|First appearance:||Ultraman Nexus episode 18: "Apocalypse"|
|Latest appearance:||Ultraman Nexus episode 18: "Apocalypse"|
|Weight:||300 kilograms ~ 7,500 tons|
|Affiliation:||Dark Mephisto (Master)|
Arakunia (アラクネア - Arakunea) is a Space Beast from the TV series, Ultraman Nexus. He appeared in episode 18.
Subtitle: Insectivore Beast (インセクティボラタイプビースト - Insekutiborataipubīsuto)
- Tongue: Arakunia have a very long tongue, it can be used to ensnarl prey or as an offensive weapon.
Arakunia and Frogos were Space Beasts sent by Dark Mephisto as subjects to test the Night Raiders in action, specifically Mizorogi (who was deputy captian of the Night Raiders at that time). Two Arakunias were spotted in a factory where the big one attacked the Night Raiders with its tongue after the smaller one was killed. However the monsters was no match for the Night Raiders' weapons and were quickly killed by their gunfire.
- Arakunia's roar is a reused Alien Muzan roar.
- Arakunia was made by combining the arms and torso of the Yamawarawa costume (from Ultraman Cosmos) and the hands and feet of the Alien Zamu costume (from Ultraman Neos.)