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5 Gallon Nano Tank Fish

Top 6 Best Saltwater Fish for 5-Gallon Nano Tanks | PNW Tiny Tank Guide | Hilary Jaffe

Finding the right livestock for a nano or pico aquarium can be a challenge, as most research suggests a 10-gallon minimum for even the smallest species. In this episode, Hilary breaks down six perfect saltwater fish candidates that stay small enough to thrive in a 5-gallon "Small In One" system. From the vibrant Neon Goby and the symbiotic Yasha Goby to the personality-packed White-Spotted Pygmy Filefish, we explore unique fish that offer incredible colors and fascinating behaviors without outgrowing their habitat. Whether you're interested in the "busybody" Barnacle Blenny or the hardy Gumdrop Coral Crusher, this guide helps you choose reef-safe inhabitants that make your tiny tank the star of the show.

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  • Salinity Refractometer - Generic

    Salinity Refractometer - Generic

    All Misc Brands
    $19.99
    It is designed for testing the concentration of salt water and brine and used for quality control in research and clinical laboratories and marine industry. Its scale provides a direct reading of the specific gravity and concentration (part per Thousand)...
  • Fritz PRO RPM Salt Mix Bag (14 lbs - Makes 50 Gallons) - Fritz Aquatics

    Fritz PRO RPM Salt Mix Bag (14 lbs - Makes 50 Gallons) - Fritz Aquatics

    Fritz Aquatics
    $29.24
    Fritz ProAquatics Reef Pro Mix (RPM) is manufactured using only the highest quality raw materials. Formulated by researchers and marine scientists, RPM contains all of the necessary major and minor elements of natural sea water that are utilized by...
  • Arag-Alive Special Grade Reef Sand (10 lb) 1.0 - 2.0 mm - Caribsea

    Arag-Alive Special Grade Reef Sand (10 lb) 1.0 - 2.0 mm - Caribsea

    Caribsea
    $19.11
    You can now bring the world’s most exotic reefs into your home with CaribSea’s Arag-Alive!™ substrates. Eight environmentally accurate ecoscapes, developed through CaribSea’s cooperation with public aquariums and zoological parks...
  • On Sale 20%
    Captive-Bred Neon Goby (Elacatinus oceanops) - ORA
    On Sale 20%

    Captive-Bred Neon Goby (Elacatinus oceanops) - ORA

    ORA
    $30.99
    $24.79
    Neon Gobies are found in Florida and the Caribbean Sea, and are one of the most recognizable and popular saltwater aquarium fish. It is well documented that this fish is a cleaner species that picks parasites and other debris from the mouth, gills and...
  • 25 Watt Jager TruTemp Submersible Aquarium Heater - Eheim

    25 Watt Jager TruTemp Submersible Aquarium Heater - Eheim

    EHEIM
    $29.95
    With the EHEIM precision heater your fish receive exactly the right temperature – in any aquarium. Obvious ideas often are the best ones. For example, the aquarium heater as a rod. The heating rod is simply hung in the water and heats it. It is...
  • On Sale 20%
    Captive-Bred Whitespotted Pygmy Filefish (Rudarius ercodes) - ORA
    On Sale 20%

    Captive-Bred Whitespotted Pygmy Filefish (Rudarius ercodes) - ORA

    ORA
    $59.99
    $47.99
    Naturally found in seagrass beds off the coast of Japan, the ORA Whitespotted Pygmy Filefish is a diminutive addition to the peaceful marine aquarium. Growing only 3” long from their pouty colored lips to its paddle-like tail, this speckled fish...
  • LifeRock Dreamscapes Assortment (5-15 Gallon Tank) -  Caribsea

    LifeRock Dreamscapes Assortment (5-15 Gallon Tank) - Caribsea

    Caribsea
    $96.75
    This box has everything you need to make a beautiful aquascape and there are so many ways to arrange them for a 5-15 Gallon Tank. 5-15 Gallon Kit Contains: 1x Branch Cluster 1x Arch 1x Ledge 5x lbs of Original Liferock Base...
  • Glass Small-In-One XL 5 Gallon Desktop Aquarium - PNW Custom

    Glass Small-In-One XL 5 Gallon Desktop Aquarium - PNW Custom

    PNW Custom
    $269.00
    Introducing the NEW GLASS Small-In-One XL! This 5 Gallon Desktop Aquarium is the perfect companion for your home or office! Tailored towards the beginner who wants to get started in the saltwater hobby and full-blown experts alike, the PNW Custom Glass...