The transition to ring seine fishing in India is examined, paying special attention to the implications of legal pluralism. Ring seine fishing developed in niches and spread swiftly throughout the subcontinent, dividing the fisher population into fervent protagonists and antagonists. It is argued that sociotechnical innovations are often contested, and that rival parties apply alternative legal regimes to advance their rights. Fieldwork in Cuddalore, Tamil Nadu suggests that regimes function as arenas for deliberating and battling alternative futures in fishing and mask deep sociolegal divides.