The Picasso Triggerfish is a colorful fish loved by many aquarium keepers. Its bright colors and interesting patterns make it a popular choice. But, caring for this fish needs some knowledge and effort. This guide will help you understand how to care for the Picasso Triggerfish well.
What is a Picasso Triggerfish?
The Picasso Triggerfish, also called the Lagoon Triggerfish, lives in warm ocean waters. It is named after the famous artist Picasso because of its bright colors and sharp lines on its body. This fish is not very big. It grows up to 10 inches (25 cm) long.

Credit: www.baybridgeaquarium.com
How Long Do Picasso Triggerfish Live?
In a good aquarium, Picasso Triggerfish can live for 7 to 10 years. Sometimes, with great care, they live longer. Their lifespan depends on good food, clean water, and a safe environment.
Tank Size and Setup
To keep a Picasso Triggerfish, you need a large tank. The fish is active and needs space to swim. A tank size of at least 75 gallons (around 280 liters) is needed. Bigger is better if you want to keep more than one fish or other sea animals.
The tank should have many rocks and places to hide. These fish like to explore and rest in caves or crevices. Add live rock to help keep the water clean and offer natural hiding spots.
Water Conditions
| Parameter | Ideal Range |
|---|---|
| Temperature | 75°F – 82°F (24°C – 28°C) |
| pH Level | 8.1 – 8.4 |
| Salinity | 1.020 – 1.025 specific gravity |
| Ammonia, Nitrite | 0 ppm (parts per million) |
| Nitrate | Below 20 ppm |
Keep the water clean by changing 10-20% weekly. Use a good filter to remove waste. Test water regularly to keep parameters stable.

Credit: kdfoundation.org
What Do Picasso Triggerfish Eat?
These fish are carnivores. They eat meat from the ocean. In the wild, they eat small animals like crabs, shrimp, sea urchins, and snails. They also nibble on some reef algae.
In your tank, feed a varied diet. This keeps the fish healthy and happy.
Food Types For Picasso Triggerfish
- Meaty Foods: Shrimp, squid, clams, and small fish.
- Hard-shelled Foods: Hard shrimp, crab legs, or cockles to help wear down teeth.
- Frozen and Freeze-Dried Foods: Krill, mysis shrimp, and other marine foods.
- Pellets: High-quality marine carnivore pellets.
- Live Foods (Optional): Ghost shrimp or feeder crabs as a treat.
- Vegetables: Some may like small bits of vegetables.
Feeding Tips
- Offer different foods to give all nutrients.
- Feed small amounts 2-3 times a day.
- Remove uneaten food quickly to keep water clean.
- Thaw frozen foods fully before feeding.
Behavior and Temperament
Picasso Triggerfish can be friendly or aggressive. They like to explore and are very curious. But, they can chase smaller fish or animals.
This fish may not be good with very small or slow fish. It can defend its space strongly. Keep this in mind when choosing tank mates.
Good Tank Mates
- Large, peaceful fish that swim fast.
- Other triggerfish species, if tank is big.
- Reef-safe animals that can hold their own.
Avoid
- Very small or slow fish.
- Invertebrates like shrimp or crabs (may be eaten).
- Other aggressive fish that might fight.
Health and Common Problems
The Picasso Triggerfish is strong but can get sick. Common problems include skin parasites and poor water quality effects.
Watch your fish daily. Look for changes in color, behavior, or appetite. If the fish hides a lot or scratches on rocks, it might be sick.
Preventing Problems
- Keep water clean and stable.
- Feed a healthy, balanced diet.
- Quarantine new fish before adding to tank.
- Use saltwater treatment if parasites appear.
Summary Table: Picasso Triggerfish Care
| Care Aspect | Details |
|---|---|
| Tank Size | Minimum 75 gallons (280 liters) |
| Water Temperature | 75°F – 82°F (24°C – 28°C) |
| pH Level | 8.1 – 8.4 |
| Diet | Carnivore: shrimp, squid, clams, pellets |
| Behavior | Curious but can be aggressive |
| Lifespan | 7-10 years, sometimes longer |
| Tank Mates | Large, peaceful fish; avoid small fish |
Final Thoughts
Caring for a Picasso Triggerfish is rewarding but needs effort. They add beautiful colors and life to a saltwater tank. With the right tank, food, and care, your fish will thrive for many years.
Remember, always research and plan before buying this fish. It needs space, clean water, and a good diet. If you give these, your Picasso Triggerfish will be a happy pet.
Frequently Asked Questions
Are Triggerfish Easy To Care For?
Triggerfish require moderate care with a large tank, varied diet, and stable water conditions. They can be aggressive and need careful monitoring.
What Is The Lifespan Of A Picasso Triggerfish?
The lifespan of a Picasso triggerfish is typically 8 to 10 years in captivity. Proper care extends their life.
What Do Picasso Triggerfish Eat?
Picasso triggerfish eat a varied carnivorous diet including crustaceans, sea urchins, mollusks, shrimp, squid, clams, and hard-shelled foods. They require meaty and hard foods to maintain healthy teeth. Feeding small amounts multiple times daily ensures proper nutrition and dental care.
What Size Tank Does A Picasso Trigger Need?
A Picasso triggerfish needs a minimum tank size of 75 gallons to thrive comfortably. Larger tanks are ideal for adult fish.
What Tank Size Is Ideal For Picasso Triggerfish Care?
A minimum 75-gallon tank is best to provide enough space for swimming and hiding.
What Do Picasso Triggerfish Eat In Captivity?
They eat shrimp, squid, clams, and hard-shelled foods to wear down teeth.
How Often Should I Feed My Picasso Triggerfish?
Feed small amounts 2-3 times daily and remove uneaten food quickly.
Can Picasso Triggerfish Live With Other Fish?
They can be aggressive; choose tank mates carefully and avoid small, slow fish.
