Red Spot Hillstream Loach - (Erromyzon sp. 'ER02')

🐟 Red Spot Hillstream Loach – (Erromyzon sp. 'ER02') – Rare Freshwater River Loach for Sale

The Red Spot Hillstream Loach (Erromyzon sp. 'ER02') is a unique and beautifully patterned freshwater loach from fast-flowing streams in Asia. Its flattened, disc-like body is adapted for clinging to rocks in strong currents, while its distinctive red spotting makes it a highly desirable species for hillstream biotope aquariums.

These loaches are peaceful, algae-grazing bottom dwellers that thrive in well-oxygenated, cool-water setups with plenty of smooth rocks and strong water movement.

🔎 Quick Facts – Red Spot Hillstream Loach (Erromyzon sp. 'ER02')

• 📛 Common Names: Red Spot Hillstream Loach
• 🔬 Scientific Name: Erromyzon sp. 'ER02'
• 🌍 Origin: Asia – fast-flowing streams and rivers
• 🎨 Appearance: Flattened body, mottled brown base color with distinctive red spotting
• 📏 Max Size: 2–3 inches (5–7.5 cm)
• 💎 Availability: Rare in the aquarium trade; usually wild-caught

😇 Behavior & Temperament

• 🤝 Peaceful, excellent for community tanks with other small, non-aggressive species
• 🪵 Best kept in groups of 3+ for natural behavior
• 🐟 Active during the day, often seen grazing on surfaces
• ⚠️ Sensitive to poor water quality

🏠 Aquarium & Tank Requirements

• 📦 Minimum Tank Size: 20+ gallons (long tank preferred)
• 🌊 Strong water movement and high oxygenation
• 🪵 Smooth rocks, pebbles, and driftwood for grazing
• 🌿 Hardy, cool-water plants like Anubias or Java Fern
• 💡 Moderate lighting to encourage algae growth

💧 Water Parameters – Red Spot Hillstream Loach Care

• 🌡️ Temperature: 68–75°F (20–24°C)
• ⚗️ pH: 6.5–7.5
• 💧 Hardness: Soft to moderately hard water

🍽️ Diet – Omnivorous (Algae Grazer)

• 🌱 Algae wafers and biofilm
• 🦐 Frozen daphnia, brine shrimp
• 🪱 Microworms and small insect larvae
• 🥬 Blanched spinach or zucchini slices

📋 Red Spot Hillstream Loach Care Overview Table

✨ Highlight:

• The Red Spot Hillstream Loach is a rare, beautifully marked algae grazer perfect for aquarists looking to add movement, utility, and unique appearance to a cool-water river aquarium.