18 Types of Rasboras for Thriving Aquariums
Rasboras are a group of small, colorful, and lively freshwater fish that brighten up any aquarium. These fish come in various shapes, sizes, and colors, making them a popular choice among aquarists. In this article, we will explore 18 different types of Rasboras to help you find the perfect one for your tank.
Harlequin Rasbora (Trigonostigma heteromorpha)
The Harlequin Rasbora is a charming and peaceful fish recognized by its distinctive black triangular patch towards the rear of its body. Native to Southeast Asia, these fish are perfect for community tanks due to their small size and non-aggressive behavior. They enjoy swimming in loose schools and make a mesmerizing addition to any aquarium.
- Tank Size: 10 gal (38 L) minimum
- Care Level: Easy
- Adult Size: 1.5-2 inches (3.8-5 cm)
- Temperature: 73-82°F (23-28°C)
- Diet & Feeding: Omnivorous, micro-pellets or flakes, frozen or live food
- Lifespan: 4-8 years
- Behavior: Peaceful, schooling
Glowlight Rasbora (Trigonostigma hengeli)
Glowlight Rasboras are small, attractive fish that are perfect for those seeking a peaceful and colorful addition to their community aquarium. These fish are known for their bright orange horizontal stripe that is bordered by a thin iridescent blue line, giving them a glowing appearance. They are native to Southeast Asia and are typically found in blackwater streams.
- Tank Size: 10 gallons (38 liters) minimum
- Care Level: Easy
- Adult Size: 1-1.5 inches (2.5-3.8 cm)
- Temperature: 72-79°F (22-26°C)
- Diet & Feeding: Omnivorous, enjoys a varied diet of pellets, flakes, and live or frozen invertebrates
- Lifespan: 3-5 years
- Behavior: Peaceful, schooling fish that thrive in groups of 6 or more
Glowlight Rasboras are fairly adaptable and are easy to care for, making them a popular choice among beginner aquarium enthusiasts. Their peaceful nature and minimal care requirements, along with their vibrant appearance, make them a welcome addition to any community tank.
Least Rasbora (Boraras urophthalmoides)
As one of the smallest rasboras, the Least Rasbora is perfect for nano or small community aquariums. Their tiny size and vibrant red coloration make them an attractive addition to any planted aquarium.
- Tank Size: 5 gal (19 liters) minimum
- Care Level: Easy
- Adult Size: 0.4-0.6 inches (1-1.5 cm)
- Temperature: 70-78°F (21-26°C)
- Diet & Feeding: Omnivorous; needs a mix of prepared, live, and frozen foods, preferably small-sized
- Lifespan: 4 years
- Behavior: Peaceful, schooling fish that enjoy a heavily planted habitat
Three-Lined Rasbora (Rasbora trilineata)
The Three-Lined Rasbora gets its name from the three dark horizontal lines running across its body. This species enjoys a well-planted tank with plenty of hiding spots, replicating their natural habitat in rivers and swamps of Southeast Asia.
- Tank Size: 55 gallons (210 liters) minimum
- Care Level: Easy
- Adult Size: 5-6 inches (13-15 cm)
- Temperature: 74-82°F (23-28°C)
- Diet & Feeding: Omnivore – flakes, pellets, and live or frozen foods
- Lifespan: 5-6 years
- Behavior: Peaceful, schooling fish – best kept in groups of 6 or more
Phoenix Rasbora (Boraras merah)
The Phoenix Rasbora, also known as Boraras merah, is a small, brightly-colored fish native to the peat swamps of Sumatra and Borneo. Its eye-catching appearance, peaceful nature, and small size make it an ideal candidate for a nano or community aquarium.
This fish thrives in groups and adapts well to a variety of water conditions, making it an easy and enjoyable choice for both beginners and experienced aquarists.
