Segmented Sailfin Blenny

Salarias segmentatus

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Segmented Sailfin Blenny
Salarias segmentatus, or the Segmented Sailfin Blenny, charms with its unique, striped appearance and lively personality. Easy to care for, it thrives in tanks with plenty of rockwork. A delightful addition, bringing character and color to any saltwater setup.

Segmented Sailfin Blenny

Salarias segmentatus

(0 Reviews)

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Segmented Sailfin Blenny Care Facts

Care Level: Easy
Temperament: Peaceful
Diet: Herbivore
Origin: Eastern Asia
Acclimation Time: 2+ hours
Reef Safe: Yes
Minimum Tank Size: 30 gallons
Max Size: 4 inches

The Sailfin Segmented Blenny (Salarias segmentatus) has a primarily reddish brown body with green stripes, with some having spots along its face and pectoral region. They grow to a maximum size of 4 inches and graze for algae or plant matter to consume during the day. They are peaceful and should be kept with fish of similar size and temperament. 


Segmented Sailfin Blenny (Salarias segmentatus) - A Captivating Addition to Your Saltwater Marine Aquarium

The Segmented Sailfin Blenny (Salarias segmentatus), a small and fascinating marine fish, has become a popular addition to saltwater marine aquariums. This detailed product description will cover various aspects of keeping this species in your home aquarium.


Habitat of the Segmented Sailfin Blenny:


Segmented Sailfin Blennies are commonly found in the Western Pacific Ocean, primarily in the tropical coral reefs. They prefer shallow, rocky areas with ample crevices and overhangs. This habitat preference should be replicated as closely as possible in your aquarium setup to ensure their well-being.


Reef Compatibility of Segmented Sailfin Blenny:


The Segmented Sailfin Blenny is generally considered reef-safe. It won't harm corals or other invertebrates. They often form a symbiotic relationship with various species of cleaner shrimp, offering your reef tank an added layer of biological diversity.


Size and Lifespan of Segmented Sailfin Blenny:


These blennies are relatively small, typically growing to an average size of 4-5 inches in captivity. They can have a lifespan of 4-6 years with proper care, making them a long-term addition to your marine aquarium.


Diet in Captivity:


Segmented Sailfin Blennies are omnivorous, and their diet should include a mix of algae, including marine-based greens and microalgae. Supplement their diet with small meaty foods like brine shrimp, mysis shrimp, and high-quality marine pellets to ensure they receive a well-balanced nutritional intake.


Aquaculture Availability:


The Segmented Sailfin Blenny was occasionally available through aquaculture efforts, though it was more commonly harvested from the wild. However, this status may have changed, so it's advisable to check with reputable suppliers for the most current information on aquacultured availability.


Compatibility with Other Fish and Invertebrates:


Segmented Sailfin Blennies are generally peaceful and can coexist with various tankmates. They are reef-safe and can be kept with many invertebrates and small to moderately-sized fish species. Ensure tankmates are not overly aggressive, as the blenny's peaceful temperament can make it vulnerable to bullying.


Sexual Dimorphism of Segmented Sailfin Blenny:


Sexual dimorphism in Segmented Sailfin Blennies is not prominent. Males and females look very similar, making distinguishing between the sexes visually challenging.


Juvenile to Adult Coloration Changes of Segmented Sailfin Blenny:


Segmented Sailfin Blennies exhibit coloration changes as they mature. Juveniles typically have a more vibrant coloration with a mix of blues, oranges, and yellows. Their colors may become slightly muted as they mature, but they remain attractive and exciting additions to your tank.


Temperament of Segmented Sailfin Blenny:


These blennies are known for their curious and active behavior. They are not aggressive and often entertain aquarists with their acrobatics and playful nature. However, they may exhibit territorial behavior, so ensure ample hiding places for each blenny in a multi-species tank.


Tank Requirements for Segmented Sailfin Blenny:


To provide a suitable environment for your Segmented Sailfin Blenny, consider the following tank requirements:

  • Minimum Aquarium Size: A tank with a minimum size of 30 gallons is recommended to accommodate their natural behavior and swimming space.
  • Water Conditions: Maintain a stable environment with the following parameters:       
    • pH: 8.1 to 8.4
    • Salinity: 1.024 to 1.026
    • Water Temperature: 74-82°F (23-28°C)
    • Water Flow: Provide moderate water flow to simulate their natural habitat conditions without creating strong currents.

Common Names of Segmented Sailfin Blenny:


The Segmented Sailfin Blenny is also known by other common names, including Striped Blenny, Algae Blenny, and Rockskipper.


Five Compatible Tank Mates for Segmented Sailfin Blenny:

  • Firefish Goby (Nemateleotris magnifica): These colorful and peaceful gobies make great tank mates, as their behavior complements the Segmented Sailfin Blenny.
  • Clownfish (Amphiprion spp.): Clownfish are hardy and social, making them a suitable addition to your marine tank.
  • Cleaner Shrimp (Lysmata spp.): Cleaner shrimp can engage in a mutually beneficial relationship with the Segmented Sailfin Blenny, offering parasite removal and cleaning services.
  • Dartfish (Ptereleotris spp.): Dartfish are known for their vibrant colors and are relatively peaceful, making them compatible with the blenny.
  • Royal Gramma (Gramma loreto): These attractive fish are known for their vibrant purple and yellow coloration and peaceful disposition.

Why Choose Segmented Sailfin Blenny from is your trusted source for Segmented Sailfin Blennies due to our commitment to quality, sustainable practices, and customer satisfaction. When you purchase from us, you can expect:

  • Healthy Specimens: Our blennies are sourced from reputable suppliers and are meticulously cared for to ensure their health and well-being.
  • Sustainable Sourcing: We prioritize sustainable practices and responsible sourcing, promoting the protection of wild populations and the long-term health of the marine environment.
  • Expert Advice: Our team can answer any questions or concerns about your new Segmented Sailfin Blenny.



In conclusion, the Segmented Sailfin Blenny is an engaging and reef-safe addition to your marine aquarium. With proper care and attention to their habitat and dietary needs, these blennies can thrive for years in your tank, offering a unique and colorful presence in your underwater world. Choose for quality specimens and expert support in bringing this fascinating species into your aquarium.

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