For full Megachelon taming details, get the taming calculator app.
The Megachelon is a passive tame. To tame it, find a small swarm of fish, and lure them over to.a Megachelon. Swim along side the turtle with the swarm to tame it. You may be able to get close enough to feed it food, but this is confirmed to be a bug and not intended. Please share your strategies in the Tips section!
Passive Tame: You kite a parrot fish swarm to the turtle then guard the turtle from sharks and things.
While the turtle "feeds" on the swarm! Any damage resets timer to 0!
Getting inside it with Honey is BS and will NOT work.
Tamed you'll be able to build on its back. When diving he provides an oxygen bubble on his back allowing you to submerge your base on the floor of the ocean.
Are you turtley enough for the turtle club?