As soon as they lay their eggs, the female cichlids scoop them up into their mouths and incubate them until they hatch.
Frogs also aren’t fussy eaters: any live prey will do. Some large species of frogs can gulp up a mouse, bat, or small snake in one mouthful, which is fortunate, because frogs can’t chew. If they have any teeth at all, they’re usually only good for holding onto the prey.
R. Buckminster Fuller was a twentieth century scientist, philosopher, inventor, and was also named a great architect.