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Species profile

False Bandit Corydoras

Hoplisoma melini

Common names: False Bandit Corydoras, Melini Corydoras, False Bandit Cory

Recognized speciesCorydoras
False Bandit Corydoras (Hoplisoma melini)

Adult size

Up to 5.5 cm

Typical adult length 4–5.5 cm.

Up to 5.5 cm

Countries of origin

  • See all stock from Brazil
  • See all stock from Colombia

Good fit for your tank?

Good fit for

  • A shaded peaceful community with a sandy floor
  • A keeper interested in correctly identified masked corys
  • A patient group-breeding project

Think carefully if

  • The fish may be sold interchangeably with Hoplisoma metae
  • The aquarium is bright or lacks cover
  • Competitive bottom fish may prevent adequate feeding

False Bandit Corydoras is a peaceful South American callichthyid catfish recognised by a dark diagonal band running from the dorsal region toward the lower caudal peduncle, behind a pale head. It should be kept in a same-species group over fine sand in clean, oxygen-rich freshwater.

Appearance and Identification

The False Bandit Corydoras has a pale body, a dark eye mask and a black band that runs diagonally from beneath the dorsal fin toward the lower tail base. Unlike the Bandit Cory, the rear band generally continues into the lower lobe of the tail.

Identify this profile by the combination of a dark diagonal band running from the dorsal region toward the lower caudal peduncle, behind a pale head. Older sources commonly list this fish as Corydoras melini; the current profile follows the accepted or revised placement Hoplisoma melini. Colour alone can be unreliable in stressed, juvenile, or poorly conditioned fish, so body shape, snout length, fin pattern, and provenance should also be checked.

Mature females are usually larger and broader through the abdomen, especially when viewed from above, while males tend to remain slimmer. Juveniles are difficult to sex, and body shape is more dependable than fin shape or colour.

Tank Requirements

Suggested filter
About 300–380 litres an hour
Suggested heater
About 75–125 W for this tank
Minimum tank volume
75 litres
Minimum tank length
75 cm
Minimum group size
6
Recommended group size
8
Activity level
Moderate
Flow preference
Moderate
Planting preference
Moderately planted
Hiding places
Yes
Lid recommended
Yes
Jumping risk
Low

Keep a settled group over fine sand in a mature aquarium with excellent filtration, high oxygen levels, shaded retreats and open feeding areas. Avoid abrupt changes, dirty substrate and sharp gravel, and leave clear access to the surface for normal air-gulping behaviour.

Behaviour and Tankmates

A peaceful shoaling catfish that may remain reserved in a small group or brightly lit, exposed tank. Once settled with enough companions and cover, it becomes an active bottom forager and joins regular group movements.

Keep at least 6 of the same species or coded population, with 8 or more preferred where space permits. A mixed collection of single corys does not fully replace a proper same-species group.

It is not territorial. Males may briefly chase one another or follow females during courtship, but sustained aggression is unusual when the group has adequate floor space.

Choose calm, non-aggressive tank mates that tolerate the same clean, oxygen-rich conditions and allow food to reach the bottom. Avoid boisterous cichlids, large predators and fast bottom feeders that can intimidate or outcompete the group.

Check tankmates for this species

Water Parameters

Temperature
22–27 °C
pH
4.8–7
GH
0–8
KH
0–4
TDS
20–150
Stability importance
Critical

Soft, mildly acidic water best reflects the natural habitat and usually gives the most reliable breeding results. Stable clean water is more important than forcing an exact pH.

Parameter caveat
Acclimate slowly to changes in temperature, pH, and conductivity. Corydoradine catfish periodically gulp atmospheric air, so the water surface must remain accessible. Warm water holds less oxygen and requires stronger aeration.

Feeding

Diet types
Insectivore, Omnivore, Scavenger
Feeding frequency
Daily
Preferred foods
  • Quality sinking catfish pelletUse a small sinking pellet or wafer as a staple. Feed enough for every fish to reach food after faster midwater fish have eaten.
  • Frozen or live daphnia and cyclopsSmall crustacean prey supports natural foraging and is useful for conditioning breeding groups.
  • Frozen bloodworm, black mosquito larvae, or tubifexOffer clean, appropriately sized portions in rotation rather than as the only food.
  • Soft vegetable-based waferProvides dietary variety, although these catfish are not algae-eating cleanup animals and still require protein-rich food.

Feed a varied sinking diet based on quality catfish pellets or wafers, supported by small frozen or live foods and occasional plant-based ingredients. Deliver food directly to the group and check that every fish eats instead of expecting it to survive on scraps.

Feed after faster surface and midwater fish have taken their share, and confirm that every individual reaches food. Use small portions once or twice daily, remove persistent leftovers, and vary prepared and frozen or live foods.

Breeding

Breeding type
Egg Layer
Breeding difficulty
Difficult
Breeding temperature
24 °C
Breeding pH
6
Brood or egg count
Usually 40 to 150 adhesive eggs.
Incubation
4 days
Parental care
None
Baby foods
  • Newly hatched brine shrimpA primary growth food after fry have absorbed the yolk sac; feed small rinsed portions several times daily.
  • MicrowormsUseful for newly feeding fry that remain close to the substrate.
  • Vinegar eels or cultured infusoriaHelpful for the smallest species and uneven broods during the first feeding stage.
  • Fine powdered fry foodUse sparingly as a supplement and siphon uneaten material to protect water quality.

Captive spawning is reported less often than for common corys. A well-conditioned group, excellent water quality and seasonal-style changes may help, but egg production and fry survival can be inconsistent; the adults do not provide parental care.

Habitat and Origin

Geographic origin
Amazon Basin, Brazil, Colombia, South America
Natural habitat
Freshwater River, Freshwater Stream, Sand/Mud Substrate
Aquarium contexts
Breeding Aquarium, Freshwater Aquarium, Freshwater Community, Planted Aquarium
Audience level
Advanced

Classification

Profile type
Recognized species
Genus
Hoplisoma
Family
Callichthyidae
Species group
Corydoras, Fish
Previous scientific names
Corydoras melini, Name supplied in older aquarium literature or trade usage. The current profile uses Hoplisoma melini under the revised Corydoradinae classification.

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