
Shot at 900 m/s. Still alive.
Tardigrades can survive impacts up to 900 m/s and momentary shock pressures around 1.14 GPa GPa.Tardigrades: Tough, Not Invincible

Seasonal armor.
Halobiotus crispae switches to a winter pseudosimplex that resists freezing and low salinity, staying active while reproduction pauses until summer.Tardigrades: Tough, Not Invincible