Scientists and campaigners warn that factories in coastal villages are wreaking environmental and economic havoc.
Dozens of foreign trawlers are licensed to fish in Sierra Leonean waters and the aim of the ban was to help replenish species damaged by overfishing
SA has embarked on Operation Phakisa, a programme which aims to generate R177-billion a year from exploiting the ocean economy.
An Oceana report says most shark species are heading towards extinction, while many are still being caught and killed.
The season for an ancient and spectacular tuna-fishing technique has begun off Spain's southwest coast.