🐟 Gastromyzon Red Tail “Bloody Mary” Loach

Description:
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: 5–15 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.