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Black Molly
Black Molly
Origin
Central America
Habitat Size
50-150 Liters
Water Type
Brackish
Water Temperature
24º-28ºC
Cost in India
₹80 - ₹150
Size
2 - 6 inches (Small)
Diet
Omnivore
by Happy Pet TeamUpdated on 2 Dec 2025
Introduction of the Black Molly
The Black Molly (Poecilia sphenops) ranks as one of the most beautiful and prized freshwater aquarium fish. Identified by its rich, sumptuous black coloration and graceful swimming ability, this fish is docile, long-lived, and easy to maintain — an excellent choice for beginners and experts alike.
Characteristics
Temperament
Aggressive
Friendly
Compatibility with other fishes
Not Friendly
Super Friendly
Habitat Size
Small
Large
Habitat Requirements of the Black Molly
Initial Setup Cost
₹4,000 - ₹12,000
Water Temperature
24º -28ºC
Water Type
Brackish
PH Level
7.5 - 8.5
Tank Setup
Essential Equipment
Aquarium tank
Water filter
Heater
Light
Substrate
Black Molly Nutritional Guide
Avg Monthly Expenses
₹80 - ₹ 150
Black Mollies are grazers/herbivores and protein.
Health & Care of Black Molly
Common Health Issues
Fin rot
White spot / ick
Fungus
Columnaris (cotton wool-like growth on the skin)
Ammonia poisoning
Swim bladder inflammation
Signs of good health
Active
Bright coloration
Good apetite
Signs of sickness
Loss of appetite
Lethargic behaviour
Dull coloring
Tattered fins
Swimming abnormally
Black Molly's Common Problems
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
Can Black Mollies live with other fish?
Yes, they are generally peaceful and compatible with other similar-sized, non-aggressive fish.
What do Black Mollies eat?
They are omnivores and eat a varied diet of plant matter and protein, including flakes, vegetables, and live or frozen foods.
How to prevent diseases in my Black Mollies?
Maintain clean water, provide a balanced diet, monitor water parameters regularly, and quarantine new fish before adding them to the tank.