SKU: 57103585928

Barnacle Blenny Acanthemblemaria Macrospilus

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Description

Barnacle Blenny Acanthemblemaria MacrospilusOverview The Barnacle Blenny is a charismatic and quirky marine fish known for its comical expressions, darting movements, and fascinating behavior. These small, tube dwelling blennies are often seen poking their heads out of barnacles, rock crevices, or coral holes, making them highly entertaining to observe. Despite their small size, they exhibit big personalities, often showing curiosity and territorial displays toward nearby fish or even their

Overview
The Barnacle Blenny is a charismatic and quirky marine fish known for its comical expressions, darting movements, and fascinating behavior. These small, tube-dwelling blennies are often seen poking their heads out of barnacles, rock crevices, or coral holes, making them highly entertaining to observe. Despite their small size, they exhibit big personalities, often showing curiosity and territorial displays toward nearby fish or even their keepers.
Origin
Native to the Eastern Pacific Ocean, Barnacle Blennies are most commonly found along the coastlines of Mexico, particularly in the Gulf of California. They inhabit shallow reef environments and rocky intertidal zones, often sheltering in empty barnacle shells or other small crevices in coral rubble and rocky substrates.
Feeding
In the wild, Barnacle Blennies feed primarily on zooplankton and other tiny organisms drifting in the water column. In captivity, they accept a range of finely sized meaty foods:
Live or frozen mysis shrimp
Baby brine shrimp
Copepods
High-quality marine micro pellets
Finely chopped seafood or enriched frozen blends
Feed small amounts 1–2 times daily, making sure food drifts near their hiding spots for easy capture.
Tank Mates
Barnacle Blennies do best in peaceful, reef-safe community tanks with other non-aggressive species. Ideal tank mates include:
Gobies
Clownfish
Cardinalfish
Dwarf wrasses (peaceful species)
Small reef-safe invertebrates (such as cleaner shrimp)
Avoid housing them with large or highly territorial species, especially those that may compete for similar shelter or harass the blenny in its burrow.
Aggression
While generally peaceful, Barnacle Blennies can be territorial—particularly toward other blennies or fish that invade their space. They may display fin-flaring or quick lunges from their burrow to intimidate rivals. It's best to keep only one Barnacle Blenny per tank unless housed in a very large system with ample hiding spots.
Experience Level
Beginner to intermediate. Barnacle Blennies are hardy and relatively undemanding as long as they have appropriate hiding spots and stable, clean water. Their unique behavior makes them a favorite for nano reef tank enthusiasts and seasoned aquarists alike.
Water Parameters
Temperature: 22–27°C (72–80°F)
pH: 8.1–8.4
Salinity: 1.023–1.025
dKH: 8–12
Tank Size: Minimum 10 gallons (nano reef suitable, with strong emphasis on available hiding spots)
Special Notes
Provide multiple small crevices, shells, or barnacle clusters as shelter.
They spend most of their time in their burrow, darting out to feed or chase away intruders.
They are reef-safe and won’t harm corals or invertebrates.
Their expressive faces and peeking behavior make them highly entertaining additions to a reef aquarium.
Shipping Notes
  • Free Standard Shipping on $100+ Orders to the USA.
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Exchange/Return Notes
  • We offer a 30-day return/exchange service after receiving.
  • Final sale items are not eligible for returns or exchanges.
  • To process your return/exchange, please contact us at [email protected]
  • Please click here for more details>>> Return & Exchange Policy
SKU: 57103585928

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4.1 ★★★★★
Based on 16 reviews
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heather
Massapequa, US
★★★★★ 5
Good product
Size: 2.5", Style: Closed Hooks
Strong magnets that stay on wall once applied. Definitely holds the weight that it says it holds on the product. Good size to hold my halters in my barn. Would buy again and I think the price was a little high for this product, but it was worth the purchase.
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Reviewed in the United States on May 26, 2026
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Verified Purchase
P. Fuller
Chelsea, US
★★★★★ 5
Versatile and Sturdy Storage Solution
Size: 2.5" & 4" - 4 Pack, Style: Open Hooks, Size: 2.5" & 4" - 4 Pack, Style: Open Hooks
The GATOR MAGNETICS Open Storage Hook has been a great (pricey) solution for adding hooks that are strong and useful. Its simple yet robust design makes it incredibly versatile for various uses around the house. The hook feels sturdy and durable, capable of holding a surprising amount of weight without bending or warping. Installation is as easy as blinking your eyes; the really strong magnets allow for easy attachment to any magnetic surface, and the hook remains securely in place. I've used it for hanging lights and bags in my office and bedroom, providing a neat and accessible storage solution in any setting. The open design ensures quick access to items without the hassle of removing them from a closed loop, which is a fantastic convenience. The magnet seems to be protected well enough with a rubber surface so that I don't have to worry about damaging my tables that I have attached these hooks. In terms of value for money, this storage hook is pricey but no competition that I've seen with the same level of durability and convenience. I'm impressed by its performance and versatility, making it a must-have for anyone looking to organize their space efficiently. Pros: Sturdy and durable build quality Easy magnetic installation on metal surfaces Versatile usage for multiple items Convenient open design for quick access Doesn't damage surfaces Cons: None that I've encountered so far! (Maybe price?) Overall, I highly recommend the GATOR MAGNETICS Open Storage Hook for its durability, versatility, and exceptional functionality. It's a small investment that brings significant organization and efficiency to any space.
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Reviewed in the United States on November 21, 2023
R
Verified Purchase
Roy Cox
West Palm Beach, US
★★★★★ 5
Amazingly strong and versatile
Size: 2.5" & 4" - 4 Pack, Style: Open Hooks
I saw these advertised on Instagram and immediately purchased a 4 pack. I really wanted them to work but after trying them on 4-5 different steel surfaces I couldn't'[t get any of them to stick well or hold anything heavier than a wet towel. Maybe a bad batch? A shame. The company took the time to reach out to me after seeing my first review where the hooks wound stick to metal poles in my studio. I definitely was not expecting them to reach out to address my issues with the hooks I purchased and returned. After trying the new replacement hooks out I now could not be more impressed! They are strong, well made and easy to use. The hooks and the magnetic baskets are phenomenal and I highly recommend them. I did a test with the hooks, which held a 75 lb weight with no issues on the side of a craftsman tool box! It seems that any early product issues are fixed. The customer service is fantastic and they really took the time to address the issues and keep their customers coming back happy. Well done! Gator Magnetics is definitely a class act in my book!
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Reviewed in the United States on April 15, 2024
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Verified Purchase
darren
Grantham, US
★★★★★ 5
Easy to use!
These work great for a metal workshop! Holds up my 6ft ladder and pressure washer hose with ease. Definitely recommend
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Reviewed in the United States on April 20, 2026
M
Verified Purchase
Mark Archer
Alexandria, US
★★★★★ 4
25 lb hanger doesn’t hold my Echo trimmer
Size: 4" - Red, Style: Open Hooks, Size: 4" - Red, Style: Open Hooks
Purchased the holders for my Echo trimmer and hedger but the tines are not long enough to hold the Echos. A picture in the description shows a gas powered unit hanging which is why I bought the hangers. Buy the larger 45 lb hanger for trimmers. Nice hook but I’ll probably send them back if i can’t find a use for them soon.
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Reviewed in the United States on November 30, 2025

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