Betamon b
Level Rookie
Type Amphibian
Attribute Virus
Family Nature Spirits
Deep Savers
Dragon's Roar
Debut Digital Monster Ver. 1
Prior forms Bukamon[1]
Next forms Seadramon[2]
DigiFuse forms Shoutmon X7F Superior Mode[3]
Partners Michael
Keisuke Amasawa
Tokyo Shock Groove
Nakano Stripes
Voice actors (Ja:) Katsuya Shiga (Adventure 02)
(En:) Dina Sherman (Adventure 02[4]), Kirk Thornton (Fusion)
Betamon X

Betamon is an Amphibian Digimon. It walks on four legs. Its personality is gentle, but although it is a docile Digimon, once Betamon is angered, it emits its "Dengeki Biririn" from its body.[5]


  • Electric Shock (電撃ビリリン Dengeki Biririn?): Generates more than 1 MV of electric current to strike the opponent.
  • Fin Cutter (Cutter Fin)
  • Water Tower
  • Beta Slugger
  • Water Shot: Attacks with a bursting stream of water.
  • Mach Jab


Betamon's design is derived from the Dimetrodon (Dimetrodon grandis).


Betamon (ベタモン)

Official romanization given by the Digimon Reference Book and used in the franchise.

  • Β, the second Greek letter.


Digimon Adventure

A Betamon is a patron at Digitamamon's diner during the period where Joe and Matt work there. WereGarurumon's Diner

Digimon Adventure: Anode Tamer and Cathode Tamer

Betamon appear as a recruitable enemy in the File Island Mansion—Left.

Digimon Adventure 02

Main article: Betamon (Adventure)

Digimon Adventure 02: Tag Tamers

Betamon digivolves from a line 51 Koromon and can digivolve to Tortomon with a Digi-Egg equipped or a Monochromon without.

Digimon Adventure 02: D-1 Tamer

Betamon are enemies in the game.

Digimon Tamers: Brave Tamer

Betamon are enemies in the Sinkhole, Two Tails, and Dark Taichi's Crevasses.

The Betamon card, titled "Dengeki Biririn", teaches a Digimon the attack Dengeki Biririn. Dengeki Biririn deals Virus-type damage to all enemies.

Digimon Battle Spirit

Betamon appears as a field enemy in the "Origin Town".

Digimon Frontier

Some Betamon appear at the Autumn Leaf Fair during the DigiDestined's first visit. Bizarre Bazaar

Digimon Fusion

A Betamon has a conversation with a Crabmon near the waterfall in the Dragon Land, but is startled by the appearance of Nene disguised as a dragon Digimon. Take a Stand, Christopher! Fusion Fighters' Rescue Mission!

During the battle with MegaDarknessBagramon in the Human World, Betamon are among the many Digimon Mikey summons from the Digital World to form Shoutmon X7F Superior Mode. Final Fusion - The Fight For Earth!

A Betamon fell in Airu Suzaki's trap. Warning, Cuteness! The Cute Hunter Airu's Traps!

Digimon World

One Betamon is found in Mangrove Region. If you talk to it, it will help Coelamon with the item shop. There is no need to defeat it beforehand, but if you run into a wild Digimon while Betamon is onscreen, it may join the fight. Exiting and reentering the Mangrove Region afterwards will cause it to respawn. After the first of the advanced shopkeeper Digimon is recruited, Betamon can be seen bathing in the fountain and talked to for hints leading towards other recruitable Digimon. You can also have a Betamon as your Digimon partner by evolving it from a Tanemon. It can digivolve into Seadramon, Coelamon, Shellmon and Whamon.

Digimon World 2

Betamon can digivolve into DarkTyrannomon (0-2 DP), Darkrizamon (3-5 DP) or Tuskmon (6+ DP). Betamon appears in SCSI Domain, Disk Domain, Web Domain, Core Tower and Tera Domain.

As a wild digimon, it will try to move away from player's digibeetle by one step if it's too close, unless it's partnered with Diaboromon. If so, then Betamon will move closer by 2 step each turn.

Digimon World 3

A common enemy in places near Asuka city. In Divermon's Lake it is replaced with Seadramon after the Suzaku Leader is defeated. He also in cards with Blue type and 1 AP / 1 HP

Digimon Digital Card Battle

Betamon is one of the first Digimon that the player meets, and teaches the player how to play card battles, and gives 30 EXP when defeated. The play can return to battle him again or speak about the rules, and after BlackWarGreymon is defeated, Betamon uses a more powerful deck.

The Betamon card is #063 and is a Rookie level Ice-type card with 730 HP, and worth 20 DP in the DP Slot. Its attacks are:

  • B c "Electric Shock": inflicts 300 damage.
  • B t "Fin Cutter": inflicts 190 damage.
  • B x "Water Tower": inflicts 170 damage, and sets the opponent's B c attack to 0.

Its support effect is "If own HP is less than [or equal to] 200, opponent's attack power becomes 0.".

Digimon World DS

Betamon can digivolve into Seadramon or Sukamon depending on its stats. Betamon is found in the Data Forest.

Digimon World Dawn and Dusk

Betamon is #29 in Digimon World Dawn and Dusk, and is an HP-class Aquan species Digimon with a resistance to the Water element and a weakness to the Machine element. Its basic stats are 95 HP, 121 MP, 76 Attack, 66 Defense, 59 Spirit, 53 Speed, and 22 Aptitude. It possesses the Thunder Sign 2 and Mist Cape 2 traits, and can be found in the Sunken Tunnel.

Betamon can digivolve into Octomon, Gesomon, or Dolphmon. In order to degenerate into Betamon, your Digimon must be at least LV7.

Betamon can be hatched from the Sea Patterned Digi-Egg.

Digimon Story: Lost Evolution

Betamon is #028, and is a Rookie-level, MP-type, Dragon-species Digimon with a resistance to the Water and Thunder elements, and a weakness to the Fire element. It possesses the Skill User and Curiosity traits, and the special skill Dive.

It dwells in the Packet Coast.

Betamon digivolves from Chibomon and can digivolve into Seadramon or Ebidramon. In order to digivolve or degenerate into Betamon, your Digimon must be at least level 10.

Digimon Story: Cyber Sleuth

Betamon is a Virus Water Type, Rookie level Digimon and uses 4 memory. It digivolves from Bukamon and can digivolve to ShellNumemon, Gekomon, Seadramon, Numemon and Vegiemon. It's special attack is Electric Shock and its support skill is Mysterious Scale which nullifies received stat reduction effects.

Digimon Story: Cyber Sleuth - Hacker's Memory

Betamon is #055 and is a Virus Water Type, Rookie level Digimon and uses 4 memory. It digivolves from Bukamon and can digivolve to ShellNumemon, Gekomon, Seadramon, Numemon, Vegiemon and Airdramon. It's special attack is Electric Shock and its support skill is Mysterious Scale which nullifies received stat reduction effects.

Digimon Masters

Betamon is an obtainable mercenary digimon. It digivolves into Seadramon at LVL 11, MegaSeadramon at LVL 25 and MetalSeadramon at LVL 41.GigaSeadramon can be unlocked as a Burst Mode at LVL 65.

Notes and references