Edit Betta foerschi

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Name

Scientific name

Betta foerschi

Described by

Authority Vierke, Year 1979

Family

Osphronemidae

Common names

Not recorded

Photograph credits

All 3 credited

Summary

Betta foerschi is a paternal mouthbrooding labyrinth fish from a handful of localities in Central and West Kalimantan, Indonesian Borneo. I…

Size and aquarium

Maximum size

50mm, standard length

Aquarium size

Minimum length 60 cm, Minimum depth 30 cm, Water movement Low: still or sluggish water

Water

Water conditions

Temperature 22–28°C, pH 4–6

Hardness

1–5dGH

Conductivity

Not recorded

Behaviour

Temperament

Species tank only

Community suitability

Not for a community

Where it lives

Countries, regions, rivers and lakes

Indonesia, Borneo, Mentaya

Writing

Etymology

Betta: from ikan betah, the vernacular Malay for species of this genus. foerschi: named for Dr. Walter Foersch who co-collected the type series.

Distribution

Known from a handful of localities in Kalimantan Tengah (Central Kalimantan) province, and around the settlement of Kubu in Kalimantan Barat (Western Kalimanta…

Habitat

Typically inhabits forest swamp streams and pools, some of which have been measured at just a few centimetres deep. These are usually shaded from the sun, the …

Typically inhabits forest swamp streams and pools, some of which have been measured at just a few centimetres deep. These are usually shaded from the sun, the dense canopy of branches above meaning very little light penetrates the water surface.

Marginal vegetation also tends to grow thickly. The water itself is often stained with humic acids and other chemicals released by decaying organic material. The dissolved mineral content is negligible, pH low, and substrate composed mainly of fallen leaves, branches, and submerged tree roots.

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Where does this come from?

My own experienceFor example, I've kept twelve in a planted 60 cm tank since March 2024.A website I sawFor example, an IUCN Red List assessment, a museum catalogue or a FishBase page.A paperFor example, Marshall et al. (2011), Water temperature differences in interfluvial palm swamp habitats of Paracheirodon axelrodi and P. simulans.A book, or something not onlineFor example, Tappin (2010), Rainbowfishes: their care and keeping in captivity.Something already on the pageFor example, the Behaviour and compatibility section already says this.

Web address

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DOI

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Title

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Authors

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Year

Journal or publisher

Pages

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Anything worth adding

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Aquarium size

An aquarium with base measurements of 60 ∗ 30 cm or equivalent is sufficient for a single pair.

Maintenance

Can be maintained in a fully-decorated aquarium although many breeders prefer not to use a substrate for ease of maintenance. Driftwood roots and branches can …

Water conditions

Not written yet

Diet

Likely to prey on aquatic and terrestrial invertebrates in nature. Captive fish will normally accept dried products once they are recognised as edible, but sho…

Behaviour and compatibility

Not recommended for the standard community aquarium. Its care requirements and disposition mean it is best kept alone or with very peaceful species. Some small…

Sexual dimorphism

Males are more colourful than females, and develop extended unpaired fins. The opercular bars are usually orange-red and more well-defined in males, golden-yel…

Reproduction

Paternal mouthbrooder. Ideally organise a separate aquarium for breeding purposes, unless the fish are already being maintained alone. The aquarium should have…

Notes

In the aquarium hobby, populations from different localities are often labelled as such by collectors and enthusiasts in order to maintain accuracy and preserv…

References

6 on this profile

Name

Scientific name

Described by

Family

Common names

Photograph credits

Summary

Size and aquarium

Maximum size

Aquarium size

Water

Water conditions

Hardness

Conductivity

Behaviour

Temperament

Social needs

Community suitability

Where it lives

Countries, regions, rivers and lakes

Writing

Etymology

Distribution

Habitat

Aquarium size

Maintenance

Water conditions

Diet

Behaviour and compatibility

Sexual dimorphism

Reproduction

Notes

References

References