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Zamtrios are Amphibians introduced in Monster Hunter 4.

Physiology

Zamtrios is a large, quadrupedal monster with grey-blue skin and yellow fins. It is superficially shark-like in appearance, with a long, pointed snout and a mouth filled with multiple rows of sharp teeth. Zamtrios is sometimes seen encased in an ice-like armor, which forms many spines and horns all over its body. As the adult form of Zamite, its limbs are powerful and fully-developed. Its skin is extremely elastic in order to accommodate its inflation abilities.

Behavior and Abilities

Zamtrios is a predator, known to launch surprise attacks on prey from beneath the sea ice. When sufficiently threatened or enraged, it will secrete a reactive fluid through its skin, which solidifies into an ice-like material, forming an "armor" over its skin to prevent damage. 

Zamtrios is capable of shooting powerful torrents of water from its mouth to blast away enemies. It can also travel beneath the ice to launch ambush attacks on prey. Using a specialized reactive fluid that is secreted through its skin, it is capable of encasing itself in an icy armor similar to that of Glacial Agnaktor. The armor also forms a long and jagged spear at the end of its snout. The reactive fluid that forms the armor can be spat by the Zamtrios to immobilize its prey. In addition, it can also fill itself with fluid and swell up to massive proportions. In this state it is capable of rolling and jumping on top of targets in an effort to crush them.

Habitat

Zamtrios inhabits the icy Frozen Seaway and Polar Field.


Game Appearances

In-Game Description

Monster Hunter 4
両生種のモンスター。氷の下から獲物に襲いかかり、体温低下や氷結なので標的が行動不能になるのを待つ。 体内に蓄積する特殊な液体を噴出し、周囲を氷結させて身体に鎧のような氷をまとったり、想像を絶する変貌をとげる事から”化け鮫”とも呼ばれている。カエルを好んで食べる。
Threat Level (危険度): ★★★★
Monster Hunter 4 Ultimate
Amphibians that strike from frozen waters, using the cold to stun their prey. They secrete a special liquid that both coats their own body with icy armor and freezes any nearby foes. Frogs are their favorite food.
Threat Level (危険度): ★★★★
Monster Hunter Generations
Amphibians that strike from frozen waters, using the cold to stun their prey. They secrete a special liquid that both coats their own body with icy armor and freezes any nearby foes. Frogs are their favorite food.
Threat Level (危険度): ★★★★
Monster Hunter Stories
Amphibian monsters known for the astonishing changes that occur when they coat their bodies in icy armor.
Monster Hunter Stories 2: Wings of Ruin
Amphibian monsters known for the astonishing changes that occur when they coat their bodies in icy armor. They are able to create this armor by spraying themselves with a special liquid that builds up in their bodies.

Analysis and Guides

For details, see Zamtrios Guides.


Zamtrios Analysis for Monster Hunter 4
Cutting Damage
(Click Image to Zoom)
(Coming Soon)
Impact Damage
(Click Image to Zoom)
(Coming Soon)
Shot Damage
(Click Image to Zoom)
(Coming Soon)
Brighter Red means more damage, while Darker Red means lesser damage.
Credits for the Images used above goes to kei_9 (ケイ) of Pixiv


Raw Hitzone Damage Data
Hitzone Cutting Damage Impact Damage Shot Damage
Head
Fin
Tail
Belly
Element Hitzone Damage Data
Hitzone Fire Water Thunder Ice Dragon
Head
Fin
Tail
Belly
This Monster is weakest to: Thunder


Status Effects Data
Poison Paralysis Sleep Stun Fatigue Blast Mount
Initial Tolerance N/A N/A
Max Tolerance N/A N/A
Tolerance Increase N/A N/A N/A N/A N/A N/A N/A
Duration N/A N/A N/A
Damage N/A N/A N/A N/A N/A N/A
Item Effectiveness Data
Item Name Able
Effectiveness
Duration
Normal Enraged Fatigued
Pitfall Trap Yes N/A N/A (?)
Shock Trap Yes N/A N/A (?)
Flash Bomb Yes N/A N/A (?)
Sonic Bomb Yes N/A N/A (?)
Notes:
  • Sonic Bomb only works when Zamtrios is swimming.
Meat No N/A


