Blue Spot Puffer

Canthigaster solandri

(0 Reviews)

Blue Spot Puffer

Blue Spot Puffer

Canthigaster solandri

(0 Reviews)

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Care Facts

Care Level: Easy
Temperament: Semi-Aggressive
Diet: Carnivore
Reef Safe: No
Minimum Tank Size: 50 gallons
Max Size: 5 inches

The Blue Spot Puffer, Canthigaster papau, also known as the Hawaiian Blue Puffer or the Blue Spotted Sharpnose, has a winning personality and is a great fish for a fish-only tank. Its body is covered in brilliant blue dots. It is sexually dimorphic, meaning males have conspicuous points in the middle of the back, and over the position of the gill opening - a feature that females lack. The Blue Spot Puffer produces a toxin, which is known as tetradotoxin, in the skin and viscera that makes them unpalatable to most fish. It acclimatizes quickly to an aquarium life, and needs lot of hiding places with rocks and crevices. The Blue Spot Puffer is not considered reef safe because it nips at corals and has the ability to poison areas of the tank. It should be kept in fish only aquarium, and is highly recommended not to add multiple inhabitants in the same tank. The Hawaiian Blue Puffer will feed largely on red algae, green algae, and coralline algae as well as most carnivorous preparations. The Blue Spot Puffer should never be held or exposed outside of the water as it can be damaging to the fish. Feed them 1-2 times per day a diet of frozen thawed or live brine shrimp, mysis, krill, and clams to help keep their teeth trimmed. If only fed soft foods their teeth can interlock and prevent them from being able to eat.

Adding the Blue Spot Puffer to Your Aquarium

The Blue Spot Puffer is the perfect fit for any saltwater aquarium. Not only does this fish live for up to five years, but it also will eat a variety of foods and is easy to care for. It is not a fish that is available through aquaculture, but is a rewarding addition to any aquarium

Habitat of the Blue Spot Puffer

The Blue Spot Puffer, Canthigaster papua, is typically found in the Indo-Pacific region, including the Red Sea and the eastern coast of Africa. These puffers inhabit coral reefs and lagoons, preferring to dwell among crevices and rocky areas.

Reef Compatibility of the Blue Spot Puffer

The Blue Spot Puffer is considered semi-reef safe. While they usually do not harm corals, they are known to nip at or consume some invertebrates, such as tube worms and corals with fleshy polyps. Therefore, caution is advised when housing them in reef aquariums.

Size and Lifespan of the Blue Spot Puffer

Blue Spot Puffers are relatively small, reaching a maximum size of about 4 inches (10 centimeters). In terms of lifespan, these puffers can live up to 5 years in optimal conditions.

Diet of the Blue Spot Puffer in Captivity

Blue Spot Puffers are omnivorous in captivity, meaning they consume various foods. Their diet should consist of a mixture of both plant and animal-based foods. They readily accept high-quality marine flakes, pellets, frozen foods, and live offerings like brine shrimp and mysis shrimp. Offering a diverse diet ensures their nutritional needs are met.

Aquaculture and Availability of the Blue Spot Puffer

Blue Spot Puffers are unavailable through aquaculture and are more commonly collected from the wild. When purchasing Blue Spot Puffers, it is advisable to buy from reputable sources that promote ethical and sustainable practices. At, we prioritize the species' well-being and ensure they acclimate to aquarium life.

Compatibility with Other Fish and Invertebrates

The Blue Spot Puffer can be territorial and even aggressive, especially towards other pufferfish or fish that are similar in size and appearance. When selecting tank mates, choose peaceful and larger species less likely to be perceived as threats. Always monitor their interactions closely to prevent aggression.

Sexual Dimorphism of the Blue Spot Puffer

Blue Spot Puffers do not display significant sexual dimorphism, as males and females share similar physical characteristics and coloration.

Coloration Changes from Juvenile to Adult in Blue Spot Puffer

Juvenile Blue Spot Puffers are known for their striking blue spots prominently visible on their yellowish bodies. As they mature into adulthood, these blue spots may become less pronounced but contribute to their distinct appearance.

Temperament of the Blue Spot Puffer

Blue Spot Puffers are known for their inquisitive and active nature, often curious about their surroundings. However, their territorial tendencies and occasional aggression make it essential to provide adequate hiding spots and minimize competition for territory in the aquarium.

Tank Requirements for the Blue Spot Puffer

To maintain the well-being of your Blue Spot Puffer, a tank with a minimum size of 50 gallons (approximately 114 liters) is recommended. This provides them with ample swimming space while also reducing territorial disputes. These puffers require a stable environment with a pH of 8.1 to 8.4, a salinity level of 1.020-1.025, and a temperature range of 74-78°F (23-26°C). Adequate water flow is essential, and a well-structured tank with hiding spots and live rock is beneficial to mimic their natural habitat.

Common Names of the Blue Spot Puffer

The Blue Spot Puffer is also commonly called the Papuan Toby Puffer, Blue Spotted Sharpnose, or Hawaiian Blue Puffer.

Five Compatible Tank Mates for the Blue Spot Puffer

Advantages of Acquiring the Blue Spot Puffer from

Acquiring your Blue Spot Puffer from assures healthy and acclimated specimens. We prioritize ethical sourcing and the well-being of marine species, making us a trusted choice for marine enthusiasts.

In summary, with its captivating appearance and intriguing behavior, the Blue Spot Puffer is a fascinating addition to your saltwater marine aquarium. By providing proper care, a balanced diet, and a suitable tank setup, you can enjoy their unique presence for years to come.

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