Ancient fish dinners chart Sahara’s shift from savannah to desert
The Sahara’s shift from savannah with abundant lakes to a largely arid expanse has been traced in the remains of fish eaten thousands of years ago.
Researchers analysing material found in a rock shelter in the Acacus mountains in south-west Libya say they have found more than 17,500 animal remains dating from between 10,200 and 4,650 years ago, 80% of which are fish. About two-thirds of the fish were catfish and the rest were tilapia. The team say telltale marks on the bones reveal the fish were eaten by humans who used the shelter.
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