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Siamese Algae Eater
Siamese Algae Eater
Origin
South East Asia
Habitat Size
50-150 Liters
Water Type
Fresh Water
Water Temperature
24º-26ºC
Cost in India
₹80 - ₹150
Size
2 - 6 inches (Small)
Diet
Omnivore



by Happy Pet TeamUpdated on 2 Dec 2025
Introduction of the Siamese Algae Eater
Siamese Algae Eater (Crossocheilus oblongus) is one of the freshwater fish that is most famous for its unsurpassed ability to control algae growth in tanks. The oval-shaped body, metallic silver color, and beautiful horizontal black stripe from head to tail, both functional and lovely, make the fish a favorite among aquarists for a natural way of cleaning the tanks. Active and strong, the fishes are aquarists' favorites for a natural way of tank cleaning.
Characteristics
Temperament
Aggressive
Friendly
Compatibility with other fishes
Not Friendly
Super Friendly
Habitat Size
Small
Large

Habitat Requirements of the Siamese Algae Eater
Initial Setup Cost
₹4,000 - ₹12,000
Water Temperature
24º -26ºC
Water Type
Fresh Water
PH Level
6.5 - 7
Tank Setup
Essential Equipment
Aquarium tank
Water filter
Heater
Light
Substrate
Nutritional Guide of the Siamese Algae Eater
Avg Monthly Expenses
₹80 - ₹ 150
Despite being famous for eating algae, Siamese Algae Eaters need to be provided with a balanced diet so that they stay healthy. A variety of such foods is ideal:

Health & Care of the Siamese Algae Eater
Common Health Issues
Fin rot
White spot / ick
Columnaris (cotton wool-like growth on the skin)
Velvet
Ammonia poisoning
Parasitic infections
Signs of good health
Active
Bright coloration
Good apetite
Signs of sickness
Loss of appetite
Lethargic behaviour
Dull coloring
Tattered fins
Swimming abnormally
Common Issues
Prerequisites for a Fish
Adequate tank space
Cleanliness
Effort & commitment
Enriching Environment

Written by
Happy Pet TeamAuthor
Team Happy Pet is a passionate collective of pet experts, enthusiasts, and advocates dedicated to sharing trusted and insightful content.
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Frequently Asked Questions
How many Siamese Algae Eaters should I keep together?
It is recommended to keep them in groups of at least three to encourage natural behavior and reduce stress. They are social fish and thrive better in small groups.
What do Siamese Algae Eaters eat?
They primarily eat algae but should be supplemented with high-quality flake foods, pellets, and blanched vegetables like zucchini, cucumber, and spinach. A varied diet ensures they receive all necessary nutrients.
Do Siamese Algae Eaters need a specific type of substrate?
While Siamese Algae Eaters are not very particular about the substrate, a sandy or fine gravel substrate is preferred as it mimics their natural habitat. It also helps in maintaining a clean environment where algae can grow.


