Aquarist Atlas
Collection point · Lake Tanganyika · Tanzania

Bwasa

BWAH-sah (approx.)

The atlas records 1 collection-point form from Bwasa.

7.3672°S 30.1834°E

Bwasa is a collection point on Tanzania's Lake Tanganyika shore, about 2 km north-north-west of Kalubamba.

Where it is

Bwasa is on the western shore of Lake Tanganyika, in its southern third (279 mi south of the lake's northern tip).

Nearest collection points: Kalubamba 1 mi south · Kizike 1.7 mi south · Zongwe 4 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 Tanganyika — collection points share their lake's water; site-specific figures are shown only where the literature records them.

Temperature77–80.6 °F25–27 °C
pH8.6–9.2alkaline
Hardnesshard · 600–690 µS/cm

Nearest measured station: Mpulungu (south basin) (~185 km) — Temperature 24.5 °C · pH 8.9 · Conductivity 662 µS/cm · Visibility (Secchi) 11.9 m

Surface temperature here

Across Apr–Nov, monthly means run 77 °F to 81 °F — coolest in Aug. Measured by satellite 1995–2023: the daily median of clear readings within 10 km of the site (1226 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 (2)–JFeb: too few clear satellite days (5)–FMar: too few clear satellite days (5)–MApr: 81 °F mean (80 °F–83 °F), 11 clear satellite daysAMay: 80 °F mean (78 °F–81 °F), 83 clear satellite daysMJun: 78 °F mean (77 °F–80 °F), 251 clear satellite daysJJul: 77 °F mean (76 °F–78 °F), 329 clear satellite daysJAug: 77 °F mean (75 °F–78 °F), 293 clear satellite daysASep: 78 °F mean (76 °F–79 °F), 172 clear satellite daysSOct: 79 °F mean (77 °F–80 °F), 64 clear satellite daysONov: 80 °F mean (78 °F–81 °F), 10 clear satellite daysNDec: too few clear satellite days (1)–D
Surface temperature by month near Bwasa — 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. tanganyika.si — Lake Tanganyika interactive locations map: Bwasa

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.

Julidochromis (1)

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