Labidochromis sp. "Hora"

Labidochromis sp. "Hora" (Mbowe Island)

3 cited sources

CARESNOT LISTED
Genus type speciesLabidochromis vellicansTrewavas 1935
Scientific size3.5 in9 cm total length
Temperature75–82 °F24–28 °C
pH7.7–8.6alkaline
Depth10–66 ft3–20 m
DietRock-associated aufwuchs grazer or invertebrate picker (genus-typical; exact mode not documented for this form)
BreedingMaternal mouthbrooder (presumed, genus-typical)Not documented for this form; genus-typical broods run to a few dozen eggs
Sexual dimorphismMinimalColour and dimorphism not documented for this form in the sources available; not fabricated here pending a published field account.
PhotographsSee photosGoogle Images →

Water attributes — Lake Malawi

About Mbowe Island →

Where this fish is found in the wild — the water body's own measured chemistry and character, not aquarium care advice. Temperature is satellite-measured near this collection point; chemistry is the lake's own.

Surface temp76–82 °FApr–Nov · coolest Augsatellite 1995–2023, within 10 km
pH8.2–8.6alkaline
Hardnessmoderately soft79 ppm
Clarity (Secchi)66 ft20 m
Water characterRift lake →MeromicticExploreLake Malawi →700–1,000+ cichlid species
74°77°80°83°Jan: too few clear satellite days (0)–JFeb: too few clear satellite days (2)–FMar: too few clear satellite days (1)–MApr: 82 °F mean (80 °F–83 °F), 11 clear satellite daysAMay: 80 °F mean (78 °F–81 °F), 54 clear satellite daysMJun: 78 °F mean (77 °F–79 °F), 127 clear satellite daysJJul: 76 °F mean (75 °F–77 °F), 142 clear satellite daysJAug: 76 °F mean (75 °F–77 °F), 201 clear satellite daysASep: 77 °F mean (76 °F–78 °F), 185 clear satellite daysSOct: 79 °F mean (77 °F–81 °F), 108 clear satellite daysONov: 81 °F mean (79 °F–83 °F), 50 clear satellite daysNDec: too few clear satellite days (2)–D
Surface temperature by month near Mbowe Island — 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).

For the aquarist

Replicate this biotopei

Target water

Temperature75.2–82.4 °F
pH7.7–8.6alkaline

Recommended tank

Standard aquarium40-gallon breeder36 × 18 × 17 in · 40 gal (151 L)

Aquascape & setup

Moderately soft, alkaline, well-buffered water, as the cited chemistry of Lake Malawi describes it — stability matters more than chasing a single number.

Build the hardscape first: stacked rock with caves, crevices and sight-lines breaks up territories the way a rocky shoreline does in the wild. Open swimming room, bright light and strong, well-oxygenated flow round it out. A fine sand bed reads as natural and is kind to digging mouths.

Labidochromis sp. "Hora" is an undescribed rock-dwelling cichlid recorded from Mbowe Island on Lake Malawi, an island already documented in the atlas for several other mbuna, including a locality form of Labidochromis caeruleus. It carries no authority, no year, and no FishBase entry, and the origin of its trade name “Hora” is not established in the sources consulted for this article.

What's in the name

Labidochromis sp. "Hora" — lab-ih-doh-KROH-miss, form "HOR-ah"

Descriptive nameA descriptive epithet — neither an eponym nor a place name.
Labidochromis
  • labisGreek — forceps or grasping tool, referring to the genus's specialised outer teeth
  • chromisGreek — a name applied to various cichlid-like fishes
"Hora"
  • Horainformal (trade name) — an informal collector's tag whose specific origin is not documented in the sources consulted for this article. As an undescribed form it has no formal species name.

Taxonomy & naming

Labidochromis sp. "Hora" has never been formally described: it has no authority, no year of publication, and no FishBase entry. It is known only by the trade name “Hora,” following the standard convention of naming undescribed Malawi cichlids for genus, "sp.", and a distinguishing tag in quotation marks; unlike several of the genus’s other undescribed forms, its tag does not obviously reference a place name or a described relative, and this article does not speculate on an origin it cannot verify. Its only recorded locality, Mbowe Island, already carries entries for several other rock-dwelling cichlids in the atlas, including Labidochromis caeruleus, so “Hora” shares its habitat with at least one confirmed congener there. It should be treated as its own undescribed population, not assumed identical to any other Labidochromis trade form.

Morphology

Labidochromis is united more by jaw structure than by a single body plan: its outer teeth are closely packed and forceps-like, used variously for rasping aufwuchs from rock or picking small invertebrates from crevices, and species range from robust, short-jawed grazers to slender, elongate pickers. No description of “Hora” has been published to place it on that spectrum, and no measurements or colour account specific to this form are available. Rather than guess at a pattern, it is presented here as a genus-typical Labidochromis of moderate size pending a proper field account.

