Pesquera Camanchaca group's first half earnings before interest, taxes, depreciation and amortization (EBITDA) slid as the company's salmon farming division sustained heavy losses brought on by algae blooms and low water oxygen levels.

EBITDA came in at $9.4 million (€7.9 million), down 76 percent from the $38.8 million (€32.7 million) posted a year earlier.

Group revenues, meanwhile, rose 6 percent to $312.2 million (€263.5 million).

The company's salmon farming, fisheries and mussel producing divisions all recorded higher revenues but the Chilean firm's salmon producing arm swung to $15.7