Lake Malawi is
the ninth largest lake in the world. It is approx. 600km long and up to
80km wide. The maximum depth of the lake is 700m deep. It covers
31,000km
2. It is surrounded by three
countries: Malawi, Tanzania and Mozambique. Only the top 200m of the
lake are habitable to fish. The temperature in Lake Malawi ranges from
about 23-28°C (73-82°F). The temperatures can go as low as
20°C(68°F)
and as high as 30°C(86°F) on occasion. The pH ranges from
7.8-8.5.