Humu Picasso Trigger

Rhinecanthus aculeatus


(4 Reviews)

Humu Picasso Trigger

Humu Picasso Trigger

Rhinecanthus aculeatus


(4 Reviews)

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Care Facts

Care Level: Easy
Temperament: Aggressive
Diet: Carnivore
Reef Safe: No
Minimum Tank Size: 120 gallons
Max Size: 12 inches

The Humu Humu Trigger, (Rhinecanthus aculeatus), also known as the Humu or Picasso Trigger, are a beautiful and well-known fish. They can be found in many locations, including the Indo-Pacific, Red Sea, coast of Africa and Hawaii. They Have a grey or white body with yellow, blue and black stripes. They are aggressive by nature and should be kept in FOWLR tanks with other fish of similar size and temperament. Reaching a maximum size of 12 inches, they do best in a tank of at least 120 gallons. They are not reef safe and should not be kept with prized crustaceans. They are carnivorous, and should be fed a variety of frozen shrimp, krill, clams, and squid daily. 



Humu Picasso Triggerfish (Rhinecanthus aculeatus) Aquarium and Care Guide

The Humu Picasso Triggerfish (Rhinecanthus aculeatus) is a captivating and colorful addition to your saltwater marine aquarium. This comprehensive product description will provide hobbyists and potential buyers with essential information about keeping the Humu Picasso Triggerfish. This includes details on its habitat, reef compatibility, size, lifespan, diet in captivity, aquaculture availability, compatibility with other marine life, sexual dimorphism; coloration, changes from juvenile to adult, temperament, tank requirements, and ideal water conditions. We'll also cover common names for this species, list compatible tank mates, and explain why people should consider purchasing the Humu Picasso Triggerfish from Saltwaterfish.com.

Humu Picasso Triggerfish Habitat

The Humu Picasso Triggerfish (Rhinecanthus aculeatus) is commonly found in the Indo-Pacific region, inhabiting coral reefs, rocky substrates, and areas with ample hiding spots. To ensure their well-being in captivity, it's crucial to replicate a similar environment within your aquarium.

Reef Compatibility of the Humu Picasso Triggerfish

The Humu Picasso Triggerfish is generally not considered reef-safe due to its natural foraging behavior. These fish may disturb corals and invertebrates, making them better suited for fish-only or fish-only-with-live-rock (FOWLR) setups.

Size and Lifespan of Humu Picasso Triggerfish

In captivity, Humu Picasso Triggerfish can grow to a length of up to 12 inches. They have a relatively long lifespan, typically ranging from 8 to 12 years with proper care.

Diet in Captivity

These triggerfish are omnivorous and have diverse dietary preferences. They readily accept high-quality marine pellets, frozen foods, and live or frozen seafood. Maintaining a balanced diet is essential to ensure their health and vibrancy.

Aquaculture and Availability

Humu Picasso Triggerfish are not aquacultured, but they are often available to hobbyists through reputable suppliers and online retailers like Saltwaterfish.com as wild-caught specimens.

Compatibility with Other Fish and Invertebrates

Humu Picasso Triggerfish can be territorial and occasionally aggressive, especially when they feel threatened or while establishing their territory. Selecting compatible tankmates is essential to minimize potential conflicts. Suitable tankmates may include Foxface Rabbitfish, Clownfish, large angelfish, and certain tang species.

Sexual Dimorphism

Humu Picasso Triggerfish do not exhibit significant sexual dimorphism, making it challenging to visually distinguish between males and females based on their external characteristics.

Juvenile to Adult Coloration Changes

Juvenile Humu Picasso Triggerfish typically display vibrant colors with distinct black lines and patterns on their bodies. As they mature into adults, their coloration becomes more subdued, with less prominent patterns and a more mottled appearance.

Temperament

The Humu Picasso Triggerfish is known for its territorial and sometimes aggressive nature. Providing sufficient hiding spots and territories within the aquarium can help mitigate aggression, creating a more balanced environment.

Tank Requirements

To ensure the well-being of your Humu Picasso Triggerfish, you will need an aquarium with a minimum capacity of 120 gallons. These fish require ample swimming space, hiding spots, and the freedom to establish territories.

Water Conditions

Maintaining stable water conditions is vital for the health of your Humu Picasso Triggerfish. Here are the recommended parameters:

  • pH: 8.1 to 8.4
  • Salinity: 1.020 to 1.025
  • Water Temperature: 76 to 82°F (24 to 28°C)

Adequate water flow is recommended, replicating the natural current of their native habitat.

Common Names

The Humu Picasso Triggerfish is also known by various common names, including the Picasso Triggerfish, Lagoon Triggerfish, Humu Humu Triggerfish, and Rectangular Triggerfish.

Five Compatible Tank Mates

  • Foxface Rabbitfish (Siganus vulpinus): Peaceful herbivores that add diversity and color to your aquarium while helping control algae.
  • Clownfish (Amphiprioninae): Known for their unique behaviors and vibrant colors, they make excellent tankmates.
  • Emperor Angelfish (Pomacanthus imperator): Ideal for larger tanks, these stunning angelfish can coexist with Humu Picasso Triggerfish.
  • Powder Blue Tang (Acanthurus leucosternon): Elegant and suitable for larger saltwater setups.
  • Naso Tang (Naso lituratus): A beautiful tang species that complements the Humu Picasso Triggerfish in larger aquariums.

Why Choose the Humu Picasso Triggerfish from Saltwaterfish.com

Saltwaterfish.com is a reputable source for obtaining marine fish and invertebrates for your aquarium. They are known for their rigorous care and quarantine practices, ensuring that the fish they provide are healthy and free from diseases. When you purchase a Humu Picasso Triggerfish from Saltwaterfish.com, you can have confidence in the quality of your new marine addition, knowing that it will thrive in your aquarium.

Is definitely an aggressive fish. Any additions need to be at least his size or larger in my aquarium.


Reviewed by: Gail Skarloken on Nov. 20, 2019

Might be my favorite fish in my tank. I got one about 1” and is the tank “tough guy”. He wanders all around the tank and when gets too close to one of my damsels spots just ignores the damsels attempts to chase him away. I just got a clown fish that clings to his side. Fun to watch and has a big personality.


Reviewed by: Shawn Mulford on Sept. 23, 2018

Love this little fella. I know it wont be too long before it gets big. He is active and has a healthy appetite. Wonderful addition to the tank.


Reviewed by: Esther on Sept. 15, 2018

Love this cool-looking fish! Peaceful, with a ton of personality. He'll come up to the long handled food dispenser and nibbles from it. Sleeps in the same spot in a crevice on 1 of my live rocks. Love this fish.


Reviewed by: Esther Murphy on March 2, 2018

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