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

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

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Red Spot Hillstream Loach - (Erromyzon sp. 'ER02')
Fish Details, Description and Information Below:

🐟 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

Feature Details
🌍 Origin Asia – fast-flowing streams
📏 Max Size 2–3 inches (5–7.5 cm)
😇 Temperament Peaceful
🏠 Tank Size 20+ gallons
⚗️ pH Range 6.5–7.5
🌡️ Temperature 68–75°F (20–24°C)
🍽️ Diet Omnivorous, algae grazer
🎯 Ideal For Hillstream or river biotope tanks

✨ 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.
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