You can discard 1 other WATER monster to the GY; Special Summon this card from your hand. When Summoned this way: You can add 1 Level 4 or lower "Mermail" monster from your Deck to your hand. You can only use this effect of "Mermail Abyssteus" once per turn.
| Detail | Value |
|---|---|
| Card Type | Effect Monster |
| Attribute | WATER |
| Level | 7 |
| ATK | 1700 |
| DEF | 2400 |
| Race | Aqua |
| Archetype | Mermail |