Collection point · Lake Malawi · Tanzania

Pombo Rocks

POHM-boh ROKS (approx.)

The atlas records 20 collection-point forms from Pombo Rocks, across 10 genera.

10.6619°S 34.6428°E

Pombo Rocks is a rocky site on Lake Malawi's Tanzanian shore, about 5 km north of Lundu.

Where it is

Pombo Rocks is on the eastern shore of Lake Malawi, in its northern third (82 mi south of the lake's northern tip).

Nearest collection points: Lundu 3.3 mi south · Ndumbi Reef 3.5 mi north-west · Ndumbi Point 3.6 mi north-west

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.

Temperature75.2–84.2 °F24–29 °C
pH8.2–8.6alkaline
Hardnessmoderately soft, alkaline, well-buffered79 ppm
Conductivity≈250–260 µS/cmmeasured range

Nearest measured station: Salima (south-east shore) (~344 km) — Conductivity 235 µS/cm

This site

Habitatrockyrocky site on Lake Malawi's Tanzanian shore

Surface temperature here

Across May–Nov, monthly means run 76 °F to 81 °F — coolest in Aug. Measured by satellite 1995–2023: the daily median of clear readings within 10 km of the site (898 clear days). The rainy-season months are usually too cloudy to measure and are left blank.

75°78°81°84°Jan: too few clear satellite days (0)–JFeb: too few clear satellite days (4)–FMar: too few clear satellite days (1)–MApr: too few clear satellite days (7)–AMay: 80 °F mean (79 °F–81 °F), 60 clear satellite daysMJun: 79 °F mean (77 °F–80 °F), 103 clear satellite daysJJul: 77 °F mean (76 °F–78 °F), 149 clear satellite daysJAug: 76 °F mean (75 °F–77 °F), 194 clear satellite daysASep: 77 °F mean (76 °F–79 °F), 198 clear satellite daysSOct: 79 °F mean (77 °F–81 °F), 118 clear satellite daysONov: 81 °F mean (79 °F–83 °F), 61 clear satellite daysNDec: too few clear satellite days (3)–D
Surface temperature by month near Pombo Rocks — dot = mean, bar = typical range (10th–90th percentile), “–” = too cloudy to measure.

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.

Sources
  1. malawi.si — Pombo Rocks, Lake Malawi, Tanzania: location page and photo gallery

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.

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