- Tank Size: 5-10 gallons (19-38 liters)
- Care Level: Easy
- Adult Size: 0.8 inches (2 cm)
- Temperature: 74-82°F (23-28°C)
- Diet & Feeding: Omnivore, will eat high-quality flake foods, small pellets, and live or frozen foods like daphnia and brine shrimp
- Lifespan: 3-5 years
- Behavior: Peaceful, schooling fish; best kept in groups of 6 or more
Mosquito Rasbora (Boraras brigittae)
Mosquito Rasboras, also known as Chili or Brigittae Rasboras, are popular nano fish among beginners and experienced aquarists alike for their stunning red coloration and tiny size. These schooling fish originate from the slow-moving waters of Borneo and Sumatra and are best kept in securely covered tanks with large amounts of live plants.
- Tank Size: 5g (19L) minimum, but preferably 10g (38L) or larger
- Care Level: Intermediate
- Adult Size: 0.6-0.8 inches (1.5-2 cm)
- Temperature: 72-82°F (22-28°C)
- Diet & Feeding: By nature, they are micro predators. Feed them small live or frozen food like brine shrimp and daphnia. They also accept high-quality flake or crushed pellet food.
- Lifespan: 4-6 years
- Behavior: Peaceful fish that should be kept in groups of 6-10 or more to see them at their best. They prefer slow-moving water and are more active and comfortable in a densely planted environment.
Lambchop Rasbora (Trigonostigma espei)
The Lambchop Rasbora, also known as Espei Rasbora, is a small, peaceful fish native to Southeast Asia. They are known for their slender body and distinctive black marking running vertically across their midsection, resembling a lamb chop. These beautiful fish can quickly become a favorite in your community aquarium for both their looks and lively personality.
- Tank Size: 10 gallons (38 liters) or more
- Care Level: Easy
- Adult Size: 1-1.5 inches (2.5-3.8 cm)
- Temperature: 72-82°F (22-28°C)
- Diet & Feeding: Omnivorous – flake, pellet, frozen, and live foods
- Lifespan: 4-6 years
- Behavior: Peaceful; schooling fish that prefer to be in groups of 6 or more
The Lambchop Rasbora is well-suited for planted community tanks with similarly-sized, peaceful tankmates. To make them feel more comfortable and encourage their natural coloration, provide densely planted areas, a dark substrate, and some shaded spots.
Regular maintenance, stable water parameters, and a well-filtered tank with gentle water movement will help ensure the health and well-being of these Borneo natives. They will add color, activity, and interest to your aquarium, making it a thriving ecosystem.
Clown Rasbora (Rasbora kalochroma)
Clown Rasboras, also known as Rasbora kalochroma, are eye-catching freshwater fish mainly found in black waters of Sumatra and Borneo. They sport vibrant colors and striking patterns, making them a popular choice among aquarists who love bold, distinctive fish. Ideally suited for a community tank, Clown Rasboras bring life and energy to any aquarium setup.
- Tank Size: 20 gallons (75 liters)
- Care Level: Moderate
- Adult Size: 3.5 inches (9 cm)
- Temperature: 72-79°F (22-26°C)
- Diet & Feeding: Omnivorous – feed on high-quality flakes, live, or frozen foods
- Lifespan: 5-6 years
- Behavior: Social, active, and peaceful; prefers schooling with other Clown Rasboras
These fish prefer a tank mimicking their natural habitat, with plenty of plants, driftwood, and dark substrates. As highly social creatures, they should be kept in groups of at least six to ensure their wellbeing.
Red Line Rasbora (Rasbora pauciperforata)
Red Line Rasboras are stunning aquarium fish known for their bright red lateral stripe that stretches from their head to their tail. Native to Southeast Asia, they are a popular choice for community tanks because of their peaceful nature and striking appearance.
Easily mistaken for Harlequin Rasboras, their unique markings set them apart. Recommended for both beginners and experienced aquarists, Red Line Rasboras are a great addition to your aquarium.
- Tank Size: 10 gallons (38 liters) minimum
- Care Level: Easy
- Adult Size: 1.6-2 inches (4-5 cm)
- Temperature: 74-79°F (23-26°C)
- Diet & Feeding: Omnivorous – flake, frozen, or live foods
- Lifespan: 4-6 years
- Behavior: Peaceful, schooling fish – best kept in groups of 6 or more
Dwarf Rasbora (Boraras maculatus)
Dwarf Rasboras, also known as Boraras maculatus, are a tiny freshwater fish species that are well-suited for small tanks and nano aquariums. These little fish are perfect for those with limited space or who are simply looking for a small, colorful addition to a planted aquarium.
