Customers wearing face masks are seen at a live seafood section inside a supermarket, following a new outbreak of the coronavirus disease (COVID-19), in Beijing, China June 20, 2020. Picture taken June 20, 2020. REUTERS/Tingshu Wang

A staff member attends to a customer at a live seafood section inside a supermarket, following a new outbreak of the coronavirus disease (COVID-19), in Beijing, China June 20, 2020. Picture taken June 2020. REUTERS/Tingshu Wang

Frozen seafood products made of imported shrimps are seen inside a sealed freezer at a supermarket following a new outbreak of the coronavirus disease (COVID-19) in Beijing, China June 19, 2020. REUTERS/Carlos Garcia Rawlins

A woman wearing a face mask is seen reflected on a glass door of freezers containing frozen seafood products that have been sealed, at a supermarket following a new outbreak of the coronavirus disease (COVID-19) in Beijing, China June 19, 2020. REUTERS/Carlos Garcia Rawlins

A man wearing a face mask walks past sealed freezers containing seafood products at a supermarket following a new outbreak of the coronavirus disease (COVID-19) in Beijing, China June 19, 2020. REUTERS/Carlos Garcia Rawlins

Customers wearing face masks shop live seafood at a Carrefour supermarket, following new cases of coronavirus disease (COVID-19) infections in Beijing, China June 17, 2020. REUTERS/Tingshu Wang

Frozen seafood products made from imported salmon are seen at a Carrefour supermarket, following new cases of coronavirus disease (COVID-19) infections in Beijing, China June 17, 2020. REUTERS/Tingshu Wang

Customers wearing face masks walk past live seafood section in JD.com's 7Fresh chain, following new cases of coronavirus disease (COVID-19) infections in Beijing, China June 17, 2020. REUTERS/Tingshu Wang

A customer wearing a face mask looks at live seafood in JD.com's 7Fresh chain, following new cases of coronavirus disease (COVID-19) infections in Beijing, China June 17, 2020. REUTERS/Tingshu Wang

A staff member talks to a customer at a seafood section in JD.com's 7Fresh chain, following new cases of coronavirus disease (COVID-19) infections in Beijing, China June 17, 2020. REUTERS/Tingshu Wang

Customers wearing face masks look at frozen seafood products in JD.com's 7Fresh chain, following new cases of coronavirus disease (COVID-19) infections in Beijing, China June 17, 2020. REUTERS/Tingshu Wang

Seafood is seen for sale at a fish market following the easing of restrictions implemented to curb the spread of the coronavirus disease (COVID-19) in Sydney, Australia, June 17, 2020. REUTERS/Loren Elliott

Seafood is seen for sale at a fish market following the easing of restrictions implemented to curb the spread of the coronavirus disease (COVID-19) in Sydney, Australia, June 17, 2020. REUTERS/Loren Elliott

An employee removes seafood from a case at a fish market following the easing of restrictions implemented to curb the spread of the coronavirus disease (COVID-19) in Sydney, Australia, June 17, 2020. REUTERS/Loren Elliott

A vendor wearing a face mask prepares seafood at their stall inside the Yuegezhuang wholesale market, following new cases of coronavirus disease (COVID-19) infections in Beijing, China June 17, 2020. REUTERS/Tingshu Wang

Vendors wearing face masks move seafood at their stall inside the Yuegezhuang wholesale market, following new cases of coronavirus disease (COVID-19) infections in Beijing, China June 17, 2020. REUTERS/Tingshu Wang

Vendors wearing face masks wait for customers at a seafood stall inside the Yuegezhuang wholesale market, following new cases of coronavirus disease (COVID-19) infections in Beijing, China June 17, 2020. REUTERS/Tingshu Wang

A vendor wearing a face mask sells seafood at a market amid the spread of the coronavirus disease (COVID-19) in Samut Songkhram province, Thailand, June 15, 2020. Picture taken June 15, 2020. REUTERS/Athit Perawongmetha

People wearing face mask shop for seafood at a market amid the spread of the coronavirus disease (COVID-19) in Samut Songkhram province, Thailand, June 15, 2020. Picture taken June 15, 2020. REUTERS/Athit Perawongmetha

A man wearing a face mask looks at prawns displayed at the seafood section of a supermarket following new cases of coronavirus disease (COVID-19) infections in Beijing, China June 15, 2020. REUTERS/Tingshu Wang

An empty sashimi counter is seen next to seafood at a supermarket following new cases of coronavirus disease (COVID-19) infections in Beijing, China June 15, 2020. REUTERS/Tingshu Wang

An empty sashimi counter is seen next to live seafood at a supermarket following new cases of coronavirus disease (COVID-19) infections in Beijing, China June 15, 2020. REUTERS/Tingshu Wang

