Aquarist Atlas
↑ Collection form of Placidochromis acuticeps

Placidochromis acuticeps "South East Arm"

Placidochromis acuticeps (South East Arm)

South East Arm — SOWTH EEST ARM (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 Placidochromis acuticeps account →

Specific to South East Arm

  • 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 Placidochromis acuticeps.

IUCNDATA DEFICIENT · 2018
DDnot on the EX–LC scale
CARESNOT LISTED
Genus type speciesPlacidochromis longimanusdescribed as Haplochromis longimanus Trewavas 1935
Scientific size4 in10.3 cm standard length
Temperature73–81 °F23–27 °C
pH7.8–8.6alkaline
Hardness (GH)up to 357 ppm
Habitat watermoderately soft, alkaline, well-buffered79 ppmLake Malawi
Depth—not recorded
DietPresumed benthic invertivore (no direct study; inferred from genus and deep-water habitat)
BreedingMaternal mouthbrooder (inferred from Malawi haplochromine flock; not documented for this species)Unrecorded for this species
Sexual dimorphismNot documentedNot documented; known mainly from preserved, trawled specimens, so breeding coloration and dimorphism are unrecorded.
PhotographsSee photosGoogle Images →

The South East Arm population

Placidochromis acuticeps "South East Arm" is the South East Arm population of Placidochromis acuticeps, a geographic colour form from the Malawi coast of Lake Malawi in the southern part of the lake. It is the same species as Placidochromis acuticeps, distinguished by its collection locality and local coloration; aquarists keep and breed it as a discrete, provenance-labelled line.

Colour reference: living South East Arm fish at malawi.si →

About the species

Placidochromis acuticeps is a small, deep-water haplochromine cichlid endemic to Lake Malawi, described in 2004 by Mark Hanssens as part of a wholesale revision of the lake's deep-living Placidochromis. It is known only from Mvunguti in the south of the lake, where it lives below the reach of recreational divers. Its name — 'sharp head' — captures the angular, pointed profile that, together with a set of fine meristic differences, separates it from its many deep-water relatives.

Full Placidochromis acuticeps account →

Sources

  1. malawi.si — Placidochromis acuticeps "South East Arm"
  2. FishBase — Placidochromis acuticeps Hanssens, 2004 (SpecCode 62391; size, distribution, depth, IUCN)
  3. Eschmeyer's Catalog of Fishes — Placidochromis acuticeps (valid name, authorship, type data)
  4. Hanssens, M., 2004 — The deep-water Placidochromis species. In: J. Snoeks (ed.), The Cichlid Diversity of Lake Malawi/Nyasa/Niassa: Identification, Distribution and Taxonomy, pp. 104-197. Cichlid Press (original description)
  5. Konings, A. — Malawi Cichlids in their Natural Habitat (deep-water Placidochromis and Malawi hap ecology, background reference)
  6. Lewis, D.S.C., 1982 — Description of Placidochromis (genus establishment)
  7. IUCN Red List — Placidochromis acuticeps "South East Arm"
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