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Species profile

Armoured Stickleback

Indostomus paradoxus

Common names: Armoured Stickleback, Pipe Fish

Recognized speciesOddballs

Adult size

Up to 3 cm

Up to 3 cm

Countries of origin

  • See all stock from Myanmar

Good fit for your tank?

Good fit for

  • A small, well-kept nano tank

Think carefully if

  • You only want to keep one or two, because this fish needs a group of 5 or more

A tiny, armoured, stick-like fish from Myanmar, with its body covered in bony plates. Keep a group of at least 5 in 16 litres or more.

Appearance and Identification

A tiny, armoured, stick-like fish from Myanmar, with its body covered in bony plates. It lives in small groups and takes only tiny live foods, and it is rare.

Check the scientific name when buying, as common names vary between sellers and countries.

Males are far more colourful, with larger fins. Females are usually plain.

Tank Requirements

Suggested filter
About 30–50 litres an hour
Suggested heater
About 25–50 W for this tank
Minimum tank volume
16 litres
Minimum tank length
40 cm
Minimum group size
5
Recommended group size
8
Activity level
Moderate
Flow preference
Low
Planting preference
Heavily planted
Hiding places
Yes
Lid recommended
Yes
Jumping risk
Moderate

A small, dark, densely planted tank with a tight lid suits most killifish, as they are strong jumpers. Filtration should be gentle.

Behaviour and Tankmates

A jewel-like small fish, with males displaying to rivals and to females.

Often kept as one male with several females, because males can fight.

Males can be quarrelsome with each other.

Best in a species tank, or with small, peaceful fish. Avoid fin nippers. It may eat baby shrimp. Choose its tankmates with care.

Check tankmates for this species

Water Parameters

Temperature
22–27 °C
pH
6.5–7.5
GH
2–12
Stability importance
Important

Keep the pH steady, because this fish is sensitive to swings.

Parameter caveat
Keep up regular water changes, and acclimatise new fish slowly.

Feeding

Diet types
Carnivore, Insectivore
Feeding frequency
Daily
Preferred foods
  • Small live foodsMany killifish prefer these and may ignore dried food.
  • Frozen bloodworm and brine shrimpA good everyday alternative.

Prefers small live and frozen foods.

Feed small amounts, and remove anything left after a few minutes.

Breeding

Breeding type
Cave Spawner
Breeding difficulty
Moderate
Parental care
Variable
Baby foods
  • Newly hatched brine shrimpThe fry can usually take this from the start.
  • Crushed flakeA simple addition as they grow.

Spawns inside a cave, and one parent guards the eggs and young. Provide a suitable cave for each pair.

Habitat and Origin

Geographic origin
Myanmar, Southeast Asia
Natural habitat
River
Aquarium contexts
Nano Aquarium, Planted Aquarium
Audience level
Intermediate

Classification

Profile type
Recognized species
Genus
Indostomus
Family
Indostomidae
Species group
Fish, Oddballs

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