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Longhorn cow
Longhorn cow
Origin
Australia
Japan
Indo-Pacific
East Africa
Habitat Size
150-400 Liters
Water Type
Fresh Water
Water Temperature
22º-26ºC
Cost in India
₹200 - ₹300
Size
6 - 12 inches (Medium)
Diet
Omnivore
by Happy Pet TeamUpdated on 29 Oct 2025
Longhorn Cowfish Introduction
Longhorn cowfish’s scientific name is Lactoria cornuta. It has horn-like protrusions above the eyes and tail and is considered to be a highly distinctive marine. The cowfish boasts a box-shaped body, bright yellow to olive base colour, and white or blue spots. It is native to reefs and lagoons across the Indo-Pacific. Longhorn Cowfish requires special care and attention because of the size, diet, and toxin-release risk. It adds colour and vividness to the aquarium.
Characteristics
Temperament
Aggressive
Friendly
Compatibility with other fishes
Not Friendly
Super Friendly
Habitat Size
Small
Large
Longhorn Cowfish Habitat
Initial Setup Cost
₹10,000 - ₹30,000
Water Temperature
22º -26ºC
Water Type
Fresh Water
PH Level
8.1 - 8.4
Longhorn cowfish’s a freshwater species that needs to be kept in a healthy and thriving living condition for longevity. Following habitat conditions must be met.
Essential Equipment
Aquarium tank
Water filter
Heater
Light
Substrate
Decor
Longhorn Cowfish Diet
Avg Monthly Expenses
₹200 - ₹ 300
The cowfish is an omnivore with a mix of meat-based and plant/ algae-based foods.
Health & Care for Longhorn Cowfish
Common Health Issues
Fin rot
White spot / ick
Ammonia poisoning
Parasites
Swim bladder inflammation
Bacterial infections
Signs of good health
Active
Bright coloration
Good apetite
Signs of sickness
Loss of appetite
Lethargic behaviour
Dull coloring
Tattered fins
White growths
The cowfish must be taken care of in order to keep their health at peak condition.
Prerequisites for a Fish
Adequate tank space
Effort & commitment
Cleanliness
Enriching Environment
Written by
Happy Pet TeamAuthor
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Frequently Asked Questions
Can Longhorn Cowfish be kept in reef aquariums?
Yes, but with caution. They may nibble on invertebrates and corals. Many hobbyists keep them in FOWLR (Fish-Only With Live Rock) setups.
How often should I feed my Longhorn Cowfish?
Typically 2-3 times per day in small portions to prevent overfeeding and maintain water quality.
Is Longhorn Cowfish toxic to other fish?
Yes. They can release ostracitoxin when stressed, injured, or dying. This can poison other tank inhabitants. Remove them from the system if they are unwell.
How big a tank do I need if I want a full-grown Longhorn Cowfish?
Something in the range of 600-700 litres (150-180 gallons) or more to accommodate adult size.