Chiwi Rocks
CHEE-wee ROKS (approx.)
The atlas records 21 collection-point forms from Chiwi Rocks, across 14 genera.
12.0386°S 34.6100°E
Chiwi Rocks is a rocky site at Chizumulu Island, about 1 km west-south-west of Liwelo Bay.
Where it is
Chiwi Rocks is in open water about 11 mi off the eastern shore, in the central third of Lake Malawi (177 mi south of the lake's northern tip).
Nearest collection points: Membe Island 0.9 mi south-east · Chizumulu Island 1.4 mi north-east · Machili Island 1.6 mi north
Shore, third and distances are measured from the coordinates above against the lake’s mapped outline.
The water
Lake-wide measured chemistry of Lake Malawi — collection points share their lake's water; site-specific figures are shown only where the literature records them.
Nearest measured station: Salima (south-east shore) (~192 km) — Conductivity 235 µS/cm
This site
Surface temperature here
Across Apr–Nov, monthly means run 76 °F to 82 °F — coolest in Aug. Measured by satellite 1995–2023: the daily median of clear readings within 10 km of the site (1081 clear days). The rainy-season months are usually too cloudy to measure and are left blank.
Temperature: ESA Climate Change Initiative, Lakes_cci v3.0 (Asfour et al. 2026; doi:10.5285/a56dba09df8a42ec9fba8b8c7a5e1f69). Chemistry on this page remains the lake's own.
The site
A site photograph, taken from the top of Mount Chingoli on Chizumulu Island, shows Chiwi Rocks.
Each entry below is the population of that species recorded here — the form aquarists keep and breed as a distinct, provenance-labelled line. Crossing forms from different collection points is considered hybridisation in the hobby.