Picture an animal the size of a human, older than the T-Rex, lurking in dark Chinese caves and crying like a human baby. The Chinese giant salamander has an estimated 2.6 million individuals alive, yet it is critically endangered and nearly extinct in the wild. This episode unravels how a creature can be simultaneously everywhere and nowhere at all, a tale of a living fossil, a black market, and a conservation effort that backfired.

We profile this 170-million-year-old river monster, its sensory hunting, vacuum-seal bite, and cannibalistic diet, then trace its collapse from habitat destruction, dams, and a lucrative trade in meat and medicine. We reveal the farming paradox that drained wild populations, and the genetic catastrophe when releasing millions of one lineage polluted distinct cryptic species, plus the discovery that pure wild pop ...