Edit Gastromyzon introrsus
You can suggest changes to this profile. A moderator will review each change.
Name
Scientific name
Gastromyzon introrsus
Described by
Authority Tan, Year 2006
Family
Gastromyzontidae
Common names
Not recorded
Photograph credits
All 2 credited
Summary
Gastromyzon introrsus is a hillstream loach known only from the Padas and Labuk basins, draining the eastern Crocker Range in Sabah, Malays…
Size and aquarium
Maximum size
95mm, standard length
Aquarium size
Minimum length 120 cm, Minimum depth 30 cm, Water movement High: fast-flowing river or riffle
Water
Water conditions
Temperature 20–24°C, pH 6–8
Hardness
2–12dGH
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
Malaysia, Borneo, Agudon, Labuk, Padas, Pamilan
Writing
Etymology
Gastromyzon: from the Greek gaster, meaning 'stomach' and myzo, meaning 'to suckle'. introrsus: from the Latin adjective introrsus, meaning inward or toward th…
Distribution
Known only from the Padas and Labuk river basins which drain the eastern slopes of the Crocker Mountain Range, western Sabah state, Malaysian Borneo. Type loca…
Habitat
Gastromyzon spp. are obligate dwellers of swift, shallow streams containing clear, oxygen-saturated water and have been recorded from sea level to 1350 m amsl …
Aquarium size
An aquarium with base dimensions of 120 ∗ 30 cm or equivalent is large enough to house a small group.
Maintenance
Most importantly the water must be clean and well-oxygenated so we suggest the use of an over-sized filter as a minimum requirement. Turnover should ideally be…
Water conditions
Temperature: For general care 20 – 24 °C is recommended but it can withstand warmer conditions provided dissolved oxygen levels are maintained. At the locality…
Diet
Much of the natural diet is likely to be composed of benthic algae plus associated micro-organisms which are rasped from solid surfaces. In captivity it will a…
Behaviour and compatibility
Very peaceful although its environmental requirements limit the selection of suitable tankmates somewhat, plus it should not be housed with any much larger, mo…
Sexual dimorphism
Unreported but in congeners observed over time in aquaria adult females are noticeably heavier-bodied and often a little larger than males; the differences bei…
Reproduction
Has not been bred in aquaria and the only observations we know of for any member of the genus were made by German aquarist Philipp Dickmann and published in a …
Notes
This species has probably not been seen in the aquarium trade yet but is occasionally maintained by private collectors. It can be distinguished from congeners …
References
References
8 on this profile