Quick answer: Vampire crabs (Geosesarma species) are tiny, colorful freshwater crabs from Southeast Asia with a body about 1 inch (2.5 cm) wide and a lifespan of around 2 years. They are not aquarium animals. They live mostly on land, so they need a paludarium that’s about 70 to 80 Read more
Quick answer: The galaxy rasbora, also sold as the celestial pearl danio (Danio margaritatus), is a tiny nano fish from Myanmar that grows to about 1 inch, lives 3 to 5 years and does well in a planted 10 gallon or larger tank at 72 to 76 F. Keep at Read more
Quick answer: The pygmy corydoras (Corydoras pygmaeus) is the tiniest, most charming cory catfish you can keep. At about an inch long it is peaceful, active, and perfect for nano tanks, and unlike most cories it spends a lot of its time hovering in midwater like a little underwater hummingbird Read more
Quick answer: The honey gourami (Trichogaster chuna) is one of the best beginner centerpiece fish you can buy. It is small, peaceful, hardy, and a soft golden color, a single one is happy in a 10 gallon, it eats almost anything, and it gets along with most calm community fish. Read more
Quick answer: The best algae eater fish for most freshwater tanks are the otocinclus, the bristlenose pleco, and the true Siamese algae eater. For small tanks, shrimp and snails like Amano shrimp and nerite snails often do the job better than any fish. No algae eater keeps a tank clean Read more
Quick answer: A nerite snail that hasn’t moved for a day or two is almost always fine. Nerites graze mostly at night and can sit in one spot for several days, and new snails often stay still for up to a week while they settle in. Check four things before Read more
Quick answer: The Amano shrimp (Caridina multidentata, sold for years as Caridina japonica) is one of the best algae-grazing shrimp you can add to a freshwater tank. It’s hardy, peaceful and bigger than most aquarium shrimp, around 1 to 2 inches, and it spends all day picking soft algae, biofilm Read more