The Squid Ink Tattoo parlour is seen on the Virgin Voyages Scarlet Lady cruise liner at Dover Port in Dover, Britain, February 21, 2020. REUTERS/Simon Dawson

Research technician, Danielle Lasseigne (L), Kathryn Cableigh and Marilyn Brandt, a research associate professor at the University of the Virgin Islands' Center for Marine and Environmental Studies, swim past a school of squid while removing corals affected by Stony Coral Tissue Loss Disease (SCTLD) near the University of the Virgin Islands campus in St Thomas in the U.S. Virgin Islands, May 15, 2019. REUTERS/Lucas Jackson

Chilean Industrial fishermen take part in a protest to demand modification of a fishing law for the extraction of squids before it is promulgated by the Chilean president in Santiago Chile January 18, 2019. REUTERS/Rodrigo Garrido

Chilean Industrial fishermen take part in a protest to demand modification of a fishing law for the extraction of squids before it is promulgated by the Chilean president in Santiago Chile January 18, 2019. REUTERS/Rodrigo Garrido

Chilean Industrial fishermen take part in a protest to demand modification of a fishing law for the extraction of squids before it is promulgated by the Chilean president in Santiago Chile January 18, 2019. REUTERS/Rodrigo Garrido

Chilean Industrial fishermen take part in a protest to demand modification of a fishing law for the extraction of squids before it is promulgated by the Chilean president in Santiago Chile January 18, 2019. REUTERS/Rodrigo Garrido

Tajien Habbar Abyed, a casserole consisting of squid, octopus and white sauce, is pictured at Ibn Hamido seafood restaurant in Port Said city, northeast of Cairo, Egypt, November 28, 2018. REUTERS/Amr Abdallah Dalsh

Lamps used for squid fishing are seen on during a test operation on the squid fishing ship Shotoku-Maru No. 38 at a port in Sakata, Yamagata prefecture, Japan June 5, 2018. Picture taken June 5, 2018. REUTERS/Issei Kato

A crew member of the squid fishing ship Shotoku-Maru No. 38 waves to relatives as he departures for fishing at a port in Sakata, Yamagata prefecture, Japan June 6, 2018. Picture taken June 6, 2018. REUTERS/Issei Kato

Cooks make grilled squid during a Halloween event at Happy Valley park in Beijing, China, October 31, 2018. REUTERS/Jason Lee

Fish street vendor Otello grabs some squids inside his van in Castell'Azzara, Italy October 31, 2018. REUTERS/Max Rossi

A Yotchan branded Japanese squid snack is seen in this picture illustration, Tokyo, Japan, September 14, 2018. Picture taken September 14, 2018. To match Special Report OCEANS-TIDE/FLYING SQUID REUTERS/Issei Kato/Illustration

A Yotchan brand of Japanese squid snack is seen in this picture illustration in Tokyo, Japan September 14, 2018. Picture taken September 14, 2018. To match Special Report OCEANS-TIDE/FLYING SQUID REUTERS/Issei Kato/Illustration

Japanese squid snacks are displayed at the office of the National Cooperative Association of Squid Processors in Tokyo, Japan, September 13, 2018. Picture taken September 13, 2018. To match Special Report OCEANS-TIDE/FLYING SQUID REUTERS/Issei Kato

Fish traders check squid before an auction at Hakodate wholesale market in Hakodate, Japan, July 20, 2018. Picture taken July 20, 2018. To match Special Report OCEANS-TIDE/FLYING SQUID REUTERS/Issei Kato

A drain cover illustrated with squid is seen on a street in Hakodate, Japan, July 20, 2018. Picture taken July 20, 2018. To match Special Report OCEANS-TIDE/FLYING SQUID REUTERS/Issei Kato

A general view of Hakodate port, Japan, July 19, 2018. Picture taken July 19, 2018. To match Special Report OCEANS-TIDE/FLYING SQUID REUTERS/Issei Kato

Shigeru Saito, captain of the squid fishing ship Hosei-Maru No.58, poses for a photograph in front of his ship at a port in Sakata, Japan, June 5, 2018. Picture taken June 5, 2018. To match Special Report OCEANS-TIDE/FLYING SQUID REUTERS/Issei Kato

Crew members of the squid fishing ship Wakashio-Maru No.85 wave to relatives as they depart from the port in Sakata, Japan, June 6, 2018. Picture taken June 6, 2018. To match Special Report OCEANS-TIDE/FLYING SQUID REUTERS/Issei Kato

Flags called 'Tairyo-bata', fishing boat flags that are used to indicate a large catch, are hoisted on the squid fishing ship Wakashio-Maru No.85 before its departure from a port in Sakata, Japan, June 6, 2018. Picture taken June 6, 2018. To match Special Report OCEANS-TIDE/FLYING SQUID REUTERS/Issei Kato

A fleet of squid fishing ships is seen at a port in Sakata, Japan, June 5, 2018. Picture taken June 5, 2018. To match Special Report OCEANS-TIDE/FLYING SQUID REUTERS/Issei Kato

