Megalo

Megalo appears as a massive black-and-white shark with visible sharp teeth and an open mouth during movement. It swims through cloudy sea waters while carrying multiple riders clustered on its dorsal area. Sweat drops and determined facial expressions mark its face in high-speed scenes.12

The shark maintains a position near groups during arrivals and shows wide eyes in moments of reaction. It floats with motion lines indicating rapid forward movement through coral reefs and underwater areas.34

Megalo responds promptly to direct commands from Shirahoshi even when under pressure from surrounding threats. It accelerates on her orders while voicing affirmative replies that echo through the water. The shark also shows visible strain when tasked with concealment duties yet persists until the situation changes.56

Megalo expresses distress through loud vocalizations when startled or when its riders issue sudden changes in direction. It questions abrupt shifts while continuing to move forward under guidance. The shark later echoes loud sounds in public settings after events conclude.78

Megalo demonstrates strong swimming ability by carrying groups of riders through swirling deep-sea currents and past the Fish-Man District. It moves at high speed with full speed lines while transporting Luffy and Shirahoshi out of the tower.910

The shark can conceal individuals inside its mouth during escapes and later surfaces dramatically while begging not to be seen. It charges forward under direction and echoes loud sounds during public addresses.1112

Megalo first appears swimming near the group in chapter 611. King Neptune personally escorts guests on the shark after it was attacked by the Kraken and saved by Luffy. The shark carries the group through the sea while Neptune explains its background to the crew.131415

Megalo serves as the beloved pet of the mermaid princess Shirahoshi who becomes inconsolable at the thought of its loss. King Neptune describes the shark as belonging to his daughter and thanks others for saving it from attack by a kraken.1724

Shirahoshi relies on Megalo during travels and hides inside its mouth for concealment while directing it with commands. The shark responds to her orders and carries her at high speed toward destinations such as the ocean forest.2526

Shirahoshi cries out to be released and tells Megalo to be quiet during the intrusion. The shark responds to her orders while carrying her at high speed toward destinations.2728

Luffy is instructed to remain hidden inside Megalo until the signal. Fish-men explain the plan to infiltrate the plaza using Megalo and steal the key while Jinbe warns Luffy about appearing from Megalo at the key moment.2930

Megalo participates in the escape from the palace area after Shirahoshi unties its ropes. It surges forward through coral reefs with motion lines indicating rapid movement while carrying the princess toward the ocean forest. The shark later assists in pulling Neptune and others away from danger alongside Hoe during the evacuation.313233

Megalo carries Shirahoshi at high speed toward the palace during active fighting in the plaza. It moves through the area while the battle continues around them and later surfaces with the rider amid the chaos. The shark reacts with wide eyes to the unfolding scene before Luffy emerges from concealment inside its mouth.343536

Megalo carries a rider through the skies above the plaza. Shirahoshi and Jinbe crash down with Megalo after falling for Hody's trap while the princess lies shaken crying out for her father and brothers.3738

Megalo leads the way at full speed to draw the Noah away from the island while Shirahoshi directs it. It answers her commands and maintains the pace to prevent the vessel from dropping directly onto Fishman Island. The shark later rests after these events while receiving reassurance from Chopper.3940

Neptune addresses Fishman Island citizens from Megalo's back after the crisis. Megalo reacts with wide eyes and open mouth saying HOEEE while Neptune rides the large black whale-like fish wearing an ornate crown and dark patterned cloak.4142