Leviathan

Leviathans (Japanese 海竜種 Kairyūshu) are a class of monsters first appearing in the third generation. This class is large wyverns that are specialized in swimming. Leviathans are known to usually be the top predators of their environments like Flying Wyverns.

Third Generation Leviathans

Fourth Generation Leviathans

Frontier Generation Leviathans

Monster Hunter Online Leviathans

None / Unconfirmed.

Monster Hunter Explore Leviathans

Monster Hunter Stories Leviathans

Notes

Leviathans were introduced in the Third Generation of the Monster Hunter series and as such, no Leviathan existed in the Generations prior to Third and in Monster Hunter Orage.
There are currently no new Leviathans in Monster Hunter Online.
Despite being mammals, both Pokaradon and Pokara are classified as Leviathans.

v • d • e Monsters by Type

Monster Types	Amphibian • Bird Wyvern • Brute Wyvern • Carapaceon • Fanged Beast • Fanged Wyvern • Fish • Flying Wyvern • Herbivore • Leviathan • Lynian • Neopteron • Piscine Wyvern • Relict • Snake Wyvern • Temnoceran • Wingdrake • ??? • Elder Dragon • Unclassified Monster

Amphibians	Zamite Tetranadon • Tetsucabra • Drilltusk Tetsucabra • Berserk Tetsucabra • Zamtrios • Tigerstripe Zamtrios

Bird Wyverns	Apiposu • Baggi • Gargwa • Genprey • Giaprey • Ioprey • Izuchi • Jaggi • Jaggia • Maccao • Velociprey • White Velociprey • Wroggi Aknosom • Chramine • Ice Chramine • Farunokku • Forokururu • Gendrome • Giadrome • Great Apiposu • Great Baggi • Great Izuchi • Great Jaggi • Great Maccao • Great Wroggi • Gypceros • Purple Gypceros • Hypnocatrice • Breeding Season Hypnocatrice • Zenith Hypnocatrice • Gold Hypnocatrice • Silver Hypnocatrice • Iodrome • Kulu-Ya-Ku • Malfestio • Nightcloak Malfestio • Pukei-Pukei • Coral Pukei-Pukei • Qurupeco • Crimson Qurupeco • Toridcless • Zenith Toridcless • Tzitzi-Ya-Ku • Velocidrome • Yian Kut-Ku • Blue Yian Kut-Ku • Yian Garuga • Scarred Yian Garuga • Deadeye Yian Garuga • One-Eared Yian Garuga • Delma-Ioprey

Brute Wyverns	Abiorugu • Disaster Wyvern • Giaorugu • Zenith Giaorugu • Anjanath • Fulgur Anjanath • Banbaro • Barroth • Barroth EX Jade Barroth • Brachydios • Raging Brachydios • Unit-01 Brachydios • Iceblast Brachydios • Deviljho Savage Deviljho • Starving Deviljho • Aberrant Deviljho • Four Heavenly King Deviljho • Duramboros • Explosive Peak Duramboros • Rust Duramboros Gasurabazura • Zenith Gasurabazura • Glavenus • Hellblade Glavenus • Acidic Glavenus • Radobaan • Uragaan • Crystalbeard Uragaan • Pumpkin Uragaan • Shiningrock Uragaan • Uragaan EX • Watermelon Uragaan • Steel Uragaan

Carapaceons	Ceanataur • Hermitaur • Kusubami Akura Vashimu • Zenith Akura Vashimu • Akura Jebia • Baelidae • Dread Baelidae • Daimyo Hermitaur Stonefist Hermitaur • Zenith Daimyo Hermitaur • Gonngenn Hermitaur • Plum Daimyo Hermitaur Shen Gaoren • Guren Shen Gaoren • Teppeki Shen Gaoren • Shogun Ceanataur Rustrazor Ceanataur • Swordmaster Shogun Ceanataur • Onimusha Terra Shogun Ceanataur • Taikun Zamuza • Zenith Taikun Zamuza

Fanged Beasts	Blango • Bombadgy • Bullfango • Canyne • Conga Arzuros • Redhelm Arzuros • Bishaten • Blood Orange Bishaten • Blangonga • Zenith Blangonga • Copper Blangonga • Flame Blangonga Bulldrome • Caeserber • Ghost Caeserber • Yellow Caeserber • Congalala • Emerald Congalala Gold Congalala • Gammoth • Elderfrost Gammoth • Garangolm • Gogomoa • Goss Harag • Kamu Orugaron • Midogaron Kecha Wacha • Ash Kecha Wacha • Kumashira • Lagombi • Snowbaron Lagombi • Witch Lagombi Lolo Gougarf • Nono Orugaron • Rajang • Furious Rajang • Enma Rajang • Ray Gougarf • Slicemargl • Purple Slicemargl Voljang • Volvidon • Black Star Beast Volvidon • Christmas Volvidon • Naco Agul

Fanged Wyverns	Girros • Jagras • Shamos • Wulg Dodogama • Great Girros • Great Jagras • Lunagaron • Magnamalo • Odogaron • Ebony Odogaron • Tobi-Kadachi • Viper Tobi-Kadachi • Zinogre • Thunderlord Zinogre • Howling Zinogre • Immortal Zinogre • FFBE Zinogre • Stygian Zinogre

