Steelix

Steelix (Japanese: ハガネール Haganēru) is a /-type Pokémon introduced in Generation II.

Gender differences
Male Steelix have two teeth on their outer jaw while females have only one.

Evolution
Steelix can be obtained by making an Onix hold a Metal Coat and trading it. Steelix obtains a mega evolution in Omega Ruby and Alpha Sapphire.

Stats
Steelix=

Mega Steelix=

Anime


Brock's Steelix is one of Brock's Pokémon and his father, Flint caught as an Onix in Kanto. It evolved into Steelix (not shown) and was discovered in Battle Frontier series. Steelix was given to Brock's younger brother, Forrest. In the Sun & Moon series, Brock's Steelix can mega evolve into Mega Steelix via Key Stone during the Gym battle between Brock and Kiawe after the latter removes his vest and shirt to reveal a necklace with a Key Stone serves as a pendant. Steelix is able to withstand all of Turtonator's Fire-Type attacks despite being super effective damage and quickly defeats it using its powerful Stone Edge while trying to defend itself from its Shell Trap. Brock's Steelix is currently the most powerful Steelix throughout the anime series' run after Byron's Steelix in the Diamond and Pearl series.

Olivine City Gym leader Jasmine also owned a Steelix. In the Diamond and Pearl series, it was followed by Canalave City Gym leader and Roark's father, Byron also owns a Steelix as it shares its powerful Screech ability with Roark's Onix.


 * Hun's Steelix
 * Harrison's Steelix
 * Steelix (AG058)
 * Morrison's Steelix
 * Red Army's Steelix
 * Steelix (DP023)
 * Byron's Steelix
 * Alva's Steelix

Manga
Carr's Steelix

Trivia

 * Steelix is the second largest Pokémon after Wailord.
 * Steelix is the heaviest of the Generation II Pokémon.
 * Steelix has the highest Base Defense out of all and  types.
 * Steelix is the only non- type Pokémon that can learn Rock Polish.
 * Steelix and Altaria are the only Pokémon to change their Primary type through evolution.
 * Strangely, both of them are part of a 2-stage Evolutionary Line that isn't affected by a certain type ( and respectively).
 * Also, 1 member of the Evolutionary Line isn't affected by 2 Types ( and for Steelix and  and  Swablu).