Analysis Data Source/s:

MH4U Breakable Parts

Head (x1)
Right Leg (x1)
Left Leg (x1)
Top Fin (x1)
Tail (x1)


Notes

General Notes

  • It appears to use the Water element as well as the Ice element when enraged.
  • Zamtrios can be killed and carved in its inflated form.
  • Zamtrios can use its inflated form to hide its limping and fatigue.
  • While inflated, Zamtrios will sometimes drop a shiny from time to time.
  • Zamtrios' roar requires HG Earplugs to block.
  • Zamtrios gets its nickname Bakesame, literally meaning "Monster Shark", from its unbelievable transformation when it inflates itself and also from its transformation from an adolescent Zamite into an adult in such a short timespan.
  • Early concept art of Zamtrios was based on the Basking Shark and Frilled Shark.[1]
  • Zamtrios's tail and face can be broken, along with its fin and front legs.
  • When underground it can be affected by Sonic Bombs.
  • Zamtrios was voted 81st place in the Hunters' Choice for Top Monster during Monster Hunter's 20th Anniversary.[2]
    • This is also the highest placement for Amphibian class monster in poll.

Monster Hunter 4 Ultimate

  • When enraged, Zamtrios will roar, then instantly form its armor.
  • Before attacking Zamtrios sometimes does a stance that looks like Nargacuga's "Prowler Stance", but unlike Nargacuga, Zamtrios can turn at the hunter before attacking and it could do any kind of attack depending what the hunter is doing, and where the hunter is.
    • When enraged Zamtrios can do this up to three times.
    • In G Rank, it takes lesser time to perform attacks while it is in prowler stance.
  • When Zamtrios takes a certain amount of damage while enraged or still has its armor on, Zamtrios will inflate itself several times bigger and will attempt to crush the hunter with its massive weight.
    • Fortunately because of its massive size and decreased mobility it leaves Zamtrios vulnerable to stronger attacks the hunter couldn't usually use if it was enraged.
    • Additionally, the longer Zamtrios is inflated and the more damage it takes, its skin will begin to turn red. When leaving this state Zamtrios will "deflate", releasing a gas that inflicts Iceblight if the Hunter is too close.
  • In high rank, Inflated Zamtrios can immediately roll after jumping backwards.
  • This monster can swim through ice leaving only the fin on its back visible, much like the Glacial Agnaktor.
  • Similar to the Glacial Agnaktor, using Fire element weapons will melt the ice on Zamtrios's body.
  • In G Rank, Zamtrios can do a 360º sweeping water beam.
  • It can be infected by the Frenzy Virus.
  • Like Plesioth and Gobul, Hunters can use Frogs to fish them out.
  • During the localization process, the other potential name candidate for Zamtrios was Gnathalos.

  • External Links

    New MH4U monster names unveiled at Japan Expo
    Monster Hunter 4 Ultimate: Localization & The Jaws of Life!