People are wearing face masks inside the Jingshen seafood market which has been closed for business after new coronavirus infections were detected, in Beijing, China, June 12, 2020. REUTERS/Thomas Peter

People are wearing face masks inside the Jingshen seafood market which has been closed for business after new coronavirus infections were detected, in Beijing, China, June 12, 2020. REUTERS/Thomas Peter

People are wearing face masks inside the Jingshen seafood market which has been closed for business after new coronavirus infections were detected, in Beijing, China, June 12, 2020. REUTERS/Thomas Peter

Security guards wearing face masks stand outside the Jingshen seafood market which has been closed for business after new coronavirus infections were detected, in Beijing, China June 12, 2020. REUTERS/Thomas Peter

A security guard wearing a face mask tries to block the camera outside the Jingshen seafood market which has been closed for business after new coronavirus infections were detected, in Beijing, China June 12, 2020. REUTERS/Thomas Peter

Security guards wearing face masks stand outside the Jingshen seafood market which has been closed for business after new coronavirus infections were detected, in Beijing, China June 12, 2020. REUTERS/Thomas Peter

Karlin Chan, a volunteer for the Chinatown Block Watch neighborhood patrol group, talks with a seafood market owner in Chinatown during the outbreak of the coronavirus disease (COVID-19) in New York City, New York, U.S., May 17, 2020. Picture taken May 17,2020. REUTERS/Jeenah Moon

Men, who's job it is to transport seafood between boats and Caraguay market, wait on some steps as they work during the coronavirus disease (COVID-19) outbreak, in Guayaquil, Ecuador, April 21, 2020. REUTERS/Santiago Arcos SEARCH "RURAL ECUADOR COVID-19" FOR THIS STORY. SEARCH "WIDER IMAGE" FOR ALL STORIES.

A man who's job it is to transport seafood between boats and Caraguay market, carries a pallet of crabs to Caraguay Market, during the coronavirus disease (COVID-19) outbreak, in Guayaquil, Ecuador, April 21, 2020. REUTERS/Santiago Arcos SEARCH "RURAL ECUADOR COVID-19" FOR THIS STORY. SEARCH "WIDER IMAGE" FOR ALL STORIES.

A worker stands outside of Pier 424 Seafood Market after restrictions were eased from two months under the coronavirus disease (COVID-19) lockdown, including allowing for 25 percent of permitted occupancy in stores and restaurants, in New Orleans, Louisiana, U.S., May 16, 2020. REUTERS/Kathleen Flynn

Staff wear protective face masks as they work in the seafood pavilion at Rungis International wholesale food market following the outbreak of the coronavirus disease (COVID-19) in Rungis, south of Paris, May 15, 2020. REUTERS/Benoit Tessier

Veronique Gillardeau, CEO of Blanc, poses in the seafood pavilion at Rungis International wholesale food market following the outbreak of the coronavirus disease (COVID-19) in Rungis, south of Paris, May 15, 2020. REUTERS/Benoit Tessier

Staff wear protective face masks as they work in the seafood pavilion at Rungis International wholesale food market following the outbreak of the coronavirus disease (COVID-19) in Rungis, south of Paris, May 15, 2020. REUTERS/Benoit Tessier

Mackerels are displayed in the seafood pavilion at Rungis International wholesale food market following the outbreak of the coronavirus disease (COVID-19) in Rungis, south of Paris, May 15, 2020. REUTERS/Benoit Tessier

Staff wearing a face shields work in the seafood pavilion at Rungis International wholesale food market following the outbreak of the coronavirus disease (COVID-19) in Rungis, south of Paris, May 15, 2020. REUTERS/Benoit Tessier

Staff work in the seafood pavilion at Rungis International wholesale food market following the outbreak of the coronavirus disease (COVID-19) in Rungis, south of Paris, May 15, 2020. REUTERS/Benoit Tessier

Tito Marquez, the manager of 10th and M Seafoods, wears a face mask behind the counter, during the global outbreak of the coronavirus disease (COVID-19), in Anchorage, Alaska, U.S. April 23, 2020. Picture taken April 23, 2020. REUTERS / Yereth Rosen

Tito Marquez, the manager of 10th and M Seafoods, places halibut fillets on a display case in Anchorage, Alaska, U.S. April 23, 2020. Marquez said customers have been buying a lot of Pacific halibut, a premium fish which prices have been driven down by a lack of restaurant business due to the global outbreak of the coronavirus disease (COVID-19). Fresh fillets normally sell for over $20 a pound but during this period 10th and M Seafoods had halibut priced at $16.95 a pound. Picture taken April 23, 2020. REUTERS/Yereth Rosen

