Collection

Blennies

Blennies Collection

Premium Blennies for Sale in Australia

Hardy and Characterful Blennies for Marine Aquariums

Explore our Blennies Collection, featuring a wide range of blennies for sale in Australia. Known for their quirky personalities, expressive faces, and excellent algae-grazing behaviour, marine blennies are both entertaining and highly functional reef fish. They are a popular choice for aquarists looking to add personality and utility to their aquarium.

At Aquamarine Aquaristics, we supply high-quality marine fish for sale online in Australia, carefully selected for health, strong feeding response, and reliable reef compatibility.

Why Choose Blennies?

Fun, Functional Reef Fish with Algae Control Benefits

Blennies are small, hardy fish that often perch on rocks and corals, displaying unique behaviour and constant curiosity. Many species help control algae by grazing on rock surfaces, making them a valuable addition to reef maintenance. They thrive in stable reef environments with plenty of live rock for grazing and shelter.

Browse our Blennies collection to find entertaining, practical reef fish that bring both character and function to your marine aquarium.

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Availability

Husbandry

Care guide

Care difficulty

BeginnerModerateExpert
Beginner

Temperament

SkittishPeacefulSemi-agg.Aggressive
Semi-aggressive
Maximum size 15cm
0 cm 15 cm 30 cm

Minimum tank size

80 litres

Reef safe

Yes

Diet

Omnivore – Most Blennies feed on algae, biofilm, frozen foods, pellets, and herbivore preparations. Some species require established algae growth within the aquarium.

Compatible with

Clownfish

Gobies

Wrasse

Tangs

Cardinalfish

Anthias

Avoid these pitfalls

Common Mistakes to Avoid

please follow the path for success!

  • Many Blennies naturally graze throughout the day. Clean sterile tanks with little natural algae can lead to starvation in some species.

  • Blennies can become territorial towards other Blennies or fish with similar body shapes, especially in smaller aquariums.

  • Some Blennies are known jumpers, especially when startled or stressed. A lid or mesh cover is strongly recommended.

Help centre

Frequently asked questions

Find answers to common questions about our products and services

  • Yes, most Blennies are reef safe and make excellent additions to reef aquariums.

  • Many species do, especially Lawnmower and Starry Blennies, making them popular for algae control.

  • Some species may become territorial towards similar shaped fish or other bottom dwellers, particularly in smaller tanks.

  • Yes, many Blenny species are considered beginner friendly due to their hardy nature and entertaining behaviour.

Reviewed on Google

What our customers say

Trusted by aquarium enthusiasts across Australia

4.9 127 reviews

Sarah M.

2 weeks ago

Absolutely fantastic service! The corals arrived healthy and vibrant. The team really knows their stuff when it comes to marine life.

James T.

1 month ago

Best place for reef supplies in Australia. Fast shipping and excellent customer support. Highly recommend!

Emma K.

3 weeks ago

Great quality products and the care guides are incredibly helpful. My reef tank has never looked better!

Michael R.

1 week ago

Professional packaging and healthy livestock every time. These guys are the real deal.

Lisa P.

2 months ago

Amazing selection and expert advice. They helped me choose the perfect cleanup crew for my tank.

David W.

3 weeks ago

Top-notch service from start to finish. The team's knowledge and passion for marine aquariums really shows.