Fishes	Fish • Gajau

Flying Wyverns	Egyurasu • Giggi • Halk Akantor • Anorupatisu • Zenith Anorupatisu • Astalos • Boltreaver Astalos • Barioth • Frostfang Barioth • Frozen Barioth • Sand Barioth Basarios • Crystal Basarios • Sandstone Basarios • Ruby Basarios] • Bazelgeuse • Seething Bazelgeuse • Berukyurosu • Bogabadorumu • Bombardier Bogabadorumu • Doragyurosu • Zenith Doragyurosu Zenith Doragyurosu • Diablos • Bloodbath Diablos • Black Diablos • Gilded Diablos • Diorekkusu • Dyuragaua • Espinas Zenith Espinas • Espinas Subspecies • Espinas Rare Species • Gigginox • Virulent Gigginox Yoga Gigginox • Baleful Gigginox • Gravios • Zenith Gravios • Black Gravios • Gureadomosu • Gurenzeburu Hyujikiki • Zenith Hyujikiki • Khezu • Zenith Khezu • Red Khezu • Legiana • Shrieking Legiana • Meraginasu • Mi Ru Mysterious Mi Ru • Monoblos • Shattered Monoblos • White Monoblos • Nargacuga Fiercewater Nargacuga • Blinking Nargacuga • Silverwind Nargacuga • Green Nargacuga • Lucent Nargacuga • Odibatorasu • Paolumu • Nightshade Paolumu • Pariapuria • Thirsty Pariapuria Poborubarumu • Rathalos • Destruction Wyvern Rathalos • Dreadking Rathalos • Flame Rathalos • Zenith Rathalos • Azure Rathalos • Silver Rathalos Rathian • Dreadqueen Rathian • Conflagration Rathian • Scorching Heat Rathian Pink Rathian • Gold Rathian • Seregios • Demonic Seregios • Tigrex • Grimclaw Tigrex • Flame Tigrex Zenith Tigrex • Tigrex EX • Unit-02 Tigrex • Sweet Tooth Tigrex • Brute Tigrex • Molten Tigrex • Ukanlos • Varusaburosu • Zerureusu • Sparkling Zerureusu Zenaserisu • Unknown

Herbivores	Anteka • Apceros • Aptonoth • Aptonoth EX • Bullfango • Burukku • Epioth Erupe • Gastodon • Kelbi • Kestodon • Larinoth • Moofah • Mosswine • Popo • Rhenoplos • Slagtoth

Leviathans	Ludroth • Pokara • Uroktor • Uroktor EX Agnaktor • Agnaktor EX • Glacial Agnaktor • Almudron • Baruragaru • Zenith Baruragaru • Gobul • Witch Gobul Kuarusepusu •Lagiacrus • Landconquest Lagiacrus • Ivory Lagiacrus • Abyssal Lagiacrus • Mizutsune Soulseer Mizutsune • Thunderbubble Mizutsune • Nibelsnarf • Pokaradon • Royal Ludroth • Purple Ludroth • Somnacanth

Lynians	Boaboa • Felyne • Goruru • Gajalaka • Grimalkyne • Melynx • Metaru • Shakalaka • Uruki King Shakalaka

Neopterons	Altaroth • Bnahabra • Hornetaur • Great Thunderbug • Great Dracophage Bug • Konchu • Vespoid Ahtal-Ka • Seltas • Desert Seltas • Seltas Queen • Desert Seltas Queen • Vespoid Queen

Piscine Wyverns	Cephalos • Delex Aruganosu • Beotodus • Cephadrome • Goruganosu • Jyuratodus • Lavasioth • Lavasioth Subspecies Plesioth • Seabream Plesioth • Whitewater Plesioth • Green Plesioth

Relicts	Leshen • Ancient Leshen

Snake Wyverns	Remobra Najarala • Tidal Najarala

Temnocerans	Rachnoid Nerscylla • Shrouded Nerscylla • Rakna-Kadaki

Wingdrakes	Barnos • Cortos • Mernos • Noios • Raphinos

???	Epona • Estrellian • Doom Estrellian • Arbiter Estrellian • Gore Magala • Chaotic Gore Magala • Tenth Angel Gore Magala • Great Poogie • Kurenai Goukami

Elder Dragons	Alatreon • Amatsu • Behemoth • Ceadeus • Goldbeard Ceadeus • Chameleos • Risen Chameleos • Dalamadur • Shah Dalamadur • Dah'ren Mohran • Disufiroa • Dire Miralis • Eo Garudia • Eruzerion • Burning Freezing Eruzerion • Fatalis • Crimson Fatalis • White Fatalis • Gaismagorm • Garuba Daora • Gogmazios • Guanzorumu • Ruler Guanzorumu • Harudomerugu • Zenith Harudomerugu • Inagami • Jhen Mohran • Hallowed Jhen Mohran • Keoaruboru • Kirin • Thunder Emperor Kirin • Oroshi Kirin • Kulve Taroth • Kushala Daora • Rusted Kushala Daora • Lao-Shan Lung • Ashen Lao-Shan Lung • Lunastra • Makili Pietru • Malzeno • Merphistophelin • Elemental Merphistophelin • Morudomunto • Myo Galuna • Namielle • Nakarkos • Nefu Garumudo • Nergigante • Ruiner Nergigante • Oltura • Rukodiora • Rebidiora • Safi'jiiva • Shagaru Magala • Shara Ishvalda • Shantien • Tartaronis • Infernal Tartaronis • Teostra • Risen Teostra • Toa Tesukatora • Vaal Hazak • Blackveil Vaal Hazak • Valstrax • Velkhana • Versa Pietru • Xeno'jiiva • Yama Kurai • Yama Tsukami • Zorah Magdaros