Tito Marquez, the manager of 10th and M Seafoods, places halibut fillets on a display case in Anchorage, Alaska, U.S. April 23, 2020. Marquez said customers have been buying a lot of Pacific halibut, a premium fish which prices have been driven down by a lack of restaurant business due to the global outbreak of the coronavirus disease (COVID-19). Fresh fillets normally sell for over $20 a pound but during this period 10th and M Seafoods had halibut priced at $16.95 a pound. Picture taken April 23, 2020. REUTERS/Yereth Rosen

The St. Paul Harbor, one of the top seafood ports in the United States, is pictured in Kodiak, Alaska February 23, 2018. Picture taken February 23, 2018. REUTERS/Yereth Rosen

The St. Paul Harbor, one of the top seafood ports in the United States, is pictured in Kodiak, Alaska February 23, 2018. Picture taken February 23, 2018. REUTERS/Yereth Rosen

The St. Paul Harbor, one of the top seafood ports in the United States, is pictured in Kodiak, Alaska February 23, 2018. Picture taken February 23, 2018. REUTERS/Yereth Rosen

A person waits in line to enter the District Wharf seafood marketplace, following Mayor Muriel Bowser's declaration of a state of emergency due to the coronavirus disease (COVID-19) in Southwest Washington, U.S., April 15, 2020. REUTERS/Tom Brenner

A security officer holds up her hands signaling the new number of customers allowed into the District Wharf seafood market following Mayor Muriel Bowser's declaration of a state of emergency due to the coronavirus disease (COVID-19) in Southwest Washington, U.S., April 15, 2020. REUTERS/Tom Brenner

Barricades and fencing are placed along a walkway at the District Wharf seafood marketplace, following Mayor Muriel Bowser's declaration of a state of emergency due to the coronavirus disease (COVID-19) in Southwest Washington, U.S., April 15, 2020. REUTERS/Tom Brenner

Barricades and fencing are placed along a walkway at the District Wharf seafood marketplace, following Mayor Muriel Bowser's declaration of a state of emergency due to the coronavirus disease (COVID-19) in Southwest Washington, U.S., April 15, 2020. REUTERS/Tom Brenner

A blocked entrance to Huanan seafood market, where the coronavirus that can cause COVID-19 is believed to have first surfaced, is seen in Wuhan, Hubei province, China March 30, 2020. Picture taken March 30, 2020. REUTERS/Aly Song

Fishermen unload caught seafood at the port, as the spread of coronavirus disease (COVID-19) continues, in Fiumicino, near Rome, Italy, March 30, 2020. REUTERS/Alberto Lingria

Fishermen unload caught seafood at the port, as the spread of coronavirus disease (COVID-19) continues, in Fiumicino, near Rome, Italy, March 30, 2020. REUTERS/Alberto Lingria

Fishermen unload caught seafood at the port, as the spread of coronavirus disease (COVID-19) continues, in Fiumicino, near Rome, Italy, March 30, 2020. REUTERS/Alberto Lingria

A man wearing a face mask washes a delivery of seafood at the port, as the spread of coronavirus disease (COVID-19) continues, in Fiumicino, near Rome, Italy, March 30, 2020. REUTERS/Alberto Lingria

A chef works in the kitchen at the Athenian Seafood Restaurant in the Public Market, amid the coronavirus outbreak, in Seattle, Washington, U.S., March 14, 2020. REUTERS/Brian Snyder

A vendor arranges a display of seafood at the Public Market, amid the coronavirus outbreak, in Seattle, Washington, U.S., March 14, 2020. REUTERS/Brian Snyder

A server works in the dining room of the Athenian Seafood Restaurant in the Public Market, amid the coronavirus outbreak, in Seattle, Washington, U.S., March 14, 2020. REUTERS/Brian Snyder

A man bicycles past the shrimp boat "Capt. T.J." owned by the 13 Mile Seafood company while it is docked in Apalachicola, Florida, U.S. February 11, 2020. Picture taken February 11, 2020. REUTERS/Colin Hackley

Alicia Odum of Barber's Seafood in Eastpoint, Florida, U.S., removes meat from the shell of an oyster from Texas, which the company is using to fulfill their orders as the Apalachicola Bay, which was once the company's only source for oysters no longer produces enough shellfish to meet demand, February 11, 2020. Picture taken February 11, 2020. REUTERS/Colin Hackley

Oysters just pulled from the bottom of Apalachicola Bay sit bagged in Michael Dasher, Jr.'s boat off Eastpoint, Florida, U.S. before they are taken for sale to a seafood distributor, February 11, 2020. Picture taken February 11, 2020. REUTERS/Colin Hackley