Browncheek Blenny

Acanthemblemaria crockeri

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Browncheek Blenny
Acanthemblemaria crockeri, also known as Brown Cheek Barnacle Blenny, charms with its camouflaged appearance, blending into rockwork with ease. This hardy species thrives in well-established tanks, entertaining hobbyists with its peek-a-boo behavior from crevices in the rock work. Its low maintenance and unique antics make it a delightful addition to any saltwater aquarium.

Browncheek Blenny

Acanthemblemaria crockeri

(0 Reviews)

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Browncheek Blenny Care Facts

Care Level: Moderate
Temperament: Peaceful
Diet: Carnivore
Origin: Eastern Pacific Ocean
Acclimation Time: 2+ hours
Reef Safe: Yes
Minimum Tank Size: 10 gallons
Max Size: 2 inches

Also known as the Browncheek Barnacle Blenny, Acanthemblemaria crockeri is a carnivorous blenny that hides can be found in shallow reefs off of the western coast of the United States. It feeds on small crustaceans, such as mysis, brine and copepods, and requires crevices and holes to hide in. They rarely get over two inches, so they can make an ideal addition for a nano tank. They are a peaceful fish that will retreat into the rock work when threatened.


Browncheek Blenny Care Guide


The Browncheek Blenny, scientifically known as Acanthemblemaria crockeri is a captivating addition to your saltwater marine aquarium. This petite species boasts various features that make it a favorable choice for aquarists. This comprehensive product description will delve into multiple aspects of the Browncheek Blenny, providing valuable insights to ensure a successful and enjoyable ownership experience.


Habitat and Natural Range


Native to the tropical marine waters of the Western Atlantic Ocean, the Browncheek Blenny inhabits coral reefs and rocky substrate. Its natural range extends from the Caribbean Sea to the Gulf of Mexico. These fish prefer nooks and crevices within the reef, seeking refuge from predators and perching on hard substrates.


Reef Compatibility


The Browncheek Blenny is considered reef-safe, making it a suitable choice for reef aquariums. They are unlikely to harm corals, invertebrates, or other tank inhabitants. Their natural behavior of perching and observing their surroundings makes them a peaceful addition to reef environments.


Size and Lifespan


This species is relatively small, with a maximum length of approximately 2 inches (5 cm). They can live for up to 5 years in a well-maintained aquarium, provided that their habitat and dietary needs are met.


Diet in Captivity


In captivity, the Browncheek Blenny is an omnivore with a diet of small crustaceans, algae, and detritus. A varied diet, including quality pellet or flake food supplemented with live or frozen brine shrimp, mysis shrimp, and marine algae, will ensure optimal health and vibrant coloration.


Aquaculture and Availability


The Browncheek Blenny is not commonly aquacultured. Their availability in the hobbyist market may fluctuate, so it's advisable to check with reputable suppliers for their current stock status.


Compatibility with Other Fish and Invertebrates


The Browncheek Blenny is known for its peaceful temperament and coexists well with various tank mates. While compatibility can vary based on individual temperament, some compatible species include:     

  • Firefish Goby (Nemateleotris magnifica): These two species share similar habitat preferences and are generally peaceful, making them great companions.
  • Clownfish (Amphiprion spp.): These popular fish are compatible with Browncheek Blennies due to their mild temperaments and ecological niches.
  • Royal Gramma (Gramma loreto): Known for its striking coloration, it is generally compatible with the Browncheek Blenny as long as the tank is sufficient.
  • Cleaner Shrimp (Lysmata amboinensis): These invertebrates can be beneficial tank mates as they help keep the tank clean and do not threaten Browncheek Blennies.
  • Coral Banded Shrimp (Stenopus hispidus): Though cautious introduction is advisable, these shrimp can coexist with Browncheek Blennies in larger aquariums.


Sexual Dimorphism


Sexual dimorphism in Browncheek Blennies is not prominently displayed, making it challenging to distinguish males from females based on visual characteristics alone. Most of the observable differences are behavioral or related to breeding activities.


Juvenile to Adult Coloration Changes


As they mature, Browncheek Blennies typically display variations in coloration. While juveniles tend to be more vividly colored, adults often exhibit a mottled or speckled appearance with subtle shades of brown and gray.




Browncheek Blennies are known for their peaceful and discreet nature. They are relatively shy and prefer to remain near their chosen hideouts within the aquarium. This introverted behavior makes them excellent additions to community reef tanks.


Tank Requirements


To ensure the health and well-being of your Browncheek Blenny, you must meet their specific habitat requirements. Here are the key parameters:     

  • Minimum Aquarium Size: A tank with at least 20 gallons capacity is suitable for a single Browncheek Blenny. However, consider a larger tank with ample hiding spaces if you plan to keep multiple individuals.
  • Water Conditions:         
    • pH: Maintain a stable pH level between 8.1 and 8.4.
    • Salinity: Keep the salinity within the range of 1.023 to 1.025.
    • Water Temperature: Maintain a consistent water temperature between 75°F to 80°F (24°C to 27°C).
    • Water Flow: A moderate water flow in the tank is ideal, replicating the species' natural environment.


Common Names


In addition to the Browncheek Blenny, this species may also be referred to by common names such as:     

  • Browncheek Blennies
  • Blenny
  • Crocker's Blenny
  • Red-lip Blenny


Why Choose for Your Browncheek Blenny?


When considering where to source your Browncheek Blenny, stands out as a reliable and reputable option. With a commitment to quality and customer satisfaction, offers numerous benefits:     

  • Expert Care: The team at is knowledgeable about the care and requirements of the Browncheek Blenny and can offer guidance to ensure your success.
  • Health Guarantee: You can confidently purchase your Browncheek Blenny, as provides a health guarantee for their livestock.
  • Wide Selection: offers various marine species and can provide a healthy Browncheek Blenny that meets your specific needs.
  • Shipping Expertise: The company has extensive experience shipping marine fish and ensures your new addition arrives safely at your doorstep.


In conclusion, the Browncheek Blenny (Acanthemblemaria crockeri) is a delightful and reef-safe species, ideal for those looking to enhance their saltwater marine aquarium. Their captivating behavior and compatibility with various tank mates make them an excellent addition to novice and experienced aquarists. By maintaining the recommended tank conditions and offering a diverse diet, you can enjoy the beauty and charm of the Browncheek Blenny in your marine environment. When considering your purchase, trust to provide healthy and vibrant Browncheek Blennies to enrich your aquarium experience.

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