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Silver Dollar
Silver Dollar
Origin
South America
Habitat Size
50-150 Liters
Water Type
Fresh Water
Water Temperature
24º-28ºC
Cost in India
₹80 - ₹150
Size
5 - 6 inches (Small)
Diet
Herbivore
by Happy Pet TeamUpdated on 1 Dec 2025
Silver Dollar Fish Guide
Silver Dollars are round, shiny, silvery fish that look a bit like a coin—hence the name. They are quite popular in home aquariums because they swim in groups, are peaceful, and make the striking “schooling” effect that many hobbyists like. Their disc-shaped sides and smooth silver color make them stand out in the tank.
Characteristics
Temperament
Aggressive
Friendly
Compatibility with other fishes
Not Friendly
Super Friendly
Habitat Size
Small
Large
Silver Dollar Fish Habitat Requirements
Initial Setup Cost
₹4,000 - ₹12,000
Water Temperature
24º -28ºC
Water Type
Fresh Water
PH Level
6 - 7.5
Silver Dollar Fish Tank Type
Essential Equipment
Aquarium tank
Water filter
Heater
Light
Substrate
Decor
Silver Dollar Fish Nutritional Guide
Avg Monthly Expenses
₹80 - ₹ 150
Silver Dollar Fish Diet Type
Silver Dollar Fish Health & Care
Common Health Issues
White spot / ick
Fin rot
Fungus
Parasites
Swim bladder disease
Signs of good health
Active
Bright coloration
Good apetite
Signs of sickness
Loss of appetite
Lethargic behaviour
Cloudy eyes
White growths
Tattered fins
Some of the common health issues found in Silver Dollar fish (Metynnis species) are as follows:
Prerequisites for a Fish
Cleanliness
Adequate tank space
Effort & commitment
Enriching Environment
Written by
Happy Pet TeamAuthor
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Frequently Asked Questions
Are Silver Dollar fish suitable for community tanks?
Yes, Silver Dollar fish are generally peaceful and can be kept in community tanks with other large, peaceful fish species. However, they may nip at the fins of smaller or slower fish, so tank mates should be chosen carefully.
How many Silver Dollar fish should be kept together?
Silver Dollar fish are schooling fish by nature, so they should be kept in groups of at least 5-6 individuals to promote their natural behavior and reduce stress. Larger groups are even better for their well-being.
What are some common tank mates for Silver Dollar fish?
Suitable tank mates for Silver Dollar fish include other large, peaceful species such as larger tetras, barbs, angelfish, and peaceful cichlids from South America. Avoid keeping them with small, delicate fish that they might see as prey.