Collection point · Lake Malawi · Malawi

Mbenji Island

m-BEHN-jee EYE-land (approx.)

The atlas records 47 collection-point forms from Mbenji Island, across 25 genera.

13.4357°S 34.4918°E

Mbenji Island is a small rocky island in open water off Lake Malawi's western shore, part of a cluster with Kampambe, Ababi and Penga Penga Islands, and a well-known source of endemic Mbenji-labelled mbuna.

Where it is

Mbenji Island is in open water about 8.1 mi off the western shore, in the southern third of Lake Malawi (274 mi south of the lake's northern tip).

Nearest collection points: Ababi Island 0.4 mi north-east · Penga Penga Island 0.6 mi north-east · Fuawe Island 1.2 mi 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) (~36 km) — Conductivity 235 µS/cm

This site

Habitatrockyisland cluster in open water off the western shore

Surface temperature here

Across Apr–Nov, monthly means run 75 °F to 82 °F — coolest in Jul. Measured by satellite 1995–2023: the daily median of clear readings within 10 km of the site (1324 clear days). The rainy-season months are usually too cloudy to measure and are left blank.

73°77°81°85°Jan: too few clear satellite days (1)–JFeb: too few clear satellite days (1)–FMar: too few clear satellite days (6)–MApr: 80 °F mean (78 °F–82 °F), 30 clear satellite daysAMay: 78 °F mean (77 °F–80 °F), 138 clear satellite daysMJun: 77 °F mean (75 °F–78 °F), 187 clear satellite daysJJul: 75 °F mean (74 °F–76 °F), 215 clear satellite daysJAug: 75 °F mean (74 °F–76 °F), 275 clear satellite daysASep: 76 °F mean (75 °F–78 °F), 272 clear satellite daysSOct: 80 °F mean (77 °F–81 °F), 137 clear satellite daysONov: 82 °F mean (80 °F–85 °F), 58 clear satellite daysNDec: too few clear satellite days (4)–D
Surface temperature by month near Mbenji 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.

The site

Depending on the lake's water level, a narrow strip of land between Kampambe and Mbenji either connects the two islands or separates them.

Sources
  1. malawi.si — Mbenji Island, Lake Malawi, Malawi: location page and photo gallery (captions by Ad Konings, Pete Barnes, Hagebycikliden)

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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