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Endangered Whales Are Drowning in Record Numbers Because of the Fishing Industry in California

California’s endangered whales face mounting threats from fishing gear entanglements as numbers of accidental deaths reach unprecedented levels

By Salaar JamaliPublished a day ago 4 min read



California’s iconic coastline, home to some of the world’s most majestic marine life, is witnessing a troubling surge in whale deaths. Endangered whales, including blue whales, humpbacks, and the critically endangered North Pacific right whale, are drowning at record rates — and experts point to the state’s fishing industry as a leading culprit.

Marine biologists and environmental groups are raising alarms over the scale of the crisis, highlighting how commercial fishing practices, combined with insufficient protections, are pushing already vulnerable whale populations closer to the brink.

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Entanglement: The Silent Killer

The primary threat comes from fishing gear entanglement, particularly in ropes, nets, and crab or lobster traps. When whales become ensnared in these materials, they are unable to surface to breathe properly. Prolonged entanglement can lead to starvation, injury, infection, and eventually death by drowning.

Over the past several years, the number of whales reported dead or seriously injured along California’s coast has climbed sharply. Rescue operations often intervene too late, and even when whales are freed, the trauma can leave lasting health consequences.

Experts warn that the situation is exacerbated by the sheer density of fishing operations along California’s waters. The state is a hub for commercial fishing, including Dungeness crab, rockfish, and other species — and the gear used is lethal to large marine mammals if not carefully managed.

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Record Numbers and Species at Risk

Recent reports show that entanglement-related deaths are hitting record highs. The National Oceanic and Atmospheric Administration (NOAA) has documented hundreds of incidents over the last decade, with spikes in certain years reaching levels that are unsustainable for endangered species.

The North Pacific right whale, for example, has fewer than 350 individuals left. Even a handful of deaths in a single season represents a significant proportion of the population, making recovery extremely difficult. Humpback whales, while more numerous, are also facing pressures that threaten localized populations, particularly mothers and calves.

The losses are not just numbers; they have broader ecological consequences. Whales play a crucial role in ocean health, including nutrient cycling and supporting marine food webs. The decline of whale populations can ripple through the ecosystem, affecting fish stocks, seabird populations, and overall marine biodiversity.

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Fishing Practices Under Scrutiny

Environmental organizations and scientists are increasingly scrutinizing California’s fishing practices. Vertical lines connected to crab pots and traps are particularly dangerous, stretching hundreds of feet from the ocean surface to the seafloor. These lines can entangle whales even as they migrate or feed.

While some voluntary measures exist — including seasonal closures, line-reducing innovations, and whale-safe gear programs — critics argue they are insufficient. Many commercial fisheries are resistant to wide-scale changes due to the cost and logistical challenges of adopting new equipment.

According to conservation groups, stronger regulation, mandatory gear modifications, and stricter monitoring are essential to prevent further mass mortalities.

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Climate Change and Whale Vulnerability

The problem is compounded by climate-driven changes in whale behavior. Shifts in water temperature, prey availability, and migration patterns can bring whales into closer contact with fishing zones. For example, warming waters have altered krill and sardine distributions, forcing endangered whales to feed in areas densely packed with fishing gear.

This intersection of environmental change and industrial activity creates a deadly combination: whales increasingly enter high-risk areas where entanglement is likely, amplifying human impacts on already fragile populations.

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Efforts to Mitigate the Crisis

Despite the grim statistics, there are ongoing efforts to reduce whale deaths. NOAA and state agencies have launched rescue teams, which respond to entangled whales whenever possible. These teams remove ropes, track injured animals, and collect data to inform future protections.

Researchers are also testing new technologies, such as ropeless fishing gear, acoustic deterrents, and advanced tracking systems to alert fishers to whale presence. Community outreach programs aim to educate fishermen on safer practices and encourage voluntary compliance with conservation guidelines.

However, experts caution that voluntary measures alone will not be enough. Without robust enforcement and regulatory changes, the combination of heavy fishing pressure and environmental stressors is likely to continue causing record-level whale deaths.

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Policy and Legal Pressure

Legal frameworks, including the Marine Mammal Protection Act (MMPA), offer some tools for holding industries accountable. Environmental groups are increasingly pursuing litigation to compel stronger protections, citing documented deaths as evidence that current measures are inadequate.

Policymakers are under growing pressure to balance economic interests with ecological stewardship. While fishing is an important economic driver in California, unchecked impacts on endangered species carry significant environmental and reputational risks, both nationally and internationally.

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Why It Matters

The rise in whale mortalities is more than a conservation issue; it is a symptom of larger challenges in ocean management. Failure to act could have cascading effects on marine ecosystems, fisheries sustainability, and biodiversity.

Whales are not just charismatic megafauna; they are keystone species, vital to maintaining oceanic health. Their loss threatens the resilience of marine ecosystems and undermines the ecological services upon which humans depend, from fisheries productivity to carbon sequestration.

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Moving Forward

The crisis along California’s coastline highlights the urgent need for coordinated action between fisheries, conservation groups, scientists, and policymakers. Solutions may include:

Mandatory adoption of ropeless or modified gear to prevent entanglement.

Seasonal or area closures to protect whales during migration and feeding periods.

Increased monitoring and rapid-response rescue teams.

Stronger enforcement of existing laws and new regulations where necessary.

Without immediate action, record-level whale deaths could become the new norm, pushing endangered populations toward irreversible decline.

California’s whales have survived centuries of natural challenges, but human-driven threats, especially from the fishing industry, now pose one of the gravest risks. Protecting them requires urgent, decisive measures — for the sake of biodiversity, ecosystem health, and the natural heritage of the state.

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About the Creator

Salaar Jamali

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