Sturgeon are among the most ancient fish on Earth, having survived for 250 million years. Yet today, all 27 sturgeon species are threatened with extinction from overfishing for caviar and meat, habitat loss, and river modification. Their welfare and conservation demand urgent attention.
The conservation crisis facing wild sturgeon is also a welfare crisis: the capture methods used by poachers cause acute suffering, while the broader degradation of sturgeon river habitats creates chronic stress and reproductive failure for the declining populations that survive. Gill-net capture causes prolonged entanglement and asphyxiation for non-target individuals; poaching operations targeting spawning aggregations disrupt the brief reproductive periods these long-lived fish depend on for species continuation. At the individual level, sturgeon who survive to reproductive age in degraded rivers face challenges: disrupted temperature cues that trigger migration, physical barriers at dams preventing access to spawning grounds, and impoverished food supplies in silted or polluted river systems. The intersection of individual welfare harm (from poaching and bycatch) and population-level existential threat (from habitat loss and overexploitation) makes sturgeon conservation one of the most urgent combined welfare and biodiversity priorities.