25% Off sword plants thru 10/1! •Free shipping for non-fish orders over $100.


Your Cart is Empty

Cobalt Blue Dwarf Goby | Stiphodon semoni

Cobalt Blue Dwarf Goby

Ready to add some vibrant color to your tank? Introducing the Cobalt Blue Dwarf Goby, a stunning fish that will bring life and character to your aquarium. With a beautiful deep blue hue, especially evident in males as they age, this species is ideal for shrimp aquariums! Easy to care for and peaceful, these gobies eat mainly biofilm and algae, making them the perfect companions for small rasboras, tetras, loaches, and other small fish. Get your Cobalt Blue Dwarf Goby today!

What are they like?

Cobalt Blue Dwarf Goby is a peaceful, small fish that is perfect for any home aquarium. They are generally very friendly and peaceful, making them a great addition to any tank. They are also safe to keep with shrimp and other small aquatic creatures, so they make an ideal choice for those who want to keep a variety of species in their tank.

For whom is the Blue Cobalt Blue Dwarf Goby suited?

The Blue Cobalt Blue Dwarf Goby is a great beginner fish for those looking to start a community tank. It is an easy-to-care-for fish that can provide both beauty and interest to the tank. Its unique colors and behavior make it stand out from other fish, making it a great choice for those just starting out in the hobby. Not only is it easy to care for, but its peaceful nature makes it suitable for most community tanks.

The ideal conditions for the Blue Cobalt Blue Dwarf Goby

The Cobalt Blue Dwarf Goby is a unique species of fish that is found in nature inhabiting the fastest-flowing stream and living above waterfalls. They require oxygen rich water to survive. They prefer river rocks in their aquascape to simulate their natural habitat, although this is not require. In addition, they are sensitive to fluctuations in water parameters, so it is important to maintain a seasoned and stable tank for their survival. All these conditions make it important for aquarists to create an ideal habitat for the Cobalt Blue Dwarf Goby in order to ensure their survival and health.

Please Note: All fish shipments have a 100% Live Arrival Guarantee when shipping with Overnight (1 Day) option. All other options void our Live Arrival Guarantee for fish. 

What we feed our Gobies

The Cobalt Blue Dwarf Goby is an algae and biofilm grazer, and so these foods should be readily available to ensure their long-term health and happiness. A Goby enjoys plant based foods. We supplement their diet with a mix of fresh vegetables and Northfin Veggie, Community, Bug Pro, and Northfin Kelp Wafers to ensure a balanced and nutritious diet. We also feed our Gobys prepared algae wafers and let them graze on natural algae and bio-film. This can be supplemented by using Bacter A.E. which can be found by clicking here.

Our Tank Parameters

  • Ph: 5.5 to 7
  • Gh: 8 to 16
  • Kh: 4 to 8
  • TDS: 180 to 250
  • Temp: 70 to 74

Customer Reviews

Based on 9 reviews

Fish came in all alive and look awesome. Very happy....

Cobalt Blue Dwarf Goby awesome fish!!

These are cute little instigators of fun in an aquarium! They are all over the place and love to play.

Connor Baker


James McGovern

The Goby is great. Prettiest fish in my clean up crew, fun to watch dart around. All fish and
plants arrived great shape and doing well.

K Collins
Cute Goby

Arrived super healthy and fits right in with his friends in our community tank.