Generation II
| Gold | It spins string not only from its rear but also from its mouth. It is hard to tell which end is which. |
| Silver | A single strand of a special string is endlessly spun out of its rear. The string leads back to its nest. |
| Crystal | Rather than making a nest in one specific spot, it wanders in search of food after darkness falls. |
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Generation III
| Ruby/Sapphire | Ariado's feet are tipped with tiny hooked claws that enable it to scuttle on ceilings and vertical walls. This Pokémon constricts the foe with thin and strong silk webbing. |
| Emerald | Its feet are tipped with tiny hooked claws that enable it to scuttle on ceilings and vertical walls. It constricts its foe with thin and strong silk webbing. |
| FireRed | A single strand of a special string is endlessly spun out of its rear. The string leads back to its nest. |
| LeafGreen | It spins string not only from its rear but also from its mouth. It is hard to tell which end is which. |
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Generation IV
| Diamond/Pearl/Platinum | It attaches silk to its prey and sets it free. Later, it tracks the silk to the prey and its friends. |
| HeartGold | It spins string not only from its rear but also from its mouth. It is hard to tell which end is which. |
| SoulSilver | A single strand of a special string is endlessly spun out of its rear. The string leads back to its nest. |
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Generation V
| Black/White | えものの からだに いとを つけて わざと にがす。いとを たどれば なかまごと つかまえられるからだ。 (English translation: It attaches silk to its prey and sets it free. Later, it tracks the silk to the prey and its friends.) |
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