Atsushi Kobayashi, a live squid trader, stands at his shop in Ota Wholesale Market in Tokyo, Japan, July 23, 2018. Picture taken July 23, 2018. To match Special Report OCEANS-TIDE/FLYING SQUID REUTERS/Issei Kato

National Cooperative Association of Squid Processors Managing Director Hiroshi Nonoyama poses for a photograph at the association's office in Tokyo, Japan, September 13, 2018. Picture taken September 13, 2018. To match Special Report OCEANS-TIDE/FLYING SQUID REUTERS/Issei Kato

Relatives and crew members of squid fishing ship Hosei-Maru No.58 hold the small party before the departure of the ship for fishing at a port in Sakata, Yamagata prefecture, northern Japan, June 6, 2018. Picture taken June 6, 2018. To match Special Report OCEANS-TIDE/FLYING SQUID REUTERS/Issei Kato

Geishas, traditional Japanese female entertainers, attend a ceremony celebrating the departure of the squid fishing ships at a port in Sakata, Japan, June 6, 2018. Picture taken June 6, 2018. To match Special Report OCEANS-TIDE/FLYING SQUID REUTERS/Issei Kato

A Buddhist monk performs a ritual prayer for a good catch and safe navigation before the squid fishing ships depart from a port in Sakata, Japan, June 6, 2018. Picture taken June 6, 2018. To match Special Report OCEANS-TIDE/FLYING SQUID REUTERS/Issei Kato

Squid fishing equipment is seen on the squid fishing ship Hosei-Maru No.58 at a port in Sakata, Japan, June 5, 2018. Picture taken June 5, 2018. To match Special Report OCEANS-TIDE/FLYING SQUID REUTERS/Issei Kato

Relatives of a squid fishing crew wave, as the ship departs a port in Sakata, Japan, June 6, 2018. Picture taken June 6, 2018. To match Special Report OCEANS-TIDE/FLYING SQUID REUTERS/Issei Kato

Sakata city official mascots, Moshenon and Anonon, attend a ceremony celebrating the departure of the squid fishing ships at a port in Sakata, Japan, June 6, 2018. Picture taken June 6, 2018. To match Special Report OCEANS-TIDE/FLYING SQUID REUTERS/Issei Kato Picture taken

Relatives of the squid fishing crew hold paper streamers before departure of the ship at a port in Sakata, Japan, June 6, 2018. Picture taken June 6, 2018. To match Special Report OCEANS-TIDE/FLYING SQUID REUTERS/Issei Kato

Lamps used for squid fishing are turned on during a test operation on the squid fishing ship Shotoku-Maru No. 38 at a port in Sakata, Yamagata prefecture, Japan, June 5, 2018. Picture taken June 5, 2018. To match Special Report OCEANS-TIDE/FLYING SQUID REUTERS/Issei Kato

Takashi Odajima makes 'Shio-kara', a traditional fermented squid dish, at his family factory in Hakodate, Hokkaido, Japan, July 19, 2018. Picture taken July 19, 2018. To match Special Report OCEANS-TIDE/FLYING SQUID REUTERS/Issei Kato

Employees work at a squid processing plant in Sakata, Yamagata prefecture, Japan, June 5, 2018. Picture taken June 5, 2018. To match Special Report OCEANS-TIDE/FLYING SQUID REUTERS/Issei Kato

A crew member of a squid fishing ship Wakashio-maru No. 85 waves to the relatives as they depart the fishing port in Sakata, Yamagata prefecture, Japan, June 6, 2018. Picture taken June 6, 2018. To match Special Report OCEANS-TIDE/FLYING SQUID REUTERS/Issei Kato

Takashi Odajima makes 'Shio-kara', a traditional fermented squid dish, at his family factory in Hakodate, Hokkaido, Japan, July 19, 2018. Picture taken July 19, 2018. To match Special Report OCEANS-TIDE/FLYING SQUID REUTERS/Issei Kato

Employees work at a squid processing plant in Sakata, Yamagata prefecture, Japan, June 5, 2018. Picture taken June 5, 2018. To match Special Report OCEANS-TIDE/FLYING SQUID REUTERS/Issei Kato

Takashi Odajima makes 'Shio-kara', a traditional fermented squid dish, at his family factory in Hakodate, Japan, July 19, 2018. Picture taken July 19, 2018. To match Special Report OCEANS-TIDE/FLYING SQUID REUTERS/Issei Kato

Toshinori Kagaya, a third generation flag maker specialising in making flags for fishing ships called 'Tairyo-bata', which indicate a large catch, works at his factory in Hakodate, Hokkaido, Japan, July 19, 2018. Picture taken July 19, 2018. To match Special Report OCEANS-TIDE/FLYING SQUID REUTERS/Issei Kato

A tourist enjoys squid fishing at Hakodate Morning Market in Hakodate, Hokkaido, Japan, July 19, 2018. Picture taken July 19, 2018. To match Special Report OCEANS-TIDE/FLYING SQUID REUTERS/Issei Kato

