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Blunt-headed Telmat

Telmatochromis vittatus

Fishes › Cichlids (Cichliformes) › Cichlidae (Cichlids)

Telmatochromis vittatus is a species of cichlid endemic to Lake Tanganyika usually at depths of from 5 to 10 metres (16 to 33 ft) but occasionally down to 20 metres (66 ft).

Aquarium hobby
Experience: Intermediate
Blunt-headed Telmat
Photo: Eretmodus, Public domain, via Wikimedia Commons
FamilyCichlids
Adult lengthup to 3.4 in
WaterFreshwater
HabitatLives in freshwater

Care at a glance

Species-specific aquarium care

  • Tank: At least 24 in long and 12 in front to back for one adult (adults commonly reach about 3.4 in / 8.6 cm).
  • Water: Freshwater.
  • Temperature: 75–79°F (range recorded for this species).
  • pH: 8.5–9.
  • Hardness: 10–20 dGH.
  • Layout: Uses both the bottom and open water: give open swimming space plus cover near the substrate.
  • Diet: FishBase classes it as a herbivore.

Calculated from this species' own FishBase record: tank size from its typical adult length and swimming zone, water values from its recorded ranges. The group guide below fills in general care.

Care guide

Species care notes

  • Tank: a base of at least 30 × 12 in (roughly 18 US gallons); space needed is rated “modest tank”.
  • Water: hard, alkaline water, 73–81 °F, pH 8–9.5, 8–25 dGH.
  • Behaviour: temperament territorial; in a pair.
  • Difficulty: Moderate (Seriously Fish rating).

Short excerpts from the species profile:

  • Setup: “Should be housed in a Lake Tanganyika biotope setup, with piles of rocks arranged to form caves filling much of the aquarium.”
  • Diet: “Live and frozen foods should comprise a large proportion of the diet.”
  • Tankmates: “A territorial but shy species.”

From the Seriously Fish profile for this species, which has the full habitat, maintenance, diet, behaviour and breeding write-up 167

Group care guide

Lake Tanganyika cichlids

Applies to most species in this group. Habitat: Rocky reefs, shell beds and sand of Lake Tanganyika. Individual species can differ, so compare with the species numbers above and the linked sources.

Housing & setup

  • Use species-specific alkaline-water parameters and stable, well-oxygenated conditions. For N. multifasciatus, Seriously Fish gives pH 7.5–9.0 and general hardness 8–25 dGH.
  • Shell-dwellers need beds of empty snail shells; rock-dwellers like Julidochromis need stacked rockwork; Tropheus need large groups and spacious tanks.

Sources 117119164118256273

Climate & lighting

Water76–81°F

Sources 117119164118256273

Diet

  • Tropheus moorii needs a vegetable-based staple with small suitable live/frozen supplements. Other Tanganyikans need their own feeding plan; shell-dweller and predator diets differ.

Sources 117119164118256273

Social life

  • Often pair- or colony-forming and territorial; research each genus.

Sources 117119164118256273

Health watch

  • Tropheus are prone to bloat on rich foods; sudden water changes stress Tanganyikans.

Sources 117119164118256273

Understanding the animal

About this animal

About this animal

This species can reach a length of 8.6 centimetres (3.4 in) TL. It can also be found in the aquarium trade.

Quoted from the Wikipedia article “Telmatochromis vittatus” (CC BY-SA 4.0) 174

In the wild

In the wild

From this species’ own FishBase record (habitat, bottom type, water and breeding data), not its family. Good care copies these conditions.1

Where it livesLives in freshwater, in lakes. Uses both the bottom and open water. Lives in rather deep water for such small species, specimens having been found as deep as 20 m, although they seem to prefer a range between 5 and 10 m. Swims in the open. Omnivorous, feeds on microorganisms.
Ground it lives onOver rock.
Water it lives inFreshwater, 75–79 °F (24–26 °C), pH 8.5–9, hardness 10–20 dH.
ClimateTropical climate.
Behavior to plan forBreeding: clutch tenders.

