Manta rays are among the ocean's most intelligent and charismatic megafauna, facing serious welfare threats from fishing, tourism harassment, and gill plate demand for traditional medicine.
Manta ray welfare concerns are significant given their cognitive sophistication. Animals demonstrating self-awareness in mirror tests are generally considered to have richer subjective experience — their suffering from entanglement, injury, or chronic tourism harassment may be qualitatively more significant than for less cognitively complex species. Entanglement in fishing gear causes drowning (mantas must swim to breathe), trauma from line cuts, and exhaustion during struggle. Tourism interactions that involve touching disrupt their protective mucus layer and alter movement patterns. Gill plate hunting causes prolonged suffering and demographic collapse of already-slow-reproducing populations. Marine protected areas that include manta cleaning stations provide both welfare and conservation benefits.