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Bloody Mary Hillstream Loach

Bloody Mary Hillstream Loach

Gastromyzon sp. "Bloody Mary"
In StockLive Arrival Guaranteed
Regular price $104.99 USD
Regular price Sale price $104.99 USD
% OFF Sold out

Free Overnight Shipping on Orders $200+

Pack Size
Quantity
100% Live Arrival Guarantee

Photo any DOA in the sealed bag on the day of delivery. Approved claims are resolved with store credit, refund, or replacement at Razz Aquatics' discretion. See policy →

Quarantined livestock • Professionally packed • Insulated with weather protection
100+ AquariumsQuarantined Before ShippingFamily-Owned
Care Level
Intermediate
Temperature
68–76°F
pH Range
6.5–7.5
Min. Tank
20 gallons
Species Profile

Bloody Mary Hillstream Loach

Gastromyzon sp. "Bloody Mary"

Why We Love This Fish

  • Verified shrimp-safe species
  • Quarantined before shipping
  • Stunning in planted tanks
  • Peaceful community fish

Bloody Mary Hillstream Loaches are specialized Gastromyzon-type stream fish adapted to high-oxygen environments with current and hard grazing surfaces.

They need mature biofilm and supplemental feeding.

Care Notes

Use a mature, high-oxygen aquarium with current and smooth grazing surfaces.

Quick Care Facts
Care LevelIntermediate
Temperature68–76°F
pH Range6.5–7.5
Min. Tank20 gallons
DietBiofilm, algae, algae wafers, quality sinking foods
Adult Size~2–3 in
What’s Included
  • Quarantined fish
  • Insulated + weather pack
  • Overnight required
Species Spotlight

Why We Love This Fish

01

Built for Flow

Their body shape is adapted to clean, oxygen-rich moving water.

02

Active Rock Grazer

They spend their day exploring smooth surfaces for biofilm and algae.

03

Mature-Tank Specialist

Best in established aquariums with natural grazing available.

Bloody Mary Hillstream Loach in planted aquarium
Expert Advice
Razz Aquatics Recommendation

Use a mature 20-gallon or larger aquarium with strong oxygenation, current, smooth rockwork, and established biofilm.

— Tyler, Razz Aquatics  ·  100+ Dedicated Aquariums  ·  Family-Owned & Operated
How It Gets There

Overnight. Every Time.

Fish ship via Overnight service to minimize stress and maximize live arrival success. Livestock ships Monday through Wednesday. Choose your preferred delivery date at checkout.

1
Choose Delivery Date

Select your preferred delivery date at checkout. Livestock delivers Wednesday through Thursday.

2
Quarantined & Health Checked

Every animal is imported, quarantined on-site, and health-checked before it ships.

3
Packed for the Weather

Insulated box with heat or cold pack matched to your local weather forecast.

4
Live Arrival Guaranteed

100% Live Arrival Guarantee on every order. Photo any DOA in the sealed bag on the day of delivery and submit a claim through the Start a Claim page. Approved claims are resolved with store credit, refund, or replacement at Razz Aquatics' discretion.See policy →

Fish orders require Overnight. Free Overnight at $200+. Shrimp & livestock: Free 2-Day at $120+.

Why Order From Razz Aquatics

Quarantined Before Every Shipment

Every animal we sell is imported from trusted suppliers, quarantined in our dedicated facility, and health-checked before it ships. We run over 100 aquariums on-site — each focused on a specific species or color morph.

This is a family-owned operation. We pack every order ourselves and stand behind it with a 100% Live Arrival Guarantee. No drop-shipping. No middlemen.

100+
Dedicated quarantine & holding aquariums on-site
48+
States served with live livestock delivery
4.9★
Average customer rating across all verified reviews
100%
Live Arrival Guarantee — backed without fine print
Razz Aquatics facility
Quarantined Before ShippingFamily-Owned & Operated
Common Questions

Bloody Mary Hillstream Loach FAQ

Can they go in a new tank?+
No. They do best in mature aquariums with established biofilm.
Are they safe with shrimp?+
Generally compatible with adult shrimp; tiny shrimplets may still be at risk.
Is there a live arrival guarantee?+
Yes. Every order is covered by our Live Arrival Guarantee. Photograph any DOA in the sealed bag on delivery day and submit a claim through the Start a Claim page.
Do they need strong flow?+
They need excellent oxygenation and meaningful water movement.
How are Bloody Mary Hillstream Loaches shipped?+
Fish ship Monday through Wednesday via Overnight / Next Day Air and typically arrive Tuesday through Thursday in insulated packaging with weather-appropriate protection.
Build a Better Aquarium

Plants That Pair Perfectly

Live plants give nano fish cover, reduce stress, and create a more natural aquarium. They help break up sightlines, provide shelter for shy fish, and support a healthier planted tank.

Add live plants to create cover, improve water quality, and build a healthier aquarium for your fish.