Chemical Soldier Seltas, Seltas Queen, Desert Seltas Queen, Cannibal Tank Seltas Queen, Vespoid Queen

Number: 12

Temnocerans
Akura Vashimu, Akura Jebia, Nerscylla, Shrouded Nerscylla, Spider Queen Nerscylla

Number: 5

Carapaceons
Ceanataur, Hermitaur, Daimyo Hermitaur, Plum Daimyo Hermitaur, Spearbreaker Daimyo Hermitaur, Shogun Ceanataur, Terra Shogun Ceanataur

Number: 7

Fanged Beasts
Blango, Bullfango, Conga, Arzuros, Crimson Helmet Arzuros, Blangonga, Copper Blangonga, Frost Fist Blangonga, Bulldrome, Congalala, Emerald Congalala, Gamuto, Kecha Wacha, Ash Kecha Wacha, Lagombi, Heavy Snow Lord Lagombi, Rajang, Aisu Rajang, Volvidon, Christmas Volvidon

Number: 20

Amphibians
Zamite, Tetsucabra, Berserk Tetsucabra, Rock Breaking Tetsucabra, Zamtrios, Tigerstripe Zamtrios

Number: 6

Piscine Wyverns
Cephalos, Delex, Cephadrome, Plesioth, Green Plesioth, Seabream Plesioth, Lavasioth, Lavasioth Subspecies, Aruganosu, Goruganosu

Number: 10

Bird Wyverns
Baggi, Genprey, Giaprey, Jaggi, Jaggia, Ioprey, Maccau, Wroggi, Velociprey, Gargwa, Gendrome, Giadrome, Great Baggi, Great Jaggi, Great Maccau, Great Wroggi, Iodrome, Velocidrome, Farunokku, Gypceros, Purple Gypceros, Hororohoruru, Hypnocatrice, Breeding Season Hypnocatrice, Hypnocatrice Rare Species, Qurupeco, Crimson Qurupeco, Yian Garuga, One-Eyed Yian Garuga, Yian Kut-Ku, Blue Yian Kut-Ku

Number: 31

Flying Wyverns
Giggi, Remobra, Akantor, Anorupathisu, Barioth, Sand Barioth, Basarios, Ruby Basarios, Berukyurosu, Dhuragaua, Diablos, Black Diablos, Diorekkusu, Espinas, Espinas Subspecies, Espinas Rare Species, Gigginox, Baleful Gigginox, Gravios, Black Gravios, Khezu, Red Khezu, Meraginasu, Mi Ru, Monoblos, White Monoblos, Deadly Splitting Spear Monoblos, Nargacuga, Green Nargacuga, Lucent Nargacuga, White Gale Nargacuga, Pariapuria, Poborubarumu, Raizekusu, Arashi Berserker Raizekusu, Rathalos, Azure Rathalos, Silver Rathalos, Black Flame King Rathalos, Rathian, Pink Rathian, Gold Rathian, Violet Poison Princess Rathian, Seregios, Divine Usurper Seregios, Tigrex, Brute Tigrex, Molten Tigrex, Ruinous Hook Claw Tigrex, Ukanlos, Unknown (Black Flying Wyvern), Varusaburosu, Zerureusu

Number: 54

Snake Wyverns
Najarala, Tidal Najarala, Sonic Boom Najarala

Number: 3

Fanged Wyverns
Zinogre, Stygian Zinogre, Golden Thunder Prince Zinogre

Number: 3

Brute Wyverns
Abiorugu, Barroth, Jade Barroth, Brachydios, Black Brachydios, Deviljho, Dinovaldo, Incinerating Blade Dinovaldo, Duramboros, Rust Duramboros, Giaorugu, Uragaan, Steel Uragaan, Pumpkin Uragaan, Treasure Clad Uragaan

Number: 15

Leviathans
Ludroth, Pokara, Uroktor, Agnaktor, Glacial Agnaktor, Baruragaru, Gobul, Lagiacrus, Ivory Lagiacrus, Abyssal Lagiacrus, Storm Lord Lagiacrus, Nibelsnarf, Pokaradon, Royal Ludroth, Purple Ludroth, Tamamitsune, Deadly Ballet Tamamitsune

Number: 17

Elder Dragons
Alatreon, Amatsumagatsuchi, Ceadeus, Goldbeard Ceadeus, Chameleos, Dah'ren Mohran, Dalamadur, Shah Dalamadur, Dire Miralis, Fatalis, Crimson Fatalis, White Fatalis, Garuba Daora, Gogmazios, Harudomerugu, Inagami, Jhen Mohran, Hallowed Jhen Mohran, Kirin, Oroshi Kirin, Kushala Daora, Lunastra, Osutogaroa, Shagaru Magala, Teostra

Number: 25

Mystery Dragons
Gore Magala, Ruins Gore Magala

Number: 2

Unclassified Monsters
Laviente, Violent Laviente, Berserk Laviente

Number: 3

Total Number of Returning Monsters

 * 232 Monsters return in Monster Hunter Y!

