Marine Turtle Welfare: Threats Across a Long Life

Marine turtles face welfare threats at every life stage from nest to adult. Understanding their life history helps prioritize the most impactful conservation and welfare interventions.

Key Facts

Sea turtles can live over 80 years and travel thousands of kilometers between feeding and nesting grounds
Only approximately 1 in 1,000 hatchlings survives to adulthood in natural conditions
Fibropapillomatosis tumors affect increasing proportions of green turtle populations globally
Marine debris entanglement and ingestion cause significant mortality in all sea turtle species
Sea level rise threatens low-lying nesting beaches critical to turtle reproduction

Welfare Considerations

Marine turtle welfare spans an extraordinary life history. As hatchlings, turtles face enormous natural predation pressure — the 1 in 1,000 survival rate to adulthood reflects the evolutionary context in which mass offspring production compensates for massive early mortality. Human-caused stressors add to this natural challenge: nesting beach lighting disorienting hatchlings, fishing gear entanglement killing juvenile and adult turtles, plastic ingestion, and warming temperatures affecting sex ratios from nest temperature-dependent sex determination. Adult turtles that survive to breeding face boat strike, fibropapillomatosis disease, and nesting beach erosion. Welfare interventions span the life cycle from beach lighting management and fishing gear modification to marine pollution reduction and climate action.

What You Can Do

Support sea turtle conservation programs addressing threats at nesting beaches and ocean habitats
Turn off or shield beachfront lighting during nesting season to prevent hatchling disorientation
Advocate for turtle excluder device requirements in fisheries operating in turtle habitats
Reduce single-use plastic to decrease the flow of plastic into marine environments