Fishing in Chad 1960s, 1970s, and 1980s, total production of fish was estimated at between 60,000 and 120,000 tons per year. But because these figures represent production for the Logone River and Lake Chad, which are shared with Cameroon, Niger, and Nigeria, Chad's fish production amounted to an estimated 70 percent of the total. The largest part of the catch – perhaps two-thirds – was consumed locally. In areas adjacent to urban centers, some portion - usually the best of the catch, such as large Nile perch (called "capitaine" in Chad) – was marketed fresh. Along Lake Chad and the river borders with
Chad–Nigeria relations the 1980s. Most religious violence was domestic in origin, but Nigerian police arrested a few Libyans, and Nigerian apprehension of Libyan infiltration through Chad intensified. Nigeria's 1983 economic austerity campaign also produced strains with neighboring states, including Chad. Nigeria expelled several hundred thousand foreign workers, mostly from its oil industry, which faced drastic cuts as a result of declining world oil prices. At least 30,000 of those expelled were Chadians. Despite these strains, however, Nigerians had assisted in the halting process of achieving stability in Chad, and both nations reaffirmed their intention to maintain close ties. In May 2014, in