Herbivores
Brachiotitanos, Stegaplatos, Tricetoros

Number: 3

Fish
Ginsu Sharq

Number: 1

Neopterons
Perlupter

Number: 1

Temnocerans
Arenonchus, Mortarachnis

Number: 2

Carapaceons
Terros, Abyssorachis, Diplon

Number: 3

Piscine Wyverns
Laminoth, Squatrox

Number: 2

Bird Wyverns
Pengwyn, Strutornas, Dinaramph, Ventepinnis

Number: 4

Flying Wyverns
Dermactylos, Brutal Seregios, Draconix

Number: 3

Fanged Wyverns
Desmodor

Number: 1

Brute Wyverns
Alligius, Neon Deviljho, Shattered Mountain Brachydios, Spinex, Tyrannicus

Number: 5

Leviathans
Ceteroth, Acquolloth, Cryomonstrum, Scopulinca, Sub-Zero Gobul, Thallarex

Number: 6

Mollecorpes
Latenox, Atrovis, Crispistoth

Number: 3

Elder Dragons
Annelarchus, Insulostus

Number: 2

Total Number of New Monsters

 * Monster Hunter Y has up to 37 New Monsters!

Total Number of Monsters altogether

 * Monster Hunter Y has up to 269 Monsters to hunt!

Herbivores

 * Rimosetosu are now a bit tougher.

Neopterons

 * Desert Seltas can now dig underground and wait for hunters to come close so it can slash at them.
 * Seltas shares the MH4 Alpha Raptor theme with Velocidrome, Gendrome, Iodrome, and Giadrome.
 * Seltas Queen always breaks down high structures when charging into them.
 * Vespoid Queen now has a more interesting fight.

Temnocerans

 * Nerscylla is now weak to Dragon as well as Fire (and Thunder when its Gypceros skin is off).
 * Akura Vashimu/Akura Jebia has undergone a design change similar to Rathalos, Rathian, Aptonoth, and the Dromes.
 * Akura Vashimu/Akura Jebia gains a bite attack where it extends out its chelicerae in order to snap at a hunter.
 * Akura Vashimu/Akura Jebia gains a pin attack where it grabs a hunter and starts pinching him/her and smashing him/her with its tail.
 * Akura Vashimu and Akura Jebia are now weak to Dragon.

Carapaceons

 * Daimyo Hermitaur and its Hermitaur young can now walk underwater.
 * Daimyo Hermitaur now minds its own business unless hit.
 * Shogun Ceanataur and its Ceanataur young can now walk underwater.
 * Shogun Ceanataur and its Ceanataur young now mind their own business unless hit.

Fanged Beasts

 * Blangonga and Congalala are now weak to Dragon as well as Fire.
 * Rajang always breaks down high structures with its physical attacks.
 * Rajang is now weak to Dragon as well as Ice.
 * Kecha Wacha is no longer weak to Fire, now being weak to Thunder and Dragon.
 * The MHP3 Fanged Beast theme only plays for Arzuros, Lagombi, and Volvidon.
 * Gamuto always breaks down high structures when charging into them.
 * It can use that ability to get down hunters who were previously standing on high structures.
 * Gamuto now has a slightly different roar.
 * Gamuto is no longer weak to Thunder, now being weak to Fire and Dragon.
 * Christmas Volvidon can only be fought from December 22-December 30.

Piscine Wyverns

 * Cephadrome can now command its minions to help it fight.
 * Cephadrome is now more ferocious than ever.
 * Seabream Plesioth can only be fought from December 31-January 1.