    Monsters appearing in Monster Hunter 4 (edit)
    Herbivore  Aptonoth  Kelbi  Popo  Rhenoplos  Slagtoth
    Amphibian  Zamite
     Tetsucabra  Zamtrios
    Fanged Beast  Conga
     Congalala  Emerald Congalala  Kecha Wacha  Lagombi  Rajang  Furious Rajang
    Lynian  Felyne  Melynx
    Neopteron  Altaroth  Bnahabra  Konchu
     Seltas  Seltas Queen
    Temnoceran  Nerscylla
    Bird Wyvern  Gargwa  Genprey  Ioprey  Jaggi  Jaggia  Velociprey
     Gendrome  Great Jaggi  Gypceros  Purple Gypceros  Iodrome  Velocidrome  Yian Garuga  Yian Kut-Ku  Blue Yian Kut-Ku
    Brute Wyvern  Brachydios  Deviljho  Savage Deviljho
    Fanged Wyvern  Zinogre  Stygian Zinogre
    Piscine Wyvern  Delex
    Snake Wyvern  Remobra
     Najarala
    Flying Wyvern  Akantor  Basarios  Ruby Basarios  Gravios  Black Gravios  Khezu  Red Khezu Rathalos  Azure Rathalos  Silver Rathalos  Rathian  Pink Rathian  Gold Rathian  Tigrex  Brute Tigrex  Molten Tigrex
    Elder Dragon  Dalamadur  Dah'ren Mohran  Fatalis  Crimson Fatalis  Kirin  Oroshi Kirin  Kushala Daora  Shagaru Magala  Teostra
    ???  Gore Magala
    Monsters appearing in Monster Hunter 4 Ultimate (edit)
    Herbivore  Apceros  Aptonoth  Kelbi  Popo  Rhenoplos  Slagtoth
    Amphibian  Zamite
     Tetsucabra  Berserk Tetsucabra  Zamtrios  Tigerstripe Zamtrios
    Fanged Beast  Conga
     Congalala  Emerald Congalala  Kecha Wacha  Ash Kecha Wacha  Lagombi  Rajang  Furious Rajang
    Lynian  Felyne  Melynx
    Carapaceon  Hermitaur
     Daimyo Hermitaur  Plum Daimyo Hermitaur
    Neopteron  Altaroth  Bnahabra  Konchu
     Seltas  Desert Seltas  Seltas Queen  Desert Seltas Queen
    Temnoceran  Nerscylla  Shrouded Nerscylla
    Bird Wyvern  Gargwa  Genprey  Ioprey  Jaggi  Jaggia  Velociprey
     Gendrome  Great Jaggi  Gypceros  Purple Gypceros  Iodrome  Velocidrome  Yian Garuga  Yian Kut-Ku  Blue Yian Kut-Ku
    Brute Wyvern  Brachydios  Raging Brachydios  Deviljho  Savage Deviljho
    Fanged Wyvern  Zinogre  Stygian Zinogre
    Piscine Wyvern  Delex  Cephalos
     Cephadrome
    Snake Wyvern  Remobra
     Najarala  Tidal Najarala
    Flying Wyvern  Akantor  Basarios  Ruby Basarios  Diablos  Black Diablos  Gravios  Black Gravios  Khezu  Red Khezu  Monoblos  White Monoblos  Rathalos  Azure Rathalos  Silver Rathalos  Rathian  Pink Rathian  Gold Rathian  Seregios  Tigrex  Brute Tigrex  Molten Tigrex  Ukanlos
    Elder Dragon  Chameleos  Dalamadur  Shah Dalamadur  Dah'ren Mohran  Fatalis  Crimson Fatalis  White Fatalis  Gogmazios  Kirin  Oroshi Kirin  Kushala Daora  Rusted Kushala Daora  Shagaru Magala  Teostra
    ???  Gore Magala  Chaotic Gore Magala
    Monsters appearing in Monster Hunter Generations (edit)
    Herbivore  Anteka  Apceros  Aptonoth  Kelbi  Larinoth  Moofah  Mosswine  Popo  Rhenoplos  Slagtoth
    Amphibian  Zamite
     Tetsucabra  Drilltusk Tetsucabra  Zamtrios
    Fanged Beast  Blango  Bullfango
     Arzuros  Redhelm Arzuros  Blangonga  Bulldrome  Gammoth  Kecha Wacha  Lagombi  Snowbaron Lagombi  Rajang  Furious Rajang  Volvidon
    Lynian  Felyne  Melynx
