Victorian Fisher: Catch dropped by 80%

Seismic testing along Australia’s east coast in 2020 significantly reduced fishing catches, according to reports from local fishers. The activity involves ships emitting loud, low-frequency sound pulses over large ocean areas to locate oil and gas deposits beneath the seabed. However, these intense sound waves disrupt marine life, driving fish away and leading to sharp declines in commercial and recreational catches.

Fishers near Victoria and New South Wales noticed dramatic drops in species like scallops and lobsters shortly after seismic surveys began. These species, critical for local fisheries, became scarce as the disturbance interfered with their behavior and habitat use. Many fishers claim their daily catches fell by more than half, threatening their livelihoods and the broader fishing industry.

Research indicates that seismic blasting affects marine animals by disturbing feeding, breeding, and migration activities. The noise can cause fish and invertebrates to flee survey areas, reduce reproductive success, and increase stress-related mortality. Because some commercial species have complex life cycles closely tied to specific habitats, repeated seismic exposure poses a long-term risk to their populations.

The Australian Marine Conservation Society and fishing groups have called for stricter regulations, improved monitoring, and compensation mechanisms for fishers impacted by seismic surveys. Authorities acknowledge these concerns and are working to balance energy exploration with sustainable fisheries management through environmental assessments and mandated mitigation measures such as seasonal timing restrictions and exclusion zones.

Despite these efforts, ongoing conflicts between oil and gas development and fishing communities highlight the need for greater collaboration and precautionary approaches. Seismic surveys, while vital for resource exploration, must consider their ecological footprint to safeguard marine biodiversity and coastal livelihoods dependent on healthy fish stocks.

In summary, seismic testing in 2020 off Australia’s east coast caused marked reductions in fish and shellfish catches by disrupting marine ecosystems. Addressing these impacts requires coordinated policies that protect fishers’ interests while allowing responsible resource exploration to continue.

This summary is based on reports and analyses from the Australian Marine Conservation Society and official regulatory documents related to seismic survey impacts on fisheries