Boston Bean Boxfish

Lactophrys sp.

(0 Reviews)

Boston Bean Boxfish

Boston Bean Boxfish

Lactophrys sp.

(0 Reviews)

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Boston Bean Boxfish Care Facts

Care Level: Expert
Temperament: Semi-Aggressive
Diet: Omnivore
Reef Safe: No
Minimum Tank Size: 120 gallons
Max Size: 15 inches
The Boston Bean Boxfish, Lactophrys sp., also known as the Smooth Boxfish, is one of the most unique marine fish species available. Their incredibly unique box-shaped body makes them a fun and entertaining fish to watch in your tank. However, the boxfish is fickle and should only be cared for by expert and  experienced aquarists. They can reach a size of 15 inches, and should be kept in a tank no less than 100 gallons, with plenty of live rock and a sand substrate. It is a great reef fish as long as it is not kept with larger, more aggressive or speedy fish. Be sure not to house the Boxfish with cleaner type fish as well,  as it has sensitive skin, and they do secrete poison from skin glands when stressed or in danger. This poison may kill fish in the aquarium very quickly.  Also be sure to keep the lid on your tank tightly sealed to prevent jumping. They can pick on smaller inverts and tubeworms once it gets larger so plan accordingly. The Boston Bean Boxfish should be fed an omnivore diet of live Brine shrimp or Mysis, chopped squid, clams, mussels, and herbivore preparations for diversity in their diet.

Boston Bean Boxfish

The Boston Bean Boxfish, scientifically known as Lactophrys sp., is a captivating addition to saltwater marine aquariums. This educational guide provides a detailed overview of caring for these unique creatures, covering various aspects such as habitat, diet, tank requirements, compatibility, and more.

Habitat of the Boston Bean Boxfish

Boston Bean Boxfish are typically found in tropical waters of the Western Atlantic Ocean, including regions such as the Caribbean Sea and the Gulf of Mexico. They inhabit coral reefs and rocky areas, seeking shelter among crevices and caves.

Reef Compatibility of the Boston Bean Boxfish

Boston Bean Boxfish are generally not considered reef-safe; caution should be exercised as they may nip at small invertebrates and corals. It is advisable to provide them with ample hiding spots to prevent stress and minimize potential aggression toward other tank inhabitants.

Size and Lifespan of the Boston Bean Boxfish

These boxfish can grow up to 15 inches long, making them suitable for medium to large-sized aquariums. They can live up to 10 years or more in captivity with proper care.

Diet in Captivity of the Boston Bean Boxfish

Boston Bean Boxfish should be offered a varied diet consisting of high-quality frozen and live foods such as brine shrimp, mysis shrimp, and chopped seafood. Additionally, providing them with algae-based flakes or pellets will help maintain their health and vibrant coloration.

Aquaculture and Availability of the Boston Bean Boxfish

Boston Bean Boxfish are not commonly aquacultured; they are occasionally available to hobbyists through reputable suppliers and online retailers such as Acquiring them from sustainable sources is essential to support responsible aquarium-keeping practices.

Compatibility with Other Fish and Invertebrates of the Boston Bean Boxfish

Boston Bean Boxfish are generally peaceful but may exhibit territorial behavior towards conspecifics or similarly shaped fish. Compatible tank mates include species such as :

Sexual Dimorphism of the Boston Bean Boxfish

Sexual dimorphism in Boston Bean Boxfish is minimal, with males and females displaying similar physical characteristics. Therefore, distinguishing between sexes based on external features alone may be challenging.

Juvenile to Adult Coloration Changes of the Boston Bean Boxfish

Juvenile Boston Bean Boxfish typically exhibit a vibrant yellow coloration with black spots or markings resembling a ripe bean. As they mature, their coloration may change to a more subdued yellow or brown hue, making the spots less prominent.

Temperament of the Boston Bean Boxfish

Boston Bean Boxfish are known for their calm demeanor and gentle disposition. However, they may become aggressive towards other boxfish or similarly shaped species if they feel threatened or overcrowded. Providing ample hiding spots and maintaining appropriate tank parameters can help mitigate aggression.

Tank Requirements for the Boston Bean Boxfish

  • Minimum Tank Size: A tank with at least 120 gallons capacity is recommended to ensure ample swimming space and territory for the Boston Bean Boxfish.
  • Water Conditions: Maintain stable water parameters as follows:
    • pH: 8.1 - 8.4
    • Salinity: 1.020 - 1.025
    • Water Temperature: 74°F - 78°F
    • Water Flow: Moderate to high flow is recommended to simulate ocean currents and ensure proper oxygenation.

Other Common Names

Boston Bean Boxfish may also be known by alternative common names such as Spotted Boxfish or Polka Dot Boxfish.

Why Choose the Boston Bean Boxfish from

Purchasing Boston Bean Boxfish from ensures that you receive healthy, sustainably sourced specimens backed by the expertise of a trusted supplier. With a commitment to quality and customer satisfaction, provides reliable shipping and excellent customer support, making them the preferred choice for aquarists seeking top-notch marine livestock. Invest in the beauty and tranquility of your saltwater aquarium with the captivating Boston Bean Boxfish from

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