Are Rasboras Schooling Fish?

School of Harlequin Rasboras Near Top of 29 Gallon Tank

Rasboras feel safer being together; in the wild, they are mostly found in schools. In aquariums, they may swim in a school, where all fish movement is coordinated in the same direction, or in a shoal, where swimming is social interaction, and they swim freely but close to each other. Let’s look at rasboras’ schooling … Read more

How Many Rasboras In A 10 Gallon Tank?

School of Harlequin Rasboras with Angelfish in Background

A 10-gallon tank is too small for housing rasboras permanently. In theory, you could keep 2 or 3 rasboras in a 10-gallon tank, but because these fish are very active swimmers, they need more tank space to stay happy and healthy.  However, because rasboras are schooling fish, it is best to keep them in groups … Read more

Are Rasboras Tetras?

Close Up View of Harlequin Rasbora from Side

Rasboras are not tetras. Rasboras are Cyprinids, while tetras are Characids, and these families come from different areas. These tropical freshwater fish have similar needs and are often kept together. Rasboras and tetras are common aquarium fish kept because of their hardiness, small size, and peaceful nature.  Tetras and rasboras are often mentioned when people … Read more

How Many Rasboras In A 5-Gallon Tank?

School of Harlequin Rasboras Near Top of Water

A 5-gallon tank is too small to keep rasboras. Rasboras only require 4 to 5 gallons of tank space per fish, but they are schooling fish, which means you need a minimum tank size of 20 to 35 gallons so you can accommodate 5 to 7 individuals. Though rasboras (Rasbora spp.) are small, they need … Read more

Are Rasboras Livebearers?

Two Harlequin Rasboras from Side

Rasboras aren’t livebearers. They lay eggs to reproduce, which the male fish then cover with their seed. Rasbora eggs float from the top of the tank, sticking to the leaves bottom while incubating. Rasboras typically lay between 25 to 100 eggs at a time. The fry hatch within 24 hours.  If you want your rasboras … Read more

Are Rasboras Hardy Fish?

Harlequin Rasboras in Front of Plants

Rasboras fish are hardy due to them having adapted to their natural environment. The natural environment has them living in water sources that sometimes have a pH level of 4.0 or lower with minimal sunlight. As such, they have evolved to safeguard against these conditions.  This article will detail all there is to know about … Read more

Are Rasboras Fin Nippers?

Group of Harlequin Rasboras

Rasboras typically aren’t fin nippers. However, it’s possible they can nip the fins of their tank mates when their aquarium doesn’t provide the ideal conditions for them to thrive.  Because rasboras aren’t known to be fin nippers, it can signify that something is wrong when they do start nipping each other’s fins or the fins … Read more

Are Rasboras Easy To Care For?

Harlequin Rasbora Close Up

Most rasboras are easy fish to keep, and they do well in most community tanks due to their peaceful nature. Species such as the harlequin, chili, and blackline rasboras are hardy fish and are generally easy to care for.  People keep many species of rasboras in aquariums, but one of the most common starter fish … Read more

Are Rasboras Aggressive?

Harlequin Rasbora In Front of Plant Leafs with Algae

Generally speaking, Rasboras are a non-aggressive species, and it is out of character if you see a rasbora acting aggressively. However, there are times when they will show aggression or try to establish dominance, like when they are spawning or when a new dominant male is introduced to the tank. One of the problems people … Read more