GeneticOS
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Krabi mouth brooder betta

Betta simplex

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A wild betta endemic to Krabi province, Thailand, living in springs and streams of limestone areas with neutral to alkaline water — rare among bettas. The male mouthbroods the eggs. It is critically endangered.

Scientific name
Betta simplex
Family
Osphronemidae

Fact sheet

General

Water
Freshwater
Group
Fish

Taxonomy

Family
Osphronemidae
Order
Anabantiformes

Origin

Native region
Ásia

Water

Temperature
20–28 °C
pH
7–8
General hardness (GH)
3–12 °dGH

Size and lifespan

Adult size
6 cm
Minimum tank (volume)
54 L
Minimum tank (length)
60 cm

Behavior

Temperament
Aggressive
Social life
Pair
Swimming level
Middle

Care

Care difficulty
Moderate

Reproduction

Breeding strategy
Mouthbrooder

Conservation and trade

IUCN status
Critically endangered (CR)

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