Common name: Imitator Blenny

Scientific name: Cirripectes imitator Williams, 1985

General Information

The Imitator Blenny, scientifically known as Cirripectes imitator, is a fascinating species often sought after by aquarium enthusiasts for its unique appearance and intriguing behavior. This blenny is known for its ability to imitate the appearance of other fish, a trait that helps it evade predators and integrate into various reef communities.

While not as widely recognized as some other blenny species, the Imitator Blenny plays a significant role in the ecosystems it inhabits, contributing to the balance of reef communities by controlling algae growth. Its mimicry skills make it an interesting subject for both hobbyists and researchers alike.

Details

Estimated price
Moderate
Recommended minimum tank volume
100 liter (26 gallons)
Salinity
S.G. 1.023 to 1.025
Temperature
24 to 28 °C (75 to 82 °F)
Acidity
pH 8 to 8.5
Average size
10 cm (4″)
Care level
Easy
Diet
Herbivore Primarily feeds on algae; offer vegetable-based flakes or pellets
Social
Solo Best kept solo to avoid territorial disputes with similar fish
Reefsafe
Yes
Aggression
Peaceful Can be territorial towards similar fish in small tanks
Captive bred
No
IUCN Red List
EX
EW
CR
EN
VU
NT
LC

Taxonomy

  1. Kingdom
    Animals
    Animalia
  2. Phylum
    Chordates
    Chordata
  3. Class
    Ray-finned Fishes
    Actinopterygii
  4. Order
    Perch-like Fishes
    Perciformes
  5. Family
    Blennies
    Blenniidae
  6. Genus
    Blenny
    Cirripectes
  7. Species
    Imitator Blenny
    Cirripectes imitator Williams, 1985
  8. Source: GBIF | Global Biodiversity Information Facility

Care

Imitator Blennies are relatively easy to care for, making them suitable for aquarists with some experience. They thrive in reef aquariums with plenty of live rock, which provides both food sources and hiding places. These blennies are known for their curious nature and will often explore their surroundings, making them a lively addition to any tank.

A tank of at least 100 liters (26 gallons) is recommended to accommodate their active lifestyle and provide ample space for exploration. Stable water conditions with proper filtration and regular maintenance are essential for their well-being.

Diet and Feeding

Imitator Blennies are herbivores, primarily feeding on algae. In captivity, they should be offered a diet rich in marine algae, supplemented with high-quality vegetable-based flakes or pellets. Offering a variety of foods helps ensure they receive all necessary nutrients.

Feed them once or twice a day, providing only as much food as they can consume in a few minutes to prevent overfeeding and maintain water quality.

Behavior and Compatibility

Imitator Blennies are generally peaceful and can coexist with a wide range of reef-safe fish and invertebrates. They are known for their playful and inquisitive nature, often seen darting in and out of crevices and exploring their environment.

While they are not aggressive, they can be territorial towards other blennies or similarly shaped fish, especially in smaller tanks. Providing ample hiding spots and maintaining a suitable tank size can help reduce territorial disputes.

Symbiosis

Although the Imitator Blenny does not form traditional symbiotic relationships, its mimicry ability allows it to blend in with other fish species, providing a unique form of protection and integration within the reef community.

Health and Common Issues

Imitator Blennies can live for several years in captivity with proper care. Ensuring a diet rich in marine algae and maintaining stable water conditions are crucial for their health.

When selecting a Imitator Blenny, look for individuals with clear eyes, vibrant coloration, and active behavior. Avoid fish that appear lethargic or have visible signs of disease.

Common health issues include skin infections and parasitic infestations. Regular water changes and maintaining good water quality can help prevent these problems. Quarantining new additions is also recommended to avoid introducing diseases.

Habitat

The Imitator Blenny is native to the Indo-Pacific region, often found in coral reefs and rocky substrates. They prefer shallow waters with abundant algae growth, which provides both food and shelter.

In captivity, replicating their natural habitat with live rock and algae growth is beneficial for their health and well-being. Providing a variety of hiding spots and crevices will encourage natural behaviors and help them feel secure.