Gephyrochromis sp. "Sand Black-fin" "Lundu"

Gephyrochromis sp. "Sand Black-fin" (Lundu, Lupingu)

Lundu — LOON-doo (approx.)

The fish

How this cichlid is built, and everything about how it lives, eats and breeds, is shared with the species — this page doesn't repeat it.

Read the full Gephyrochromis sp. "Sand Black-fin" account →

Specific to Lundu

  • Collection locality & coordinates
  • Local coloration — best judged from the living-fish photo
  • Kept as a single-provenance line, never crossed with other collection points

Care facts below are the species' — shared with Gephyrochromis sp. "Sand Black-fin".

CARESNOT LISTED
Genus type speciesGephyrochromis mooriiBoulenger 1901
Scientific size4.5 in12 cm total length
Temperature75–82 °F24–28 °C
pH7.7–8.6alkaline
Habitat watermoderately soft, alkaline, well-buffered79 ppmLake Malawi
Depth16–98 ft5–30 m
DietSand/periphyton comber or zooplankton picker over sand (genus-typical; exact mode not documented for this form)
BreedingMaternal mouthbrooder (presumed, genus-typical)Not documented for this form
Sexual dimorphismMinimalNot documented for this form beyond the diagnostic dark fin marking; no confirmed description of male versus female colour is available.
PhotographsSee photosGoogle Images →

The Lundu population

Gephyrochromis sp. "Sand Black-fin" "Lundu" is the Lundu population of Gephyrochromis sp. "Sand Black-fin", a geographic colour form from the Tanzania coast of Lake Malawi in the northern part of the lake. It is the same species as Gephyrochromis sp. "Sand Black-fin", distinguished by its collection locality and local coloration; aquarists keep and breed it as a discrete, provenance-labelled line.

Colour reference: living Lundu fish at malawi.si →

About the species

Gephyrochromis sp. "Sand Black-fin" is an undescribed cichlid from the southern Tanzanian shore of Lake Malawi, recorded at Lundu and Lupingu. It belongs to a small, poorly known genus of sand-associated mbuna relatives — only two species, Gephyrochromis moorii and Gephyrochromis lawsi, have ever been formally described — and it has never itself received a scientific name. Its trade name records where it lives (over open sand rather than clinging to bare rock, like most mbuna) and a dark marking on its fins used to tell it apart from its close relatives.

Full Gephyrochromis sp. "Sand Black-fin" account →

Sources

  1. malawi.si — Gephyrochromis sp. "Sand Black-fin" "Lundu"
  2. malawi.si — Gephyrochromis species and locality database
  3. Cichlid Room Companion — Gephyrochromis genus overview (Ad Konings, curator)
  4. Konings, A. — Malawi Cichlids in their Natural Habitat (Cichlid Press; Gephyrochromis biology and habitat)
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