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Homaloptera confuzona

Homaloptera confuzona

Fishes › Carp, barbs, minnows, loaches (Cypriniformes) › Balitoridae (Hillstream loaches)

Homaloptera confuzona is a species of hillstream loach in the genus Homaloptera found in Laos, Cambodia, Thailand and Vietnam.

Aquarium hobby
Experience: Advanced
Homaloptera confuzona
Photo: RatioTile, CC BY-SA 4.0, via Wikimedia Commons
FamilyHillstream loaches
Adult lengthup to 3.3 in
WaterFreshwater
HabitatLives in freshwater. Stays near the bottom

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 2.7 in / 6.8 cm).
  • Water: Freshwater.
  • Layout: Lives on or near the bottom: floor space and hiding places matter more than height.
  • Availability: Rarely or never seen in the aquarium trade; expect to source it from specialists or not at all.

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 47 × 12 in (roughly 29 US gallons); space needed is rated “large tank”.
  • Water: a fairly wide range, from slightly acidic to slightly alkaline, 68–78 °F, pH 6–7.5, 1–15 dGH.
  • Behaviour: a shoaling fish best kept in a group of six or more; not a community fish.
  • Difficulty: Moderate (Seriously Fish rating).

Short excerpts from the species profile:

  • Setup: “Most importantly the water must be clean and well-oxygenated so we suggest the use of an over-sized filter as a minimum requirement.”
  • Tankmates: “Not an aggressive fish although its particular requirements limit the choice of suitable tankmates.”
  • Breeding: “Presumably a seasonal spawner in nature but nothing has been recorded in aquaria.”

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

Group care guide

Hillstream loaches

Applies to most species in this group. Habitat: Balitora inhabit fast-flowing Asian hillstream riffles with rocky beds and abundant dissolved oxygen. [fg177-bal]. Individual species can differ, so compare with the species numbers above and the linked sources.

The water range is for B. brucei, not a verified range for every Balitora. Species-specific captive data for B. annamitica, B. burmanica, B. chipkali, B. eddsi, B. elongata, B. haithanhi and B. jalpalli are not supplied by these references. Older hillstream literature uses Balitoridae broadly and includes genera now placed elsewhere; its feeding and social observations must not be treated as equally proven for every current balitorid. Level 4 is an editorial assessment of specialized flow and oxygen requirements. [fg177-bal, fg177-river]

Housing & setup

  • Use a long river aquarium; the river-tank reference recommends at least 3 feet of length, rather than a species-tested minimum.
  • Provide strong directional current and vigorous aeration throughout the occupied area.
  • Supply smooth pebbles, boulders and numerous rocky refuges out of the main current.
  • Use bright lighting and an established aquarium with grazing growth on rocks.
  • For B. brucei, maintain pH 7.0–8.0 and medium hardness up to 12 dGH.

Sources 938939940

Climate & lighting

Water68–75°F

Sources 938939940

Diet

  • Algae and established rock biofilm.
  • Frozen bloodworms and mysis shrimp.
  • Pelleted foods.

Sources 938939940

Social life

  • Provide separate resting and feeding surfaces; hillstream keepers report competition for favored rocks, but a Balitora-specific group size is not established here.

Sources 938939940

Health watch

  • Oxygen deprivation, especially during overheating or inadequate aeration.
  • Poor condition from inadequate access to established grazing growth.
  • Skin disease with patchy coloration and loss of appetite; obtain a diagnosis rather than treating by appearance alone.

Sources 938939940

Understanding the animal

This species is part of a group that hobbyists, aviculturists or zoos keep widely (Hillstream loaches), so it's included for completeness. It may be rare in captivity itself, or not kept at all. Use the group guide as a starting point and look for species-specific advice from experienced keepers.
About this animal

About this animal

It lives in the lower Mekong drainage and coastal streams of Cambodia and eastern Thailand. Its maximum size is about 40 cm (16 in) SL. Homaloptera confuzona is eaten locally and it is occasionally bred in the aquarium fish trade.

Quoted from the Wikipedia article “Homaloptera confuzona” (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. Stays near the bottom.
Water it lives inFreshwater.
ClimateTropical climate.
  1. FishBase species summary: Homaloptera confuzona
Native climate (measured)

Native climate (measured)

Warm-season highsabout 91°F (up to 93°F in the hottest sampled areas)
Cool-season lowsabout 65°F (down to 48°F in the coldest sampled areas)
Average temperature63–81°F across sampled records
Relative humidity75–79% on average (driest month about 69%)
Rainfallabout 2286 mm a year, with strong wet and dry seasons

Measured at 7 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.

OverviewHomaloptera confuzona is a species of hillstream loach in the genus Homaloptera found in Laos, Cambodia, Thailand and Vietnam. It lives in the lower Mekong drainage and coastal streams of Cambodia and eastern Thailand. Its maximum size is about 40 cm SL. Homaloptera confuzona is eaten locally and it is occasionally bred in the aquarium fish trade. — Wikipedia (community-edited)
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

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 sources3in
FishBase 1642.7
Seriously Fish species profiles 1673.3

Maximum recorded length. Measured as standard length (snout to the base of the tail, not counting the tail fin). Fish in home aquariums often stay smaller than wild records.

Water temperature

Reported68–78°F
Seriously Fish species profiles 16768–78

Range the species tolerates; aim for the middle.

pH

Reported6–7.5
Seriously Fish species profiles 1676–7.5

Water hardness

Reported1–15dGH
Seriously Fish species profiles 1671–15

Minimum tank footprint

Reported47in
Seriously Fish species profiles 16747

Seriously Fish recommends a tank base of at least 47 × 12 in (about 29 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. Loaches Online: Balitora brucei Experienced keeper or breederAdded in the 2026 source-checked care-guide review.
  4. Loaches Online: Hillstream Loaches — The Specialists at Life In The Fast Lane Experienced keeper or breederAdded in the 2026 source-checked care-guide review.
  5. Merck Veterinary Manual: Disorders and Diseases of Fish Zoo, university or veterinaryAdded in the 2026 source-checked care-guide review.
  6. Wikipedia (species article) Community referenceFree encyclopedia; useful overviews with their own citations. Intro text is quoted under CC BY-SA 4.0.