Habitat

Labidochromis sp. “Hora” is recorded from Mbowe Island on Lake Malawi, a rocky island already documented for a range of mbuna, indicating a typical boulder-and-crevice rock habitat. Labidochromis as a genus is broadly a rock-dweller, occupying crevices, boulder piles, and cave systems across a wide depth range depending on species. No depth or micro-habitat data specific to this form have been published, so the ranges given here reflect the genus-typical rocky-reef envelope. Water conditions follow Lake Malawi’s standard inshore rocky-habitat profile: warm, alkaline, and well-buffered. Depth in particular tends to correlate with predation pressure and light penetration in Lake Malawi's rocky habitats, both of which shape which Labidochromis ecotype — grazer or picker — dominates a given rock face, though no site-specific study exists for this population.

Feeding

Because Labidochromis spans both algae-grazing and invertebrate-picking feeding modes depending on species, and no dedicated study exists for “Hora,” its exact diet cannot be stated with confidence. Rock-dwelling Labidochromis in general either rasp aufwuchs from submerged stone or work fine gaps between rocks for small crustaceans and insect larvae, and several species do both opportunistically. Until a specific feeding account is published, it is presented here as a genus-typical rock-associated micro-invertivore or aufwuchs grazer. The relative balance between grazing and picking in this population cannot be inferred from its trade name alone, unlike the genus's gigas- or lividus-affiliated forms, and would require a dedicated field study to resolve.

Mating

No dedicated study of courtship or territoriality exists for Labidochromis sp. “Hora.” Rock-dwelling Labidochromis generally follow the wider Lake Malawi cichlid pattern: males hold and defend small territories among boulders or crevices, with no lasting pair bond, and females move between territories to select a mate. Whether this form’s males hold open rock or a crevice site, and the specific details of display and courtship, have not been documented. As in most rock-dwelling Labidochromis, courtship is expected to involve a quivering display from a territorial male directed at a visiting female, but no such observation has been recorded for this specific population.

Breeding

As with every Lake Malawi cichlid, Labidochromis sp. “Hora” is presumed to be a maternal mouthbrooder: a female takes fertilised eggs into her mouth and incubates them for several weeks before releasing free-swimming fry, with no further parental role from the male. No clutch size, brood duration, or other reproductive detail specific to this form has been published; genus-typical Labidochromis broods run to a few dozen eggs, offered here only as a general expectation. Across the genus generally, brooding runs roughly three to four weeks before fry are released able to feed independently, with clutch size loosely scaling with female body size.

In the aquarium

Labidochromis sp. “Hora” is a rarely traded, specialist form rather than a mainstream aquarium fish; most hobbyists encountering Labidochromis meet the widely available Labidochromis caeruleus long before a locality-specific undescribed form like this one. A keeper who did obtain it should provide a standard rocky-reef Lake Malawi setup: substantial rockwork with caves and crevices, fine sand substrate, and alkaline, well-buffered water in the range of roughly 75–82 °F and pH 7.7–8.6. Given the genus’s mixed feeding strategies, a varied diet offering both plant-based flake and small meaty foods is a sensible default. No species-specific husbandry record for “Hora” exists.

Conservation

Labidochromis sp. “Hora” has no IUCN Red List assessment, because formal evaluation requires a validly published scientific name, and none exists for this form. As a rock-associated cichlid recorded from a single island locality, it shares the general exposures documented across Lake Malawi’s rocky-habitat endemics — localised habitat pressure and ornamental collecting — but no population-specific data exist to characterise its status with any more precision than that. More broadly, Lake Malawi's rocky-shore cichlid communities face cumulative pressure from shoreline deforestation and the resulting sedimentation, plus steady demand from the aquarium trade for newly named, narrow-range forms exactly like this one — pressures well documented for the lake as a whole even where no population-specific study exists.

Common questions

Labidochromis sp. "Hora": how big does it get?
Up to 3.5 in total length (TL).
Labidochromis sp. "Hora": what water temperature does it need?
The atlas records 75–82 °F for this species.
Labidochromis sp. "Hora": what water chemistry suits it?
pH 7.7–8.6.
Labidochromis sp. "Hora": where does it come from?
It is recorded from Malawi.

In a guide: Lake Malawi mbuna

On a list: Hard and alkaline water fish

Biotope tank mates

Atlas fish recorded from the same waters, whose recorded temperature and pH ranges overlap this one’s and whose adults are within twice its size. A shortlist to research, not a stocking plan: temperament, territory and diet are not checked. Other genera only, since cichlids of one genus can hybridise in captivity.

Sources

  1. malawi.si — Labidochromis species and locality database
  2. Cichlid Room Companion — Labidochromis genus overview (Ad Konings, curator)
  3. Konings, A. — Malawi Cichlids in their Natural Habitat (Cichlid Press; Labidochromis biology and Mbowe Island locality forms)

Last reviewed 2026-07-23.

How to cite

Aquarist Atlas (2026). Labidochromis sp. "Hora". Aquarist Atlas. https://www.aquaristatlas.com/species/labidochromis-sp-hora/

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Where it has been recorded

1 georeferenced records (GBIF). Each point is a field observation or museum specimen — pan and zoom to explore where this species turns up. The coordinates come straight from GBIF and are often rounded or tied to the nearest town or river landing, so a dot can sit just beside the actual water rather than in it; the fish aren't on dry land.

Literature occurrence: 1
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