Mermaimon

=Attack Techniques= undefined

=Evolution=

Evolves From

 * Ankylomon (with a Data Attribute Adult Digimon from the Digimon Pendulum Z)
 * Coatlmon
 * Coelamon (with Hookmon and Ebidramon)
 * Depthmon
 * Ebidramon (with Hookmon and Ebidramon)
 * Hookmon (with or without Coelamon and Ebidramon or a Vaccine or Data Attribute Adult Digimon from the Digimon Pendulum Z)
 * Karatuki Numemon (with a Vaccine or Data Attribute Adult Digimon from the Digimon Pendulum Z)
 * Nefertimon
 * Octmon (with a Free Attribute Adult Digimon from the Vital Bracelet Digital Monster )
 * Orcamon
 * Rukamon
 * Seadramon (with a Free Attribute Adult Digimon from the Vital Bracelet Digital Monster )
 * Shellmon (with or without a Data Attribute Adult Digimon from the Digimon Pendulum Z or a Vaccine Attribute Adult Digimon from the Vital Bracelet Digital Monster )
 * Submarimon (with a Data Attribute Adult Digimon from the Digimon Pendulum Z)
 * Tobiumon (with or without a Data or Virus Attribute Adult Digimon from the Digimon Pendulum Z)
 * Tylomon
 * Yukidarumon (with a Data Attribute Adult Digimon from the Digimon Pendulum Z)

Evolves To

 * Aegisdramon (with a Vaccine Attribute Perfect Digimon from the Digimon Pendulum Z)
 * Ancient Megatheriumon (with a Data or Free Attribute Perfect Digimon from the Digimon Pendulum Z)
 * Ancient Mermaimon (Ancient Evolution) (with or without the Spirit of Water or Anomalocarimon, Whamon and Coelamon)
 * Babamon
 * Dianamon
 * Leviamon (with a Virus Attribute Perfect Digimon from the Digimon Pendulum Z)
 * Marin Angemon (with or without Piccolomon and Whamon)
 * Metal Seadramon
 * Neptunemon
 * Plesiomon (with a Virus Attribute Perfect Digimon from the Vital Bracelet Digital Monster )
 * Qinglongmon
 * Regalecusmon (with a Vaccine or Free Attribute Perfect Digimon from the Vital Bracelet Digital Monster )
 * Shoutmon X7: Superior Mode (with Every Digimon from the Digital World)
 * Vikemon (with Marin Devimon)

=Appearances=

Mermaimon is the leader of Olegmon's army in Gold Land.

Individual Appearances
{{AppearanceList|

Digimon Xros Wars
}}

Mermaimon is available as a Digimon Medal.

Mermaimon is available as a Digimon Medal.

TCG
=Image Gallery=

Virtual Pets
=Additional Information=