Products of 'Shio-kara', a traditional fermented squid dish, are seen inside a freezer at a factory owned by Takashi Odajima in Hakodate, Hokkaido, Japan, July 19, 2018. Picture taken July 19, 2018. To match Special Report OCEANS-TIDE/FLYING SQUID REUTERS/Issei Kato

Takashi Odajima, who runs a seafood company manufacturing 'Shio-kara', a traditional fermented squid dish and other seafoods, poses for a photograph at his family factory in Hakodate, Hokkaido, Japan, July 19, 2018. Picture taken July 19, 2018.To match Special Report OCEANS-TIDE/FLYING SQUID REUTERS/Issei Kato

National Cooperative Association of Squid Processors Managing Director Hiroshi Nonoyama speaks at the association's office in Tokyo, Japan, September 13, 2018. Picture taken September 13, 2018. To match Special Report OCEANS-TIDE/FLYING SQUID REUTERS/Issei Kato

A Yotchan brand Japanese squid snack is displayed at the office of National Cooperative Association of Squid Processors in Tokyo, Japan, September 13, 2018. Picture taken September 13, 2018. To match Special Report OCEANS-TIDE/FLYING SQUID REUTERS/Issei Kato

Japanese squid snacks are displayed at a retail shop in Tokyo, Japan, September 13, 2018. Picture taken September 13, 2018. To match Special Report OCEANS-TIDE/FLYING SQUID REUTERS/Issei Kato

Squid is displayed at Hakodate Morning Market in Hakodate, Hokkaido, Japan, July 19, 2018. Picture taken July 19, 2018. To match Special Report OCEANS-TIDE/FLYING SQUID REUTERS/Issei Kato

Japanese squid snacks are seen in this picture illustration, September 26, 2018. Picture taken September 26, 2018. To match Special Report OCEANS-TIDE/FLYING SQUID REUTERS/Issei Kato/Illustration

A chef serves flying squid sashimi at a seafood restaurant in Tokyo, Japan, September 27, 2018. Picture taken September 27, 2018. To match Special Report OCEANS-TIDE/FLYING SQUID REUTERS/Issei Kato

Squid fishermen land a catch of squid at Hakodate wholesale market in Hakodate, Hokkaido, Japan, July 20, 2018. Picture taken July 20, 2018. To match Special Report OCEANS-TIDE/FLYING SQUID REUTERS/Issei Kato

A chef prepares a flying squid to make sashimi at a seafood restaurant in Tokyo, Japan, September 27, 2018. Picture taken September 27, 2018. To match Special Report OCEANS-TIDE/FLYING SQUID REUTERS/Issei Kato

Local squid merchants inspect squid before an auction at Hakodate wholesale market in Hakodate, Hokkaido, Japan, July 20, 2018. Picture taken July 20, 2018. To match Special Report OCEANS-TIDE/FLYING SQUID REUTERS/Issei Kato

Family photos belonging to Takashi Odajima, who runs a seafood company manufacturing 'Shio-kara', a traditional fermented squid dish, and other seafoods, are seen at his family factory in Hakodate, on Japan's northern island of Hokkaido, July 19, 2018. Picture taken July 19, 2018. REUTERS/Issei Kato

Spear squids are displayed for sale at the Tsukiji fish market in Tokyo, Japan, September 29, 2018. REUTERS/Issei Kato

A map showing waters between Japan and the Korean Peninsula is displayed at a squid-processing plant in Sakata, Yamagata prefecture, northern Japan, June 5, 2018. Picture taken June 5, 2018. REUTERS/Issei Kato

Defrosted squid is seen at a squid-processing plant in Sakata, Yamagata prefecture, northern Japan, June 5, 2018. Picture taken June 5, 2018. REUTERS/Issei Kato

Buddhist monks prepare for a ritual for praying for a good catch and safe navigation before the departure of a fleet of squid fishing ships at a port in Sakata, Yamagata prefecture, northern Japan, June 6, 2018. Picture taken June 6, 2018. REUTERS/Issei Kato

Relatives and crew members of squid fishing ship Hosei-Maru No.58 hold small party before the departure of the ship for fishing at a port in Sakata, Yamagata prefecture, northern Japan, June 6, 2018. Picture taken June 6, 2018. REUTERS/Issei Kato

A crew member of a squid fishing ship Hosei-Maru No.58 waves to relatives as the ship departs for fishing at a port in Sakata, Yamagata prefecture, northern Japan, June 6, 2018. Picture taken June 6, 2018. REUTERS/Issei Kato

Relatives of squid fishing ship Hosei-Maru No.58, holding paper streamers send off the ship's crew at a port in Sakata, Yamagata prefecture, northern Japan, June 6, 2018. Picture taken June 6, 2018. REUTERS/Issei Kato

Indonesian crew members of squid fishing ship Hosei-Maru No.58 prepare the ship for departure at a port in Sakata, Yamagata prefecture, northern Japan, June 5, 2018. Picture taken June 5, 2018. REUTERS/Issei Kato