
Evolving Skies·#26·2021
Tentacool, the iconic Water/Poison-type Jellyfish Pokémon from Generation I, evolves into the formidable Tentacruel and is a staple of aquatic environments in the Pokémon world. This specific card, from the 2021 Evolving Skies set, is a common variant notable for its vibrant artwork by Satoshi Nakai. Here, you will discover Tentacool's Pokédex lore, the card's mechanics including HP, energy costs, and weakness, along with its edition history. This guide provides comprehensive insight for fans, collectors, and investors, covering everything from its collectibility to grading nuances.
Read more ↓Tentacool, the Jellyfish Pokémon, is a Water/Poison-type creature introduced in Generation I. It is known for its distinctive blue, bulbous head with two large red orbs on top, and its numerous tentacles. Tentacool typically inhabits the shallow waters near coastlines, often found floating or swimming gracefully. Its diet primarily consists of small aquatic organisms, which it ensnares with its venomous tentacles. Tentacool evolves into Tentacruel starting at Level 30. In the games, Tentacool is a common encounter in water routes, often appearing while surfing or fishing. In the anime, it frequently appears as a minor antagonist or a natural obstacle for characters traveling by sea, notably in episodes where it causes trouble for coastal towns. Its Poison typing gives it a unique defensive niche, being resistant to Fighting, Poison, Bug, Steel, Fire, Water, Ice, and Fairy types, but weak to Electric and Ground types. Tentacool's design is iconic, representing the early Pokémon aesthetic of simple yet memorable aquatic creatures, and it holds a nostalgic place for many original fans.
Last updated: April 11, 2026