On Star Trek: Discovery Season 2 Episode 2, Discovery's away team -- Burnham (Sonequa Martin-Green), Captain Pike (Anson Mount), and Owosekun (Oyin Oladejo) -- assess the situation facing the human outpost of New Eden.
Burnham: In order to guide us through the mycelial network, Commander Stamets injected himself with tardigrade DNA, a violation of Starfleet's ban on genetic manipulation. Saru: They were willing to overlook this during the war however. Pike: A tardigrade? Saru: I suppose you had to be there.