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Shellos(JP) is a species of Pokémon in the series of the same name introduced in the fourth generation. It is a Water type Pokémon that has two forms, an east form and a west form based on location. This Pokémon evolves into Gastrodon starting at level 30.
Physiology and Behavior[]
Shellos is a sea slug-like Pokémon whose appearance changes depending on which part of the sea it is found in. Both forms have amorphous, slug-like bodies, black oval-shaped eyes with yellow outlines, minuscule, dot-shaped noses, and wide yellow lips. Like real-world sea slugs, they have mantles covering the top halves of their bodies. These mantles are outlined in yellow, similar to their eyes. Unlike real sea slugs, however, they have bulbous heads and four small feet rather than one large foot.
The West Sea form's underside is white, and its mantle is pink, with several small spike-like protrusions on its back. On its head is a ring of pink, fleshy knobs resembling the gills of a nudibranch. West Sea Shellos' appearance is theorized to have been influenced by warm ocean waters.
The East Sea form, meanwhile, sports a green underside and a turquoise mantle. Two yellow-lined, flap-like protrusions, resembling cerata, are present along its back. On its head are two white-tipped tentacles resembling rhinophores that extend away from its face. East Sea Shellos's appearance is theorized to have been influenced by cold ocean waters.
Shellos lives along seashores; its color becomes more vibrant the better quality of the waters it lives in. It is also believed that Shellos's diet, which consists of plankton, also influences its form, though this has yet to be proven. The physical differences between both forms appear largely cosmetic; no significant changes in capabilities have been observed. While it can travel onto land, it can only stay on the shore for a limited time before its skin dries out. When Shellos' squishy body is pressed or squeezed, or when Shellos senses imminent danger, a mysterious purple fluid — theorized to be a kind of stress-induced greasy sweat — will ooze out of its body. This fluid is its defense mechanism against enemies; although harmless, it is very sticky and hard to wash off. Shellos has a friendly disposition and is said to have great regenerative capabilities. In the anime, West Sea Shellos can extend their necks to incredible lengths. It is unknown if the East Sea form can do this as well.
This species once had a shell on its back long ago and is considered a close relative to Pokémon such as Shellder. The Nurse Joy featured in Gateway to Ruin! revealed Mount Coronet's formation led to an allopatric speciation event, in which the original population of Shellos was separated into two. As a result, Shellos's color and other physical aspects began to vary due to environmental differences and population isolation over time. The two forms are still able to interbreed; the child normally takes the mother's form but takes the father's if bred with a Ditto. Recently, East Sea Shellos' population has been declining, while West Sea Shellos has become more abundant than before.
Appearances[]
Main Pokémon games[]
In the anime[]
Origin[]
In-game information[]
Pokédex Entries[]
| Title | Entry |
|---|---|
| Fourth Pokémon generation | |
| Pokémon Diamond | Its color and shapes differ from region to region. In the Sinnoh region, two types are confirmed. |
| Pokémon Pearl | It lives along bodies of water. Its body shape has changed to suit its habitat. |
| Pokémon Platinum | Beware of pushing strongly on its squishy body, as it makes a mysterious purple fluid ooze out. |
| Pokémon HeartGold | Its shape and coloration vary, depending on its habitat. |
| Pokémon SoulSilver | Its shape and coloration vary, depending on its habitat. |
| Fifth Pokémon generation | |
| Pokémon Black | Beware of pushing strongly on its squishy body, as it makes a mysterious purple fluid ooze out.a |
| Pokémon White | Beware of pushing strongly on its squishy body, as it makes a mysterious purple fluid ooze out.a |
| Pokémon Black 2 | Beware of pushing strongly on its squishy body, as it makes a mysterious purple fluid ooze out.a |
| Pokémon White 2 | Beware of pushing strongly on its squishy body, as it makes a mysterious purple fluid ooze out.a |
| Sixth Pokémon generation | |
| Pokémon X | Beware of pushing strongly on its squishy body, as it makes a mysterious purple fluid ooze out.a |
| Pokémon Y | Its shape and coloration vary, depending on its habitat. |
| Pokémon Omega Ruby | Beware of pushing strongly on its squishy body, as it makes a mysterious purple fluid ooze out.a |
| Pokémon Alpha Sapphire | Its shape and coloration vary, depending on its habitat. |
| Seventh Pokémon generation | |
| Pokémon Sun | West Sea - For the most part, it makes its home along the seashore. Its color and form differ according to its habitat and the quality of its food. East Sea - Shellos lives in the sea and feasts on plankton. The lovelier the ocean where Shellos resides, the more vibrant its color becomes. |
