Collection point · Lake Malawi · Malawi

Ilala Gap

ee-LAH-lah GAP (approx.)

The atlas records 1 collection-point form from Ilala Gap.

13.9992°S 34.8486°E

Ilala Gap is a channel on Lake Malawi's Malawian shore, between Domwe Island and the mainland, about 2 km east of Cape Maclear.

Where it is

Ilala Gap is on the eastern shore of Lake Malawi, in its southern third (313 mi south of the lake's northern tip).

Nearest collection points: Cape Maclear 1.5 mi west · Domwe Island 1.7 mi north-west · Chembe Beach 1.8 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) (~8 km) — Visibility (Secchi) 12.5 m

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 (1458 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 (4)–FMar: too few clear satellite days (8)–MApr: 80 °F mean (78 °F–82 °F), 42 clear satellite daysAMay: 78 °F mean (76 °F–80 °F), 152 clear satellite daysMJun: 77 °F mean (75 °F–78 °F), 201 clear satellite daysJJul: 75 °F mean (74 °F–76 °F), 223 clear satellite daysJAug: 75 °F mean (74 °F–76 °F), 287 clear satellite daysASep: 76 °F mean (74 °F–78 °F), 305 clear satellite daysSOct: 79 °F mean (77 °F–82 °F), 157 clear satellite daysONov: 82 °F mean (79 °F–83 °F), 69 clear satellite daysNDec: too few clear satellite days (9)–D
Surface temperature by month near Ilala Gap — 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

Site photographs show Domwe Island on one side of the gap and the mainland on the other, entered from both the north and the south, with one view looking west through it toward Chembe Beach.

Sources
  1. malawi.si — Ilala Gap, Lake Malawi, Malawi: location page and photo gallery (captions by Larry Johnson, Michael K. Oliver, Pete Barnes)

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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