What this means for care

  • Keep water within its wild range, 75–79 °F.
  • Provide rockwork with crevices to hide in.
  1. FishBase species summary: Telmatochromis vittatus
Native climate (measured)

Native climate (measured)

Warm-season highsabout 89°F (up to 91°F in the hottest sampled areas)
Cool-season lowsabout 61°F (down to 51°F in the coldest sampled areas)
Average temperature69–81°F across sampled records
Relative humidity54–60% on average (driest month about 45%)
Rainfallabout 984 mm a year, with strong wet and dry seasons

Measured at 14 wild occurrence records sampled against WorldClim 2.1 climate data (1970–2000 averages). Air conditions in the range are ecological context, not enclosure settings: microhabitats such as burrows, leaf litter or basking rocks can be cooler, warmer or more humid.

From the sources

From the sources

Quoted from the matching sections of reputable sources for this exact species. Specialist databases are used first; Wikipedia (community-edited, CC BY-SA 4.0) only fills gaps. Other sources are short credited quotes.

Where it livesHome ranges Population dynamics Growth parameters Max. ages / sizes Length-weight rel. Length-frequencies Mass conversion Recruitment Abundance Life cycle Reproduction Maturity Maturity/Gills rel. — FishBase
BiologyLives in rather deep water for such small species, specimens having been found as deep as 20 m, although they seem to prefer a range between 5 and 10 m. Omnivorous, feeds on microorganisms. Usually solitary but form temporary pair bonds; the male defends the territory while the female takes care of her offspring. — FishBase

Data and studies

The numbers

The numbers

Each bar is what one source reports. Where several sources weigh in, the dashed gold band marks their average.

Adult length

Average of sources3.3in
FishBase 1643.4
Seriously Fish species profiles 1673.3

Maximum recorded length. Measured as total length. Fish in home aquariums often stay smaller than wild records.

Water temperature

Average of sources74–80°F
FishBase 16475–79
Seriously Fish species profiles 16773–81

Range the species tolerates in nature; aim for the middle.

pH

Average of sources8.2–9.2
FishBase 1648.5–9
Seriously Fish species profiles 1678–9.5

Water hardness

Average of sources9–22.5dGH
FishBase 16410–20
Seriously Fish species profiles 1678–25

Minimum tank footprint

Reported30in
Seriously Fish species profiles 16730

Seriously Fish recommends a tank base of at least 30 × 12 in (about 18 US gallons).

Sources for this sheet

  1. FishBase (Froese & Pauly, eds.), version 24.07 Peer-reviewed researchThe global scientific database on fishes, maintained by a consortium of research institutions; every value is referenced.
  2. Seriously Fish species profiles Experienced keeper or breederLong-running aquarium reference written and peer-checked by experienced fishkeepers and ichthyologists; each profile covers habitat, tank size, water, diet, behaviour and breeding.
  3. Merck Veterinary Manual: Management of aquarium fish Zoo, university or veterinaryThe Merck Veterinary Manual: a standard veterinary reference written and reviewed by veterinary specialists.
  4. Merck Veterinary Manual: Types and features of aquatic systems Zoo, university or veterinaryThe Merck Veterinary Manual: a standard veterinary reference written and reviewed by veterinary specialists.
  5. Merck Veterinary Manual: Nutritional diseases of fish Zoo, university or veterinaryThe Merck Veterinary Manual: a standard veterinary reference written and reviewed by veterinary specialists.
  6. Seriously Fish — Neolamprologus multifasciatus Zoo, university or veterinaryAdded in the 2026 source-checked care-guide review.
  7. Seriously Fish — Tropheus moorii Zoo, university or veterinaryAdded in the 2026 source-checked care-guide review.
  8. Wikipedia (species article) Community referenceFree encyclopedia; useful overviews with their own citations. Intro text is quoted under CC BY-SA 4.0.
  9. iNaturalist (captive observations) Community referenceCommunity observation platform run by the California Academy of Sciences and National Geographic; observations marked captive show animals living in homes, zoos and aquariums.