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Fish For 20 Gallon Tank

157 products
Yellow Angler
(Antennarius maculatus)
Starting at $89.99
…Yellow Angler enjoys perching on coral ledges and requires a tank of at least 20 gallons. These Anglers are a hardy aquarium member but not recommended for beginners.The Yellow Angler feeds by ambush, lying in wait for an unsuspecting fish or crustacean to go by, and then lunging forward, grabbing…
Marlieri Cichlid
(Julidochromis marlieri)
Starting at $15.99
…to the appeal of these fish. The Julido Marlieri Cichlid is ideally kept in a 30-gallon or larger aquarium decorated with plenty of rocks and caves in order to provide adequate hiding places for these territorial fish. They prefer hard water with an alkalinity of 10 to 20 dKH and a pH of 8.0 to 9.0.…
Real Reef Eco Friendly Natural Rock
(Calcium Carbonate)
Starting at $174.99
…Reef" reef rock in 20 lb boxes containing pieces ranging in size from 5 to 7 for smaller display aquariums. Our 40lb box will contain larger sized pieces ranging from 5 to 16 for larger display aquariums. The recommended weight per gallon is between 1-1/4 to 1-3/4 lbs. For aquascaping, it is…
Bleeding Heart Tetra
(Hyphessobrycon erythrostigma)
Starting at $4.99
…near the gills gives this South American fish a "bleeding heart" look. Perfect for the community aquarium, this hardy tetra will be a great choice for the beginner to the expert aquarist.A planted tank of at least 20 gallons will be the ideal environment for this tetra. Rocks and driftwood help…
Cobalt Aquatics 18 Gallon C-Vue Aquarium
Starting at $19.99
for exceptional clarity The C-Vue all-in-one aquariums are the ultimate base platform that beginning hobbyists and hardcore fish geeks alike can use to create any aquarium style. Create the aquarium of your dreams filled with discus to dwarf cichlids, reefs, or plants. The Cobalt Aquatics 18 Gallon
Fireball Angelfish
(Centropyge aurantonotus)
Starting at $119.99
…systems since it is prone to nip at stony and soft corals (sessile invertebrates) and clam mantles. It requires a 20 gallon or larger tank with multiple hiding places and live rock for grazing.The diet should include Spirulina, marine algae, high-quality angelfish preparations, mysis or frozen…
Wartskin Angler
(Antennarius maculatus)
Starting at $199.99
…the Wartskin enjoys perching on coral ledges and requires a tank of at least 20 gallons. The Wartskin Angler is a hardy aquarium member but not recommended for beginners.The Wartskin feeds by ambush, lying in wait for an unsuspecting fish or crustacean to go by and then lunging forward, grabbing and…
Freshwater Neon Blue Goby
(Stiphodon sp.)
Starting at $24.99
for the Neon Blue Goby, aquascape with ample amounts of river rocks of varying size and shape to replicate a tumbled streambed. Algae and other food items growing on or encrusting the river rock is an essential food source that offers beneficial foraging activity. A recommended minimum tank of 20
German Gold Ram
(Mikrogeophagus ramirezi)
Starting at $10.99
…a tank of 20 gallons, minimum. The tank should have several dense plant groups and plenty of open swimming space. The German Gold Ram will also need a few caves in which to hide in and stones to spawn on. Being a peaceful fish, the German Gold Ram makes a wonderful addition to the community tank.
Gray (Black) Angelfish
(Pomacanthus arcuatus)
Starting at $79.99
…black with yellow stripes.The Gray Black Angelfish is hardy, and can reach a length of 20 inches as an adult. It therefore requires a 250 gallon or larger tank. The tank should contain large amounts of live rock for hiding and grazing. Gray Black Angelfish is prone to nip at stony and soft corals…
Link's Goby, Captive-Bred, Biota
(Amblygobius linki)
Starting at $15.99
…of sand in their search for food. They have horizontal black and white stripes extending along the length of its body. Link s Gobies are generally peaceful fish that will aid in keeping your sand bed aerated and clean. It should be housed in an established 20 gallon or larger aquarium with plenty…
Gold Severum
(Heros serverus)
Starting at $6.99
…The Gold Severum is a trusting fish, and will often accept food directly from their owner's hand.The Gold Severum requires a 55 gallon or larger tank that is at least 40 inches long and 20 inches tall. The larger the tank the better. They prefer a lightly-planted tank with a soft bottom and a few…
Opaline Gourami
(Trichogaster trichopterus)
Starting at $2.19
…variety of tank mates that are of similar size and temperament. While males can be territorial with each other, they become timid around other, more aggressive fish. The ideal tank set-up would be a minimum of 20 gallons and have plenty of live plants as well as rocks and driftwood for use as hiding…
Jeweled Moray Eel
(Muraena lentiginosa)
Starting at $109.99
…rock for hiding is ideal for the Jeweled Moray. Most of the eels that are lost in an aquarium are due to poorly sealed tanks. These eels are very aggressive in the aquarium, and will eat any fish, crustacean or other eel that it can swallow. The Jeweled Eel is a nocturnal predator, ambushing fish
Green Cobra Guppy (Pair)
(Poecilia reticulata)
Starting at $5.99
…it an excellent fish for beginning hobbyists. The Green Cobra male has a vibrant green body with a snakeskin pattern. The tail fin is patterned with yellow and black. The Green Cobra Guppy requires a tank with at least 20 gallons of water, and is very tolerant of changing tank conditions. Plants…