Aquarist Atlas
↑ Collection form of Lethrinops sp. "Deep-water Altus"

Lethrinops sp. "Deep-water Altus" "South East Arm"

Lethrinops sp. "Deep-water Altus" (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 Lethrinops sp. "Deep-water Altus" 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 Lethrinops sp. "Deep-water Altus".

CARESNOT LISTED
Genus type speciesLethrinops lethrinusdescribed as Chromis lethrinus Günther 1894
Scientific size5.5 in14 cm total length
Temperature73–81 °F23–27 °C
pH7.7–8.6alkaline
Hardness (GH)up to 446 ppm
Habitat watermoderately soft, alkaline, well-buffered79 ppmLake Malawi
Depth66–131 ft20–40 m
DietSubstrate-probing invertivore, inferred from resemblance to L. altus and its muddy-bottom relatives; not directly observed for this form
Breedingmaternal mouthbrooder (presumed, genus-typical)not documented for this form; genus-typical, a few dozen eggs
Sexual dimorphismMinimalNo colour description specific to this form has been published beyond its resemblance to L. altus; not fabricated here pending a documented account.
PhotographsSee photosGoogle Images →

The South East Arm population

Lethrinops sp. "Deep-water Altus" "South East Arm" is the South East Arm population of Lethrinops sp. "Deep-water Altus", a geographic colour form from the Malawi coast of Lake Malawi in the southern part of the lake. It is the same species as Lethrinops sp. "Deep-water Altus", 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

Lethrinops sp. "Deep-water Altus" is an undescribed sand-dwelling cichlid recorded in Lake Malawi's South East Arm, named for its resemblance to the described species Lethrinops altus combined with a deeper depth range than that species typically occupies. It has no formal description, authority, or FishBase entry, and is one of several "deep-water" trade names applied within the genus to populations resembling shallower described species but recorded from greater depth.

Full Lethrinops sp. "Deep-water Altus" account →

Sources

  1. malawi.si — Lethrinops sp. "Deep-water Altus" "South East Arm"
  2. malawi.si — Lethrinops species database
  3. Cichlid Room Companion — Lethrinops genus profile
  4. Konings, A. — Malawi Cichlids in their Natural Habitat (Cichlid Press)
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