Collection point · Lake Malawi · Malawi

Harbour Island

HAR-ber EYE-land (approx.)

The atlas records 9 collection-point forms from Harbour Island, across 5 genera.

14.0690°S 34.9296°E

Harbour Island is an island in Lake Malawi's Malawian waters, under 1 km east of Monkey Bay.

Where it is

Harbour Island is on the western shore of Lake Malawi, in its southern third (318 mi south of the lake's northern tip).

Nearest collection points: Thumbi East Island 0.6 mi north-west · Monkey Bay 0.6 mi west · Songwe Hill 1.3 mi south

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: Monkey Bay (south basin) (~6 km) — Visibility (Secchi) 12.5 m

Surface temperature here

Across Apr–Nov, monthly means run 74 °F to 81 °F — coolest in Jul. Measured by satellite 1995–2023: the daily median of clear readings within 10 km of the site (1466 clear days). The rainy-season months are usually too cloudy to measure and are left blank.

73°76°79°82°Jan: too few clear satellite days (1)–JFeb: too few clear satellite days (3)–FMar: too few clear satellite days (8)–MApr: 80 °F mean (76 °F–82 °F), 39 clear satellite daysAMay: 78 °F mean (76 °F–79 °F), 158 clear satellite daysMJun: 76 °F mean (75 °F–78 °F), 210 clear satellite daysJJul: 74 °F mean (73 °F–76 °F), 221 clear satellite daysJAug: 75 °F mean (73 °F–76 °F), 288 clear satellite daysASep: 76 °F mean (74 °F–78 °F), 304 clear satellite daysSOct: 79 °F mean (77 °F–81 °F), 160 clear satellite daysONov: 81 °F mean (79 °F–83 °F), 66 clear satellite daysNDec: too few clear satellite days (8)–D
Surface temperature by month near Harbour Island — 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 — Harbour Island, Lake Malawi, Malawi: 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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