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Edit Kryptopterus cryptopterus

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Name

Scientific name

Kryptopterus cryptopterus

Described by

Authority Bleeker, Year 1851, Bracketed

Family

Siluridae

Common names

Blue Sheatfish

Photograph credits

All 1 credited

Summary

The blue sheatfish, Kryptopterus cryptopterus, is a silurid catfish from the Malay Peninsula, Singapore, Sumatra, Borneo and Java. It inhab…

Size and aquarium

Maximum size

147mm, standard length

Aquarium size

Minimum length 120 cm, Minimum depth 45 cm

Water

Water conditions

Temperature 20–27°C, pH 6–7.5

Hardness

2–15dGH

Conductivity

Not recorded

Behaviour

Temperament

Peaceful

Social needs

A shoal or group

Community suitability

Not for a community

Where it lives

Countries, regions, rivers and lakes

Indonesia, Malaysia, Singapore, Borneo, Java, Peninsular Malaysia, Sumatra, Baleh, Banyuasin, Baram, Batang Hari, Indragiri, Kapuas, Musi, Rajang, Sambas

Writing

Etymology

Kryptopterus: from the Greek kryptos, meaning 'hidden', and pterýgio, meaning 'fin', in reference to the reduced or absent dorsal-fin in members of this genus.…

Distribution

Known from the Malay Peninsula and Singapore plus Greater Sunda Islands of Sumatra, Borneo and Java with populati0ns from Thailand, Cambodia, Laos and Vietnam …

Habitat

Inhabits flowing rivers and larger streams typified by turbid water with a lot of suspended sediment.

Aquarium size

An aquarium with base dimensions of 120 ∗ 45 cm or equivalent should be the smallest considered.

Maintenance

Décor is relatively unimportant although this species prefers weakly-lit conditions and may become skittish in the absence of cover. Do not add introduce it to…

Water conditions

Not written yet

Diet

Probably a predator feeding on crustaceans, invertebrates and smaller fishes in nature, although there should be no need to use such live foods in captivity. O…

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Behaviour and compatibility

Generally peaceful though it may predate on smaller fishes and is somewhat timid so does not compete well with much larger, robust or otherwise boisterous spec…

Sexual dimorphism

Adult males are noticeably slimmer than females but additional information is contradictory with some sources stating that the posterior edge of the pectoral-f…

Reproduction

Unrecorded. In nature the closely-related congener K. geminus (see 'Notes') spawns at the onset of the wet season with young specimens common in seasonally-inu…

Notes

This species is sometimes traded as 'smokey glass catfish'. Its closest relative is K. geminus, populations of which were formerly considered to represent K. c…

References

References

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