Starry Blenny
Starry Blenny
Buy now, pay later
Split your purchase into smaller payments with the provider you prefer. Pick your plan at checkout.
Checking out with Shop Pay? The Shop Pay screen only offers Shop Pay Installments. To pay with PayPal, Klarna, or Affirm, select Check out as guest to see every payment option, or use the PayPal button in your cart.
Shop Pay Installments
- 4 interest-free payments every 2 weeks on orders from $50 to $999.99
- 2 interest-free payments on orders from $35 to $50
- Monthly plans on orders from $150
- Check out with Shop Pay, then choose an installment plan
Payment options are offered by Affirm and are subject to an eligibility check and might not be available in all states. Monthly plans may include interest (0–36% APR). CA residents: Loans by Affirm Loan Services, LLC are made or arranged pursuant to a California Finance Lender license.
Learn more about Shop Pay Installments
PayPal Pay Later
- Pay in 4: 4 interest-free payments every 2 weeks on purchases from $30 to $1,500
- Pay Monthly: 3 to 24 monthly payments on purchases from $49 to $10,000
- Select PayPal in your cart or at checkout, then choose Pay Later
Pay in 4 is available to consumers upon approval and is not currently available to residents of MO. Pay Monthly is subject to consumer credit approval, with a fixed APR of 9.99–35.99%. The lender for Pay in 4 is PayPal, Inc. (NMLS #910457). The lender for Pay Monthly is WebBank.
Learn more about PayPal Pay Later
Klarna
- Pay in 4: 4 interest-free payments every 2 weeks on orders of $35 or more
- No interest or fees when you pay on time
- Choose Klarna as your payment method at checkout
Klarna Pay in 4 is subject to approval and isn't available in Hawaii, U.S. territories (excluding Puerto Rico), or for APO/FPO/DPO addresses. Late fees may apply.
Learn more about Klarna
Affirm
- Pay in 4: 4 interest-free payments every 2 weeks on eligible orders from $50
- Monthly plans with rates from 0–36% APR based on credit
- No late fees or hidden fees
- Choose Affirm as your payment method at checkout
Payment options through Affirm are provided by these lending partners: affirm.com/lenders. Your rate will be 0–36% APR based on credit and is subject to an eligibility check. Affirm Pay in 4 is 0% APR. Options depend on your purchase amount and may vary by merchant. A down payment may be required. CA residents: Loans by Affirm Loan Services, LLC are made or arranged pursuant to a California Financing Law license.
Learn more about AffirmGoes well with:
5 Day Guarantee
Reef Guard Covers You
Ships Overnight
Only FedEx Priority
Expert Support
We've got your back!
FAQs Answers to the most common questions.
How large an aquarium does an adult Starry Blenny need?
A 30-gallon aquarium is the accepted minimum for an adult, though published recommendations vary and some references call for considerably more volume. What matters most is mature, algae-covered rockwork and enough territory for one grazing fish.
Can a Starry Blenny survive on aquarium algae alone?
It requires abundant microalgae and filamentous algae to graze on, but supplemental vegetable-based foods, Spirulina, nori, and herbivore preparations should also be offered. Acceptance of prepared foods varies by individual, so monitor body condition closely.
Can two blennies be housed together?
Keeping one per aquarium is the safest plan, since this species may become territorial toward other blennies and similarly shaped algae grazers. A compatible male-female pair can sometimes be maintained in a larger aquarium.
All listed sizes are approximate, not guaranteed, and may vary slightly.
Introduction to Starry Blenny (Salarias ramosus)
The Starry Blenny is a hardy and personable algae-grazing fish known for its dark body covered in white “star-like” spots and expressive behavior. Native to Indo-Pacific reefs, these blennies spend most of their time perched on rockwork, hopping between surfaces while grazing on algae. Their constant activity and unique personality make them a favorite for reef aquariums, especially for hobbyists looking to add both utility and character to their tank.
Care Requirements
Care Level: Easy to Moderate
Minimum Tank Size: 30+ gallons
Aquarium Setup: Requires mature live rock with natural algae growth and plenty of perching spots
Starry Blennies do best in established aquariums where they have access to natural algae. They prefer rockwork with plenty of surface area for grazing and resting.
Diet & Nutrition
Starry Blennies are primarily herbivorous grazers but will accept a variety of foods in captivity.
Diet: Herbivorous – Primarily algae-based diet
Recommended Foods:
- Natural algae growing on rock and glass
- Spirulina-based flakes or pellets
- Algae sheets (nori)
- Occasional frozen foods like mysis shrimp
While they help control algae, supplemental feeding is often needed once natural algae levels decline.
Lifespan & Growth Rate
Lifespan: 3–5+ years
Growth Rate: Moderate – Typically reaches around 5–6 inches
They grow steadily and maintain an active presence in the tank throughout their lifespan.
Temperament & Compatibility
Temperament: Semi-Aggressive – Can be territorial toward similar fish
Reef Safe? Yes – Does not harm corals
Starry Blennies are generally peaceful with most tankmates but may show aggression toward other blennies or fish with similar body shapes. They are well-suited for community reef tanks with proper stocking.
Common Challenges & Considerations
- Algae Dependence: Requires a consistent source of algae or supplemental feeding
- Territorial Behavior: May become aggressive toward similar species
- Perching Behavior: Needs stable rockwork for resting and grazing
- Can Nip Occasionally: Rarely may nip at clam mantles or certain corals if underfed
Water Conditions
Temperature: 75–77°F
dKH (Alkalinity): 8–12
pH: 8.1–8.3
Specific Gravity: 1.024–1.026