Bird Wyverns

 * Giadrome has undergone the same changes all the other Dromes have undergone.
 * The Dromes can now connect their pounce with a pin attack if they successfully hit a hunter.
 * The Dromes are now more ferocious than ever.
 * The Dromes have undergone a design change similar to Rathalos, Rathian, and Aptonoth.
 * The MH3 Alpha Raptor theme only plays for Great Jaggi, Great Baggi, and Great Wroggi.
 * The MH4 Alpha Raptor theme only plays for Velocidrome, Gendrome, Iodrome, Giadrome, and Seltas.
 * The MHX Alpha Raptor theme only plays for Great Maccau.
 * Velocidrome is no longer weak to Ice, now being weak to Thunder and Dragon.
 * Gendrome is no longer weak to Ice, now being weak to Water and Dragon.
 * Iodrome is now weak to Dragon as well as Thunder.
 * Giadrome is now weak to Dragon as well as Fire.
 * Great Jaggi, Great Baggi, and Great Maccau are now weak to Dragon as well as Fire.
 * Great Wroggi is now weak to Dragon as well as Ice.
 * Yian Kut-Ku, Gypceros, and Hypnocatrice now mind their own business unless hit.
 * Gypceros is now weak to Dragon as well as Fire.
 * Yian Garuga can now run while doing its famed Sonic Roar attack.
 * Yian Garuga is now weak to Dragon as well as Water.
 * Qurupeco/Crimson Qurupeco can now dive in the water pelican-style when fighting hunters above the surface of an aquatic environment.

Flying Wyverns

 * Rathian and Rathalos could now break down high structures by hitting them with a fireball.
 * They can use that ability to get down hunters who were previously standing on high structures.
 * Monoblos and Diablos now have roars so loud that they can knock hunters back.
 * When Monoblos and Diablos charge into high structures in rage mode, they will break it down instead of ledging themselves/burrowing into it.
 * Berukyurosu is now weak to Dragon as well as Ice.
 * Raizekusu now has a different roar.
 * When Tigrex charges into a high structure in rage mode, it will break it down instead of ledging itself.
 * It also always breaks down high structures by jumping or spinning into them.
 * Tigrex gains an attack where it uses its claws to swipe at a hunter.
 * Tigrex is no longer weak to Dragon, now being weak to Water and Thunder.
 * Nargacuga can now jump up walls in a ninja-esque manner.
 * Nargacuga is no longer weak to Fire, now being weak to Thunder and Dragon.
 * Barioth is no longer weak to Thunder, now being weak to Fire and Dragon.
 * Gigginox is now weak to Dragon as well as Fire.
 * Mi Ru and Diorekkusu now have a rampage attack, similar to Brute Tigrex and Molten Tigrex.
 * Seregios can now attack Raptors and throw them at hunters.
 * Seregios is no longer weak to Ice, now being weak to Thunder and Dragon.

Snake Wyverns

 * Najarala is no longer weak to Water, now being weak to Ice and Dragon.

Fanged Wyverns

 * Zinogre always breaks down high structures when charging into them.
 * Zinogre is now weak to Dragon as well as Ice.

Brute Wyverns

 * Barroth always breaks down high structures when charging into them.
 * Deviljho now has a roar so loud that it can knock hunters back.
 * Deviljho can break down high structures by charging, jumping, or spinning into them.
 * Deviljho gains an attack where it smashes its tail onto the ground, causing a tiny earthquake.
 * Deviljho is no longer weak to Dragon, now being weak to Water and Thunder.
 * Brachydios can break down high structures by jumping into them or detonating them with its slime.
 * Dinovaldo can break down high structures by charging, jumping, or spinning into them.
 * Pumpkin Uragaan can only be fought from October 22-October 31.

Leviathans

 * Gobul gains a pin attack where it grabs a struggling hunter in its jaws and tries to close them as he/she pushes them open.
 * Agnaktor/Glacial Agnaktor gains an attack where it digs into the ceiling, unearths only its head, and then does its famed fire beam attack.
 * Lagiacrus is now an equally good fighter on land and underwater.
 * Tamamitsune now minds its own business unless hit.

Elder Dragons

 * Lunastra has undergone the same changes Teostra has undergone.
 * Dah'ren Mohran can now do a tremor attack and launch the Dragon Ship a few feet up into the air before they both land again. (This also does damage to the ship.)
 * Along with this, it could punch a hole through the Dragon Ship with its drill-like horn when in Rage mode.
 * Osutogaroa can now be fought underwater.

Other

 * Remobra is now classified as a Flying Wyvern again.
 * Akura Vashimu and Akura Jebia are now reclassified as Temnocerans.
 * Gore Magala is classified as a new monster type called Mystery Dragons.