I’d like to be there personally so none get out of the water.
Fish food, it’s natural.
They’d contriute to the furtherance of some species of fish somehere.
Much like Timothy Treadwell and his caloric contribution to the grizzzly population.
Any vehicle or vessel can be made to "disappear" at a time and/or place of one's choosing. Ships, particularly ... what with all that deep water conveniently under them.
Hmm feed the fish or pollute the sea with hippiness? Treadwell = Terrestial Watson.