They’re a deep chested little fish with a coppery body marked on either side by a mutton chop-shaped brown marking. I love their sunset gold/copper coloration. Schooling/shoaling fish: yes, should be kept in a group of 5 or more.Minimum tank size: 20 gallon (76 liter).Harlequin Rasboras ( Trigonostigma heteromorpha) Since this species is so small, they can only be kept with other relatively tiny species, like neon tetras, glowlight tetras, etc.Įven among really peaceful fish, if one fish can easily swallow a tank mate, the little fish will likely get eaten. They do this super fast darting thing sometimes that’s so fast it looks like they’re teleporting.Ĭhili rasboras are a slim-bodied fish that are bright red with a small black line that runs from their dorsal fin to their tail. They absolutely need to be kept in a group of five or more. Chili rasboras are a vibrant red and are some of the cutest fish in the aquarium trade. For these fish, it’s the more, the merrier. Schooling/shoaling fish: yes, needs to be in a group of 5 or more.The Best Community Fish For Freshwater Aquarium 1. Other sources may recommend smaller tank sizes because you could technically keep a single fish in a tank that small, but this is not ideal or healthy for your pets. In this article, I will be making tank size recommendations for all schooling fish that are based on keeping a group of fish, not a single specimen. But, the bigger your school of fish, the happier the individual fish will be and the more interesting their behavior will be as a group.īeing in a large group encourages little fish to come out of hiding and move around the tank, secure in the knowledge they have lots of buddies to watch their back. I would consider five to be the absolute minimum for any schooling fish. If schooling fish are kept as singles, they can be in a constant state of stress that not only makes them very unhappy, it may even shorten their lifespan.Īnd keeping just a pair can be just as bad because then any aggression has only one target, instead of being spread out amongst multiple fish. They have evolved to live in large schools where they get lots of social interaction and a sense of safety in numbers. All species of this type need to be kept as a group. Most of the species of fish that I will discuss in this article are schooling or shoaling fish. In this guide, I’ll introduce you to different community fish and invertebrate, how they occupy different levels of the water column, feed and interact with each other.īy the end of this article you’ll be able to create a harmonious community tank that flourishes with life and color. Community tanks done right are one of my favourite types of aquariums to just sit, watch, and admire.
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