Pokémon-specific weakness guide

Omanyte Weaknesses and Counters

This guide explains Omanyte's defensive profile, including every weakness, resistance, immunity, and practical counter type based on its Rock / Water typing.

Rock Water

Omanyte

#0138

Weaknesses (4)

Grass×4 Electric×2 Fighting×2 Ground×2

Resistances (5)

Fire×0.25 Normal×0.5 Ice×0.5 Poison×0.5 Flying×0.5

Immunities (0)

None

Battle notes

Omanyte's Rock / Water typing is best attacked with Grass (4x), Electric (2x), Fighting (2x). Start with those attacking types when choosing moves or counter Pokémon.
Avoid relying on common Fire, Normal, Ice attacks unless they have unusually high power or a secondary purpose, because Omanyte resists or ignores those matchups.
This guide uses the modern Gen 6+ type chart only. Abilities, held items, Terastallization, weather, fields, and special move rules can still change real battle outcomes.

Best counter types

These attacking types hit the defender for super-effective damage under the modern Gen 6+ type chart.

Grass×4 Electric×2 Fighting×2 Ground×2

Example Pokémon with Effective Types

These are examples of Pokémon associated with super-effective attacking types, not a ranked competitive counter list.

Defensive typing summary

Omanyte's base defensive typing is Rock / Water. The weakness chart multiplies both types when a Pokémon has two types, so a matchup can become 4x, 2x, 1x, 0.5x, 0.25x, or 0x.

FAQ

What is Omanyte weak to?

Omanyte is weak to Grass (4x), Electric (2x), Fighting (2x), Ground (2x).

Which attacking types are most practical against Omanyte?

Grass is the strongest listed attacking type against Omanyte, dealing 4x damage.

Does Omanyte's ability change these weaknesses?

This page uses base defensive typing only. Abilities, held items, Terastallization, weather, fields, and special move rules can change actual battle outcomes.