you need to collect 1000 pottery fragments (basically complete the first side story) in order to unlock the second side story and get mermaid hair as drops.
Main Story (Tess) 300 Memory Cards • 400 PIMD Banks • Scuba Tank [stats]62,500/62,500[/stats] 900 Memory Cards • 500 PIMD Banks • Diving Mask [stats]125,000/125,000[/stats] 1,800 Memory Cards • 600 PIMD Banks • Royal Mermaid's Ring [stats]250,000/250,000[/stats] 3,500 Memory Cards • 700 PIMD Banks • Fishy Cupcakes • 2 Avatars [stats]500,000/500,000[/stats] 9,300 Memory Cards • 1 Doctor’s Note • 800 PIMD Banks • 1 Care Pack Notice • Tiny Fish Tank [stats]1,000,000/1,000,000[/stats] 19,000 Memory Cards • 2 Doctor’s Note • 1,000 PIMD Banks • 1 Care Pack Notice • Royal Mermaid’s Crown [stats]1,500,000/1,500,000[/stats] 40,000 Memory Cards • 2 Doctor’s Notes • 1,500 PIMD Banks • 1 Care Pack Notice • 1 Pizza Bikini • Ocean Explorer Cat [stats]2,000,000/2,000,000[/stats] Side Story (Quinn) 100 Pottery Fragments • 1 Summer Furniture Box • Diver's Flippers [stats]62,500/62,500[/stats] 200 Pottery Fragments • 1 Summer Furniture Box • Lem-Mermaid [stats]125,000/125,000[/stats] 450 Pottery Fragments • 1 Summer Furniture Box • Jaws' Jaws [stats]250,000/250,000[/stats] 1,000 Pottery Fragments • 1 Summer Furniture Box • Shooting Starfish [stats]375,000/375,000[/stats] Side Story (JD) 125 Hair-like Seaweed • 1 Summer Furniture Box • Antique Diving Helmet [stats]125,000/125,000[/stats] 450 Hair-like Seaweed • 1 Summer Furniture Box • Glass Jellyfish [stats]250,000/250,000[/stats] 950 Hair-like Seaweed • 1 Summer Furniture Box • Cup-topus [stats]375,000/375,000[/stats] 1.8k Hair-like Seaweed • 1 Summer Furniture Box • Jelly-brella • 2 VIP Avatars [stats]500,000/500,000[/stats] Side Story (Joaquin) 225 Ocean Photos • 1 Summer Furniture Box • Sea Bunny Plush Toy [stats]375,000/375,000[/stats]
Main Story (Tess) 300 Memory Cards • 400 PIMD Banks • Scuba Tank [stats]62,500/62,500[/stats] 900 Memory Cards • 500 PIMD Banks • Diving Mask [stats]125,000/125,000[/stats] 1,800 Memory Cards • 600 PIMD Banks • Royal Mermaid's Ring [stats]250,000/250,000[/stats] 3,500 Memory Cards • 700 PIMD Banks • Fishy Cupcakes • 2 Avatars [stats]500,000/500,000[/stats] 9,300 Memory Cards • 1 Doctor’s Note • 800 PIMD Banks • 1 Care Pack Notice • Tiny Fish Tank [stats]1,000,000/1,000,000[/stats] 19,000 Memory Cards • 2 Doctor’s Note • 1,000 PIMD Banks • 1 Care Pack Notice • Royal Mermaid’s Crown [stats]1,500,000/1,500,000[/stats] 40,000 Memory Cards • 2 Doctor’s Notes • 1,500 PIMD Banks • 1 Care Pack Notice • 1 Pizza Bikini • Ocean Explorer Cat [stats]2,000,000/2,000,000[/stats] Side Story (Quinn) 100 Pottery Fragments • 1 Summer Furniture Box • Diver's Flippers [stats]62,500/62,500[/stats] 200 Pottery Fragments • 1 