Protomyzon Pachychilus (Panda Loach)-In store collection only

Protomyzon pachychilus - only available for instore collection

Common Name: Panda Loach
Origin: Southern China (Guangxi region)
Family: Gastromyzontidae

Product Highlights

• Striking black-and-white banded pattern reminiscent of a panda

• True hillstream loach adapted to fast-flowing, oxygen-rich water

• Peaceful and highly specialised algae and biofilm grazer

• Ideal for river-style aquascapes with smooth stones and strong flow

• Rarely aggressive and suitable for carefully planned community setups

Description

Protomyzon pachychilus, commonly known as the Panda Loach, is a distinctive hillstream loach species native to the cool, fast-flowing streams of southern China. Its flattened body and enlarged pectoral fins form a natural suction mechanism, allowing it to cling effortlessly to rocks and glass in high-current environments.

Unlike more commonly seen loaches, the Panda Loach exhibits bold, contrasting black and white banding rather than spots, making it instantly recognisable and highly sought after by enthusiasts of river biotopes. This species spends most of its time grazing on biofilm, algae, and microorganisms that develop on hard surfaces, making it both functional and visually fascinating.

Care Requirements

• Tank Size: Minimum 60 litres recommended

• Temperature: 18–24 °C

• pH Range: 6.5–7.5

• Water Hardness: Soft to moderately hard

• Flow: Strong, directional flow essential

• Oxygenation: High dissolved oxygen levels required

Stable water parameters and excellent water quality are critical. This species is sensitive to poor oxygenation and elevated temperatures.

Behaviour & Compatibility

• Peaceful and non-territorial

• Best kept in small groups of its own kind

• Compatible with other peaceful, current-loving species

• Avoid slow-moving or long-finned tank mates

• Does not bother plants or invertebrates

Panda Loaches are active during daylight hours and are constantly in motion, moving between stones and hardscape surfaces as they graze.

Feeding

• Natural algae and biofilm form the base of the diet

• Supplement with:

  • High-quality algae wafers

  • Spirulina-based foods

  • Blanched vegetables (spinach, zucchini)

  • Fine sinking foods for grazers

Regular feeding is important, especially in newer aquariums where natural biofilm may be limited.

Aquascaping & Usage Tips

• Best suited to river-style or stream aquascapes

• Use rounded river stones, cobbles, and smooth hardscape

• Strong flow created using powerheads or directional filters

• Fine sand or smooth gravel substrates preferred

• Allow surfaces to mature with natural biofilm growth

Heavily planted tanks are less important than hardscape and flow for this species.

Why Choose Protomyzon pachychilus?

• A true specialist species for advanced and dedicated aquarists

• Unique appearance rarely seen in standard community fish

• Adds authenticity and movement to river biotope setups

• Functional algae grazer without disturbing aquascapes

FAQs

Is the Panda Loach suitable for beginners?
This species is better suited to intermediate or advanced aquarists due to its specific flow and oxygen requirements.

Can it live in a standard planted aquarium?
Only if strong flow and high oxygenation are provided. River-style layouts are strongly recommended.

Is this species rare?
Yes. Protomyzon pachychilus is uncommon in the trade and is usually imported intentionally rather than incidentally.