A DeepSeaTooth is an item that, when held by a Clamperl while being traded, will evolve the Clamperl into Huntail.
- RSE: Give the Scanner to Captain Stern at the Stern Shipyard.
- DPPt: Held by wild Chinchou, Lanturn, and Relicanth.
- HGSS: Route 20, held by wild Chinchou, Lanturn, and Relicanth.
- BW: Routes 13 and 17, and held by Red-Striped Basculin.
- XY: Azure Bay, near the Sea Spirit's Den in the grass.
Effect: Raises Clamperl's Special Attack.
Secondary effect: Causes Clamperl to evolve into Huntail when traded.