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Blue Gudgeon Dartfish

$27.99

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The Blue Gudgeon Dartfish, commonly known as the Blacktail Goby or Blacktail Dartfish is a native of the coral reefs of Fiji. They sport an elongated body that is light blue or green in appearance, with a noticeable streak of black on the back. They love being together and make excellent fish to have in fish only or reef aquariums. It is recommended to place it in a 30 gallon or greater aquarium that has plenty of coral rubble. It requires ample space to swim with a bottom of sand for burrowing. It might try to leap from the aquarium or any other opening which is why a tight fitting lid is needed. It is rare for it to be aggressive towards other fish. It feeds on prey that is suspended inside the column however, it will also eat food from the substrate too. Blue Gudgeon Dartfish feeds on mysis shrimps, brine shrimp, table shrimp, and frozen carnivore food preparations. It is recommended to feed it at a minimum of three times per day.   Approximate Purchase Size: 2" - 4-1/2"  
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General information regarding Blue Gudgeon Dartfish The Blue Gudgeon Dartfish originates from the reefs of Fiji. They sport an elongated body and are very pale green or blue in appearance, with a noticeable streak of black on their tail. They love being in pairs and are a great fish to have in a fish-only and reef tank. It is best to keep it in an aquarium that has plenty of loose coral rubble. It also requires plenty of space for swimming and a sand bottom to burrow. It could try to leap out of the tank or through other tiny openings and a secure lid is needed. It is rare for it to become aggressive with other fish.  
size
Large, Medium, Small
Units
1
Weight
6 lbs

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Frequently Asked Questions
Is hiring a professional necessary to set up a saltwater aquarium?

As a general rule, a larger custom aquarium might require installation by a professional. However, a kit from our online fish store is relatively affordable and beginner friendly. That means you should have no problem setting it up yourself.

Which saltwater aquarium fish should you choose when starting out?

Consider a yellow tang fish. This popular saltwater aquarium fish does a great job of coexisting with other types of fish you’ll find in our online fish store.

How does a saltwater aquarium differ from a freshwater one?

Saltwater aquariums require a bit more maintenance and monitoring than freshwater tanks. Different fish require different levels of salinity, pH tolerances, and temperature requirements. They also require specialized pumps, filters, and other equipment that can handle salt. We can guide you through everything you need to know to set up a healthy, thriving reef tank.

Do fish in a saltwater aquarium swim in a school?

That depends on the species. However, if it’s a fish that swims in a school in the wild, they’ll do the same in an aquarium. Some fish that swim in schools include the green and blue chromis, cardinalfish, and dartfish, for example. When ordering from an online fish store, make sure you do your research on how specific fish species behave to ensure they’ll school (or at least coexist) with your current fish.

Is the effort required to maintain a saltwater aquarium worth it?

Yes! Many aquarists dream of owning thriving saltwater aquariums. You have a tiny piece of the ocean in your home, featuring magical and exotic fish that can only survive in saltwater.