Aquarist Atlas
Collection point · Lake Malawi · Tanzania

Wissman Bay

The atlas records 1 collection-point form from Wissman Bay.

9.5173°S 34.0327°E

Wissman Bay is a bay on Lake Malawi's Tanzanian shore, about 2 km west-south-west of Sanga Rocks.

Where it is

Wissman Bay is at the northern end of Lake Malawi.

Nearest collection points: Matema 1.7 mi north · Ikombe 2.4 mi east · Nkanda 4.5 mi south-east

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) (~472 km) — Conductivity 235 µS/cm

Surface temperature here

Across May–Dec, monthly means run 77 °F to 84 °F — coolest in Aug. Measured by satellite 1995–2023: the daily median of clear readings within 10 km of the site (1076 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 (1)–JFeb: too few clear satellite days (6)–FMar: too few clear satellite days (5)–MApr: too few clear satellite days (8)–AMay: 80 °F mean (80 °F–82 °F), 51 clear satellite daysMJun: 79 °F mean (78 °F–80 °F), 124 clear satellite daysJJul: 77 °F mean (76 °F–78 °F), 171 clear satellite daysJAug: 77 °F mean (76 °F–78 °F), 230 clear satellite daysASep: 78 °F mean (77 °F–79 °F), 242 clear satellite daysSOct: 80 °F mean (78 °F–82 °F), 156 clear satellite daysONov: 83 °F mean (81 °F–84 °F), 65 clear satellite daysNDec: 84 °F mean (83 °F–85 °F), 17 clear satellite daysD
Surface temperature by month near Wissman Bay — 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 — Lake Malawi interactive locations map: Wissman Bay

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.

Sciaenochromis (1)

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