Changting Hillstream Loach(Pseudogastromyzon changtingensis)

Pseudogastromyzon Changtingensis is a species of hillstream loach in the family Balitoridae, native to southern China. This species is adapted to fast-flowing, oxygen-rich streams, where it thrives on rocky substrates. Its natural habitat and behaviors are similar to other members of the genus Pseudogastromyzon.

Taxonomy and Distribution:
Scientific Name: Pseudogastromyzon changtingensis
Family: Balitoridae
Distribution: Found primarily in freshwater streams in Changting County, Fujian Province, China, which is reflected in its scientific name.
Physical Characteristics:
Size: Typically reaches about 5–6.5 cm (2–2.5 inches) in length.
Body Shape: Flat and streamlined body designed for clinging to rocks in swift currents.
Coloration: Features a mottled pattern of browns, greens, and grays, with distinct dark markings on its fins and body. These patterns help it blend into rocky environments.
Mouth: Suction-cup-like mouth that enables it to attach to surfaces and scrape algae.
Habitat:
Environment: Inhabits clean, fast-flowing streams and rivers with a high oxygen content.
Substrate: Prefers rocky or pebbly substrates where biofilm and algae grow.
Temperature: Cooler waters, typically between 18–24°C (64–75°F).
Diet:
Primarily algivorous, feeding on algae and biofilm in the wild.
In captivity, it readily accepts algae wafers, spirulina, and fresh vegetables such as zucchini and cucumber.
Aquarium Care:
Tank Setup:
A river-style tank with strong water currents is essential.
Include smooth rocks and driftwood to mimic its natural environment and provide hiding spots.
Water Parameters:
pH: 6.5–7.5
Temperature: 18–24°C (64–75°F)
Ensure excellent filtration for clean and oxygen-rich water.
Behavior:
A peaceful species, best kept in small groups of 4–6 to reduce stress and encourage natural behavior.
Compatible with other small, non-aggressive fish.
Conservation and Availability:
Conservation: Not extensively studied, but like many stream-dwelling species, it could be vulnerable to habitat degradation, such as pollution or changes in water flow.
Aquarium Trade: Less commonly seen in the aquarium trade compared to its relative, Pseudogastromyzon cheni, but occasionally available to dedicated hobbyists.
This fish is prized among aquarists who appreciate its unique adaptations and its role as a natural algae cleaner. Replicating its natural habitat is key to its well-being in captivity.