| Pokémon Moon | West Sea - Purple mucus sticks to the hands of anyone who touches it. Take care, as the substance is troublesome to wash off. East Sea - The difference in color from one Shellos to another seems to be a result of their diet. No large changes can be seen in their capabilities. |
| Pokémon Ultra Sun | While they normally live in the sea, they can function on land, too, until their skin dries out. |
| Pokémon Ultra Moon | When it senses danger, it gushes a purple liquid. Some theories suggest this liquid is a greasy sweat induced by stress. |
| Eighth Pokémon generation | |
| Pokémon Sword | This Pokémon's habitat shapes its physique. According to some theories, life in warm ocean waters causes this variation to develop. |
| Pokémon Shield | Subjecting this Pokémon to a strong force causes it to secrete a strange purple fluid. Though harmless, the fluid is awfully sticky. |
| Pokémon Brilliant Diamond | Its colors and shapes differ from region to region. In the Sinnoh region, two types are confirmed. |
| Pokémon Shining Pearl | It lives along bodies of water. Its body shape changed to suit its habitat. |
| Pokémon Legends: Arceus | Found in abundance on seashores bordering warm waters. Shellos are unexpectedly friendly and will crawl toward any person they see. Take care not to get coated in mucus! |
| Ninth Pokémon generation | |
| Pokémon Scarlet | It used to have a shell on its back long ago. This species is closely related to Pokémon like Shellder. |
| Pokémon Violet | A recently published research paper states that this form of Shellos is gradually decreasing in number. |
Game Locations[]
| Title | Location(s) | |
|---|---|---|
| Fourth Pokémon generation | ||
| Pokémon Diamond | Route 205 (Surfing) | |
| Pokémon Pearl | Route 205 (Surfing) | |
| Pokémon Platinum | Routes 205 and 218, Canalave City, Valley Windworks, Fuego Ironworks (Surfing) East Sea': Routes 212 and 213 (tall grass) Routes 212 and 213 , Pastoria City (Surfing) | |
| Sixth Pokémon generation | ||
| Pokémon X | ||
| Pokémon Y | ||
| Pokémon Omega Ruby | ||
| Pokémon Alpha Sapphire | ||
| Seventh Pokémon generation | ||
| Pokémon Sun | ||
| Pokémon Moon | ||
| Pokémon Ultra Sun | ||
| Pokémon Ultra Moon | ||
| Eighth Pokémon generation | ||
| Pokémon Sword | Bridge Field, Giant's Cap, Giant's Mirror, Motostoke Riverbank, Stony Wilderness, Galar Mine No. 2 (East Sea) Bridge Field, Giant's Mirror, Lake of Outrage, South Lake Miloch, West Lake Axewell (Max Raid Battle) (East Sea) | |
| Pokémon Shield | Bridge Field, Giant's Cap, Giant's Mirror, Motostoke Riverbank, Stony Wilderness, Galar Mine No. 2 (East Sea) Bridge Field, Giant's Mirror, Lake of Outrage, South Lake Miloch, West Lake Axewell (Max Raid Battle) (East Sea) | |
| Pokémon Brilliant Diamond | Routes 213 and 224 (tall grass) (East Sea) Grand Underground - Fountainspring Cave | |
| Pokémon Shining Pearl | Routes 213 and 224 (tall grass) (East Sea) Grand Underground - Fountainspring Cave | |
| Pokémon Legends: Arceus | Cobalt Coastlands: Tranquility Cove, Seagrass Haven, massive mass outbreaks (East Sea) | |
| Ninth Pokémon generation | ||
| Pokémon Scarlet | East Province: Area One (East Sea) West Province: Area Two (West Sea) | |
| Pokémon Violet | East Province: Area One (East Sea) West Province: Area Two (West Sea) | |
Evolution[]
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Base Stats[]
| HP | 76 |
| Attack | 48 |
| Defense | 48 |
| Sp. Attack | 57 |
| Sp. Defense | 62 |
| Speed | 34 |
| Total | 325 |
Moveset[]
Gallery[]
West[]
East[]
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Trivia[]
- According to an interview in Nintendo Power with Game Freak, Shellos and Gastrodon were originally intended for Pokémon Ruby and Sapphire.
- Shellos and its evolution were accidentally released in Pokémon GO on April 29, 2019, but were removed shortly after. On May 17, 2019, they made their official debut along with various other Pokémon from the Fourth Pokémon generation.
| Pokémon with multiple forms | |
|---|---|
| Generation I | Pikachu |
| Generation II | Pichu • Unown |
| Generation III | Castform • Kyogre • Groudon • Deoxys |
| Generation IV | Burmy • Wormadam • Cherrim • Shellos • Gastrodon • Rotom • Dialga • Palkia • Giratina • Shaymin • Arceus |
| Generation V | Basculin • Darmanitan • Deerling • Sawsbuck • Tornadus • Thundurus • Landorus • Kyurem • Keldeo • Meloetta • Genesect |
| Generation VI | Greninja • Vivillon • Flabébé • Floette • Florges • Furfrou • Meowstic • Aegislash • Pumpkaboo • Gourgeist • Xerneas • Zygarde • Hoopa |
| Generation VII | Oricorio • Lycanroc • Wishiwashi • Silvally • Minior • Mimikyu • Necrozma • Magearna |
| Generation VIII | Cramorant • Toxtricity • Sinistea • Polteageist • Alcremie • Eiscue • Indeedee • Morpeko • Zacian • Zamazenta • Eternatus • Urshifu • Zarude • Calyrex • Ursaluna • Enamorus |
| Generation IX | Oinkologne • Maushold • Squawkabilly • Palafin • Cyclizar • Tatsugiri • Dudunsparce • Gimmighoul • Koraidon • Miraidon • Poltchageist • Sinistcha • Ogerpon • Terapagos |