What is Karna's fear about the sea otters?

Karna's fear about the sea otters stems from his concern that their increasing population could disrupt the local ecosystem and threaten the livelihoods of fishermen. He worries that their voracious appetite for fish may lead to overfishing and imbalance in marine life. Additionally, Karna is anxious about the potential for sea otters to become a nuisance, further complicating the dynamics of coastal communities. Overall, his fear reflects a broader anxiety about environmental changes and their impact on human activities.