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, Seltas Queen, Desert Seltas Queen, Vespoid Queen

Number: 10

Temnocerans
Akura Vashimu, Akura Jebia, Nerscylla, Shrouded Nerscylla

Number: 3

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

Number: 8

Fanged Beasts
Blango, Bullfango, Conga, Arzuros, Crimson Helmet Arzuros, Blangonga, Copper Blangonga, Bulldrome, Congalala, Emerald Congalala, Gamuto, Gogomoa, 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, Lavasioth, Lavasioth Subspecies, Aruganosu, Goruganosu

Number: 9

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, Forokururu, Gypceros, Purple Gypceros, Hororohoruru, Hypnocatrice, Breeding Season Hypnocatrice, Hypnocatrice Rare Species, Qurupeco, Crimson Qurupeco, Toridcless, Yian Garuga, One-Eyed Yian Garuga, Yian Kut-Ku, Blue Yian Kut-Ku

Number: 33

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

Number: 50

Snake Wyverns
Remobra, Najarala, Tidal 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, Nibelsnarf, Pokaradon, Royal Ludroth, Purple Ludroth, Tamamitsune

Number: 15

Elder Dragons
Alatreon, Amatsumagatsuchi, Ceadeus, Goldbeard Ceadeus, Chameleos, Dah'ren Mohran, Dalamadur, Shah Dalamadur, 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: 24

Mystery Dragons
Gore Magala, Ruins Gore Magala

Number: 2

Unclassified Monsters
Laviente, Violent Laviente, Berserk Laviente

Number: 3

Total Number of Returning Monsters

 * 224 Monsters return in Monster Hunter Y!

Herbivores
Brachiotitanos, Stegaplatos, Tricetoros

Number: 3

Fish
Ginsu Sharq

Number: 1

Neopterons
Megapteris

Number: 1

Temnocerans
Mortarachnis, Pterygios

Number: 2

Carapaceons
Arthrocoris

Number: 1

Piscine Wyverns
Megaladon

Number: 1

Bird Wyverns
Pengwyn, Strutornas, Dinaramph, Ventepinnas

Number: 4

Flying Wyverns
Dactylos, Brutal Seregios, Draconix

Number: 3

Fanged Wyverns
Desmodor

Number: 1

Brute Wyverns
Alligius, Neon Deviljho, Spinex, Tyrannicus

Number: 4

Leviathans
Ichthyadon, Cryomonstrum, Elasmeoth, Mosujho, Sub-Zero Gobul

Number: 5

Mollecorpes
Crispistoth, Teuthovis

Number: 2

Elder Dragons
Annelarchus

Number: 1

Total Number of New Monsters

 * Monster Hunter Y has up to 29 New Monsters!

Total Number of Monsters altogether

 * Monster Hunter Y has up to 253 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, and Iodrome.
 * Seltas Queen always breaks down high structures when charging into them.
 * Vespoid Queen now has a more interesting fight.

Temnocerans

 * 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.

Carapaceons

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

Fanged Beasts

 * The MHP3 Fanged Beast theme only plays for Arzuros, Lagombi, and Volvidon.
 * Christmas Volvidon can only be fought from December 22-December 31.

Piscine Wyverns

 * Cephadrome can now command its minions to help it fight.
 * Cephadrome is now more ferocious than ever.

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, and Seltas.
 * The MHX Alpha Raptor theme only plays for Great Maccau.
 * Yian Garuga can now run while doing its famed Sonic Roar attack.
 * Qurupeco/Crimson Qurupeco can now dive in the water pelican-style when fighting hunters above the surface of an aquatic environment.

Flying Wyverns

 * Monoblos and Diablos now have roars so loud that they can knock hunters back.
 * Monoblos and Diablos always break down high structures when charging into them.
 * They can use that ability to get down hunters who were previously standing on high structures.
 * When Tigrex charges into a high structure, there is a chance that it'll break it down instead of climbing it.
 * Nargacuga can now jump up walls in a ninja-esque manner.
 * Mi Ru and Diorekkusu now have a rampage attack, similar to Brute Tigrex.
 * Seregios can now attack Raptors and throw them at hunters.

Fanged Wyverns

 * Zinogre always breaks down high structures when charging into them.

Brute Wyverns

 * Deviljho now has a roar so loud that it can knock hunters back.
 * Deviljho always breaks down high structures when charging 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 it's famed fire beam attack.
 * Lagiacrus is now an equally good fighter on land and underwater.

Elder Dragons

 * White Fatalis has undergone drastic changes, similar to its black and red cousins.
 * 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.

Other

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