Mothra 2: The Undersea Battle (1997)

Mothra 2: The Undersea Battle 1997 / モスラ2 海底の大決戦 1997 / Rebirth of Mothra 2

Off the coast of Japan, the environment has been ravaged by poisonous starfish-like creatures called Barem the Elias sisters, Moll and Lora, survey the destruction and enlist the help of three children, who had just discovered and befriended a strange little creature, Ghogo, to help find the mysterious treasure of Ninai Kanai, an ancient lost civilization, the monster called Dagahra awakened after a sudden increase in pollution levels, then releases a swarm of Barem into the sea, killing many types of sea life leo mothra must save the Earth from the declining environment.