The Spanish scientists participating in the project SELFDOTT achieved relevant results in tuna farming. (Photo: YouTube/ieoprensa/FIS)
Researchers plan to close the tuna life cycle in five years
Friday, October 28, 2011, 16:20 (GMT + 9)
Researchers at the Spanish Institute of Oceanography (IEO) hope to complete the life cycle of tuna in captivity in the next four or five years.
Spanish scientists have fry that have already exceeded 125 days of life and weigh 1.2 kilograms, stated Fernando de la Gandara, a researcher at the Institute.
This initiative is carried out under the project SELFDOTT (Self-sustained Aquaculture and Domestication of Bluefin Tuna).
On Wednesday Gandara participated in the Fourth Conference on Mediterranean Bluefin Tuna in L’Ametlla de Mar, organized in Terragona by the company Balfegó with the collaboration of the Higher Council for Scientific Research (CSIC), among other entities.
There it was recalled that Japanese scientists have already managed to close the life cycle of tuna in captivity and have started the marketing of specimens, EFE news agency reported.
During the morning session of that conference, the change in the current fishing period of tuna in the Mediterranean Sea, extending from 16 April to 14 June, was defended.
Professor of Fisheries Economics of the University of Barcelona, Ramon Franquesa, stated that this change could be implemented with the aim of giving longer time for tuna to spawn, which runs from 3 June to 12 July.
Franquesa explained that every year tuna spawn in different places, and if they are moved to fattening cages from the spawning points, the probability that these larvae develop decreases dramatically.
For the scientist, the change of the fishing period could be done if there are guarantees to ensure the compliance with the imposed fishing catch regulation.
Meanwhile, Alicia Villauriz, head of the General Secretariat of Marine Affairs, said that the Ministry of Environment and Rural and Marine Affairs (MARM) is committed to the strict measures of the Recovery Plan for Bluefin Tuna to achieve the sustainability of the resource.
He also explained that the final report from the Scientific Committee of the International Commission for the Conservation of Atlantic Tunas (ICCAT) includes a reference to "the positive signs recorded in the condition of this population."
These first satisfactory data "cannot lead to a relaxing pause in the implementation of the Recovery Plan until they are consolidated in future assessments," the Spanish official added.
Finally, it was pointed out that the Secretariat verified "the encouraging data provided on the development stage reached in the farming process of bluefin tuna in captivity," the MARM indicated.
- Massive bluefin tuna egg-laying in captivity
By Analia Murias