Summer Furniture Box • Lem-Mermaid [stats]125,000/125,000[/stats] 450 Pottery Fragments • 1 Summer Furniture Box • Jaws' Jaws [stats]250,000/250,000[/stats] 1,000 Pottery Fragments • 1 Summer Furniture Box • Shooting Starfish [stats]375,000/375,000[/stats] Side Story (JD) 125 Hair-like Seaweed • 1 Summer Furniture Box • Antique Diving Helmet [stats]125,000/125,000[/stats] 450 Hair-like Seaweed • 1 Summer Furniture Box • Glass Jellyfish [stats]250,000/250,000[/stats] 950 Hair-like Seaweed • 1 Summer Furniture Box • Cup-topus [stats]375,000/375,000[/stats] 1.8k Hair-like Seaweed • 1 Summer Furniture Box • Jelly-brella • 2 VIP Avatars [stats]500,000/500,000[/stats] Side Story (Joaquin) 225 Ocean Photos • 1 Summer Furniture Box • Sea Bunny Plush Toy [stats]375,000/375,000[/stats] 950 Ocean Photos • 1 Summer Furniture Box • Shark Tooth Pendant [stats]500,000/500,000[/stats]
Main Story (Tess) 300 Memory Cards • 400 PIMD Banks • Scuba Tank [stats]62,500/62,500[/stats] 900 Memory Cards • 500 PIMD Banks • Diving Mask [stats]125,000/125,000[/stats] 1,800 Memory Cards • 600 PIMD Banks • Royal Mermaid's Ring [stats]250,000/250,000[/stats] 3,500 Memory Cards • 700 PIMD Banks • Fishy Cupcakes • 2 Avatars [stats]500,000/500,000[/stats] 9,300 Memory Cards • 1 Doctor’s Note • 800 PIMD Banks • 1 Care Pack Notice • Tiny Fish Tank [stats]1,000,000/1,000,000[/stats] 19,000 Memory Cards • 2 Doctor’s Note • 1,000 PIMD Banks • 1 Care Pack Notice • Royal Mermaid’s Crown [stats]1,500,000/1,500,000[/stats] 40,000 Memory Cards • 2 Doctor’s Notes • 1,500 PIMD Banks • 1 Care Pack Notice • 1 Pizza Bikini • Ocean Explorer Cat [stats]2,000,000/2,000,000[/stats] Side Story (Quinn) 100 Pottery Fragments • 1 Summer Furniture Box • Diver's Flippers [stats]62,500/62,500[/stats] 200 Pottery Fragments • 1 Summer Furniture Box • Lem-Mermaid [stats]125,000/125,000[/stats] 450 Pottery Fragments • 1 Summer Furniture Box • Jaws' Jaws [stats]250,000/250,000[/stats] 1,000 Pottery Fragments • 1 Summer Furniture Box • Shooting Starfish [stats]375,000/375,000[/stats] Side Story (JD) 125 Hair-like Seaweed • 1 Summer Furniture Box • Antique Diving Helmet [stats]125,000/125,000[/stats] 450 Hair-like Seaweed • 1 Summer Furniture Box • Glass Jellyfish [stats]250,000/250,000[/stats] 950 Hair-like Seaweed • 1 Summer Furniture Box • Cup-topus [stats]375,000/375,000[/stats] 1.8k Hair-like Seaweed • 1 Summer Furniture Box • Jelly-brella • 2 VIP Avatars [stats]500,000/500,000[/stats] Side Story (Joaquin) 225 Ocean Photos • 1 Summer Furniture Box • Sea Bunny Plush Toy [stats]375,000/375,000[/stats] 950 Ocean Photos • 1 Summer Furniture Box • Shark Tooth Pendant [stats]500,000/500,000[/stats] 1,700 Ocean Photos • 1 Summer Furniture Box • Bottled Mermaid Tears [stats]750,000/750,000 [/stats]