Bloody Mary Loach
🐟 Gastromyzon Red Tail Bloody Mary Loach
Most loaches are social and do best in groups. Please check adult size before purchasing, as species like clown loaches and dojo loaches need much larger aquariums than kuhli loaches.
The Gastromyzon Red Tail Loach, also known as the Bloody Mary Loach, is a striking hillstream loach species prized for its vibrant red tail and unique body pattern. Native to fast-flowing streams of Borneo, these peaceful bottom-dwellers thrive in well-oxygenated aquariums with strong currents, smooth rocks, and plenty of algae or biofilm to graze on.
Care Level: Intermediate
Temperament: Peaceful, community-friendly
Max Size: ~2.5 inches (6 cm)
Diet: Omnivorous algae, biofilm, sinking pellets, and frozen foods
Tank Size: 30+ gallons recommended
Water Parameters:
- Temperature: 68–75°F (20–24°C)
- pH: 6.5–7.5
- Hardness: 515 dGH
❓ FAQ
Q: Are Gastromyzon loaches aggressive?
A: No, they are peaceful and do well in community tanks with other calm fish.
Q: What tank setup is best?
A: They thrive in aquariums with strong water flow, smooth rocks, and live plants to mimic their natural river habitat.
Q: Are they suitable for beginners?
A: They are better for intermediate aquarists due to their need for high oxygen levels and cooler temperatures.
Q: What do they eat?
A: They graze on algae and biofilm and should be supplemented with sinking wafers, blanched veggies, and frozen foods.
Q: Can they live in groups?
A: Yes, they do well in small groups and will display natural behaviors when kept together.
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