The mantis shrimp “spearing” the
head of a fish. Mantis shrimp wait for fish to swim near their burrow
and then strike with their claws and drag them into their burrows. Their
strikes are so strong that they have been known to smash aquarium
glass.

Πάντα ῥεῖ καὶ οὐδὲν μένει

All is flux, and nothing abides.

— Heraclitus (c. 535-475 BC), quoted in Plato, Cratylus 402a, and Diogenes Laertius, Lives of the Philosophers, IX.8 (c. 3rd century BC)