By Francesco De Augustinis Although yellowfin tuna comprises almost one-third of the global tuna catch, in the Indian Ocean it’s been declared overfished for the past nine years and scientists have described the stock as being “in critical condition.” Yet countries failed to reach any agreement to reduce catches of yellowfin (Thunnus albacares) at the closely watched recent meeting of the Indian Ocean Tuna Commission, the intergovernmental body that regulates fishing for tuna and tuna-like species in the region. Delegates did, however, adopt the first management measures for skipjack tuna (Kat…