    Carapaceon  Ceanataur  Hermitaur
     Daimyo Hermitaur  Stonefist Hermitaur  Shogun Ceanataur
    Neopteron  Altaroth  Bnahabra  Hornetaur  Konchu  Vespoid
     Seltas  Seltas Queen
    Bird Wyvern  Gargwa  Genprey  Giaprey  Ioprey  Jaggi  Jaggia  Maccao  Velociprey
     Gendrome  Great Maccao  Gypceros  Iodrome  Malfestio  Velocidrome  Yian Garuga  Deadeye Yian Garuga  Yian Kut-Ku
    Brute Wyvern  Brachydios  Deviljho  Savage Deviljho  Duramboros  Glavenus  Hellblade Glavenus  Uragaan  Crystalbeard Uragaan
    Fanged Wyvern  Zinogre  Thunderlord Zinogre
    Piscine Wyvern  Cephalos
     Cephadrome  Lavasioth  Plesioth
    Leviathan  Ludroth  Uroktor
     Agnaktor  Lagiacrus  Nibelsnarf  Mizutsune  Royal Ludroth
    Snake Wyvern  Remobra
     Najarala
    Flying Wyvern  Akantor  Astalos  Khezu  Nargacuga  Silverwind Nargacuga  Rathalos  Dreadking Rathalos  Silver Rathalos  Rathian  Dreadqueen Rathian  Gold Rathian  Seregios  Tigrex  Grimclaw Tigrex  Ukanlos
    Elder Dragon  Alatreon  Amatsu  Chameleos  Kirin  Kushala Daora  Nakarkos  Shagaru Magala  Teostra
    ???  Gore Magala
    Monsters appearing in Monster Hunter Generations Ultimate (edit)
    Herbivore  Anteka  Apceros  Aptonoth  Kelbi  Larinoth  Moofah  Mosswine  Popo  Rhenoplos  Slagtoth
    Amphibian  Zamite
     Tetsucabra  Drilltusk Tetsucabra  Zamtrios
    Fanged Beast  Blango  Bullfango  Conga
     Arzuros  Redhelm Arzuros  Blangonga  Bulldrome  Congalala  Gammoth  Elderfrost Gammoth  Kecha Wacha  Lagombi  Snowbaron Lagombi  Rajang  Furious Rajang  Volvidon
    Lynian  Felyne  Melynx
    Carapaceon  Ceanataur  Hermitaur
     Daimyo Hermitaur  Stonefist Hermitaur  Shogun Ceanataur  Rustrazor Ceanataur
    Temnoceran  Nerscylla
    Neopteron  Altaroth  Bnahabra  Great Thunderbug  Hornetaur  Konchu  Vespoid
     Ahtal-Ka  Seltas  Seltas Queen
    Bird Wyvern  Gargwa  Genprey  Giaprey  Ioprey  Jaggi  Jaggia  Maccao  Velociprey
     Gendrome  Great Maccao  Gypceros  Iodrome  Malfestio  Nightcloak Malfestio  Velocidrome  Yian Garuga  Deadeye Yian Garuga  Yian Kut-Ku
    Brute Wyvern  Barroth  Brachydios  Raging Brachydios  Deviljho  Savage Deviljho  Duramboros  Glavenus  Hellblade Glavenus  Uragaan  Crystalbeard Uragaan
    Fanged Wyvern  Zinogre  Thunderlord Zinogre
    Piscine Wyvern  Cephalos
     Cephadrome  Lavasioth  Plesioth
    Leviathan  Ludroth  Uroktor
     Agnaktor  Lagiacrus  Nibelsnarf  Mizutsune  Soulseer Mizutsune  Royal Ludroth
    Snake Wyvern  Remobra
     Najarala
    Flying Wyvern  Akantor  Astalos  Boltreaver Astalos  Barioth  Basarios  Diablos  Bloodbath Diablos  Khezu  Nargacuga  Silverwind Nargacuga  Rathalos  Dreadking Rathalos  Silver Rathalos  Rathian  Dreadqueen Rathian  Gold Rathian  Seregios  Tigrex  Grimclaw Tigrex  Ukanlos
    Elder Dragon  Alatreon  Amatsu  Chameleos  Fatalis  Crimson Fatalis  White Fatalis  Kirin  Kushala Daora  Lao-Shan Lung  Nakarkos  Shagaru Magala  Teostra  Valstrax
    ???  Gore Magala  Chaotic Gore Magala
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