It's global market data, not political propaganda. If people get these numbers wildly wrong, they lose money. The "Chinese numbers can never be trusted" canard can only be stretched so far when it comes to global economic data that is materially validated on a daily basis by countless non-Chinese stakeholders.
To be in that rank, a country would need first to declare the real number of the captures officially.
But it does not really matter. Is all about collateral effects.
"we catch only herrings and respect the Tuna (liar, liar, fins on fire), so why 9 of each 10 tuna in the planet vanished?".
Hem... Are we talking about the herring-eating tuna?"