Densetsu no Sakana
- Densetsu no Sakana (伝説の魚; Legendary Fish)
- Akimoto Yasushi
- Okuda Motoi
- Other Information
- Arrangement: Okuda Motoi
Members who ranked 17th to 32nd in the AKB48 45th Single Senbatsu Sousenkyo performed a coupling track as Under Girls.
Artist: Under Girls (アンダーガールズ)
- (Center: Minegishi Minami)
- AKB48 Team A: Iriyama Anna (#18)
- AKB48 Team K: Minegishi Minami (#17)
- AKB48 Team B: Oshima Ryoka (#32), Kato Rena (#26)
- AKB48 Team 4: Kawamoto Saya (#27), Kojima Mako (#19), Komiyama Haruka (#21)
- SKE48 Team KII: Oba Mina (#22), Soda Sarina (#30), Takayanagi Akane (#20), Takeuchi Saki (#31), Furuhata Nao (#29)
- NMB48 Team M: Okita Ayaka (#25)
- NMB48 Team M / AKB48 Team A: Shiroma Miru (#24)
- HKT48 Team H / AKB48 Team B: Yabuki Nako (#28)
- HKT48 Team KIV / AKB48 Team 4: Tomonaga Mio (#23)
There are currently two recorded versions of "Densetsu no Sakana" found in AKB48's discography. These versions are:
- Densetsu no Sakana (Original)
- Found on the Type-A edition of the "LOVE TRIP / Shiawase wo Wakenasai" single as track #4.
- Densetsu no Sakana off vocal ver.
- Found on the Type-A edition of the "LOVE TRIP / Shiawase wo Wakenasai" single as track #8. This is the standard version without the main vocals.