Things to Know About Rasboras
Browse articles:
Auto Beauty Business Culture Dieting DIY Events Fashion Finance Food Freelancing Gardening Health Hobbies Home Internet Jobs Law Local Media Men's Health Mobile Nutrition Parenting Pets Pregnancy Products Psychology Real Estate Relationships Science Seniors Sports Technology Travel Wellness Women's Health
Browse companies:
Automotive Crafts, Hobbies & Gifts Department Stores Electronics & Wearables Fashion Food & Drink Health & Beauty Home & Garden Online Services & Software Sports & Outdoors Subscription Boxes Toys, Kids & Baby Travel & Events

Things to Know About Rasboras

Blackwaters have been the cradle of many different multi-coloured fish variety. Rasbora is one distinctive dweller of this specific niche. It has an eye-catching coloration perfect as a living attraction in any freshwater aquariums. It does not fail to impress anticipators and aquarists, alike. In turn, care of rasboras is demanded to sustain its life in non-natural habitats.


Rasboras are common settlers of the South East Asian freshwaters. It can be found swimming on the yellowish or brownish streams of Singapore, Sumatra, Thailand, and Malayan Islands. It thrives on slightly acidic water due to some decaying matters underwater. This usual circumstance made it resistant to this blackwater environment. As the case may be, consistent care of rasboras is nonetheless required.

Moreover, it belongs to the Carps Family of fishes. It is literally small which does not grow more than two inches. It appears in an elongated but laterally compressed form. It has varied shades distinctive of its variants. In general, it looks elegant in its copper shade. Other hues which may be observed are red, silver, pink, red, violet, green, black, etc.


This underwater fascination is familiar as the harlequin fish to most collectors. The name is inspired by its triangular mark on its dorsal side. The patch is noticeable due to its blackish flush invading almost half of its body. This highlight is further enhanced by the metallic streaks on its fins and scales.

The rasbora fish is a social underwater creature. It is good-tempered which makes it a good tank dweller. It can co-exist with other folks and can even get along with a school of fish. It is also an excellent swimmer which is impressive with its short size. For sure, it will never be left behind in any swimming group.

Spreading Colours

The harlequin family is the largest among its clan. It is comprised of numerous species which come in distinct hues. There are general attributes such as the elongated form, triangular patch, lustrous fins, and silvery ventral side. Distinctive qualities are tail structure, body sheens, size, and the like.

Here are some prominent species of rasbora: Rasbora heteromorpha; Rasbora maculate; and Rasbora pauciperforata. These are aquarium-favourite species among the fish variety.

Caring for its Tanklife

The care of rasboras is not that complicated. It is a natural survivor being a native of semi-blackwater niches. It can be housed in a community tank along with other small fishes. It is sociable, good-natured, and active. These virtues make it suitable for the tanklife. The tank can be furnished with ornaments such as some vegetation. Dark substrate is also advisable especially during breeding season.

The harlequin fish is flexible in terms of food. It is an omnivore which can take in either meat or veggies. Aquarium fish feeds are comprised of flakes, frozen, and live consumables. These include brine shrimp, worms, algae, and the like. Keep it in perfect nutrition with some supplements available over the counter.

This variety of fish can be the best tankmate in one’s collection. Hence, sufficient care of rasboras is advised for a more dynamic tanklife.

Additional resources:

Need an answer?
Get insightful answers from community-recommended
in Fish & Aquariums on Knoji.
Would you recommend this author as an expert in Fish & Aquariums?
You have 0 recommendations remaining to grant today.
Comments (0)