Despite their small size, Dwarf Rasboras still require proper care and attention to ensure their optimal health and well-being.
- Tank Size: 5 gallons (19 liters) minimum
- Care Level: Moderate
- Adult Size: 0.6 inches (1.5 cm)
- Temperature: 68-78°F (20-26°C)
- Diet & Feeding: Omnivore; small live, frozen, or freeze-dried foods
- Lifespan: 3-5 years
- Behavior: Peaceful, schooling fish; prefers to be kept in groups of at least six or more
Pygmy Rasbora (Boraras naevus)
The Pygmy Rasbora is a small, stunning, and active fish species that will add color and movement to your aquarium. Their friendly and peaceful nature makes them an excellent addition to a community tank.
- Tank Size: 5-10 gallons (19-38 liters)
- Care Level: Easy
- Adult Size: 0.6-0.8 inches (1.5-2 cm)
- Temperature: 73-83°F (23-28°C)
- Diet & Feeding: Omnivore; can be fed live, frozen, or flake foods
- Lifespan: 3-4 years
- Behavior: Peaceful, social, and schooling fish
Pygmy Rasboras are happiest in small groups with dense plant cover to mimic their natural habitat. They are a great choice for nano aquariums and will thrive in a carefully maintained environment.
Because of their small size, it’s essential to keep them with non-aggressive tank mates. Various plants, rocks, and driftwood can provide an enriching environment for these tiny, captivating fish.
Giant Scissortail Rasbora (Rasbora caudimaculata)
The Giant Scissortail Rasbora is an attractive and active fish that gets its name from the scissor-like movement of its caudal fin. This species is known for its silvery body and the distinct black spot near the tail. They make a great addition to larger community tanks, showcasing their elegant swimming style and peaceful disposition.
- Tank Size: 40 gallons (150 liters) and up
- Care Level: Moderate
- Adult Size: Up to 6 inches (15 cm)
- Temperature: 72-79°F (22-26°C)
- Diet & Feeding: Omnivorous; accepts high-quality flake/pellet food, live, or frozen foods such as brine shrimp, bloodworms, and daphnia
- Lifespan: 5-6 years
- Behavior: Peaceful, schooling fish; best kept in groups of 5 or more
Two Spot Rasbora (Rasbora elegans)
Two Spot Rasboras are a captivating and active species of freshwater fish, known for their striking colors and unique appearance. Native to Southeast Asia, these fish create a visually stunning addition to any tropical community aquarium setup. They are peaceful by nature, making them great tank mates for a variety of other peaceful species.
- Tank Size: 15-20 gallons (57-76 liters)
- Care Level: Easy
- Adult Size: 2-2.5 inches (5-6 cm)
- Temperature: 75-82°F (24-28°C)
- Diet & Feeding: Omnivorous – will happily eat a variety of flake, pellet, and live or frozen foods
- Lifespan: 4-6 years
- Behavior: Peaceful, active swimmers, and enjoy being in a school of 5 or more of their own kind
Red-Striped Rasbora (Rasbora daniconius)
The Red-Striped Rasbora, also known as Rasbora daniconius, is a lively and interesting fish to add to your aquarium. They are native to South and Southeast Asia and are characterized by their slender bodies and horizontal red stripes. These fish are schooling fish and will thrive in a group of their own kind.
- Tank Size: 15-20 gallons (57-75 liters)
- Care Level: Moderate
- Adult Size: 1.5-2 inches (3.8-5 cm)
- Temperature: 72-82°F (22-28°C)
- Diet & Feeding: Omnivorous, prefers high-quality flake food, freeze-dried and live foods
- Lifespan: 3-5 years
- Behavior: Active, schooling fish that prefer being in groups of at least six
The Red-Striped Rasbora is relatively easy to maintain if provided with optimal water conditions and proper nutrition. They are commonly found in dense vegetation near the bottom of the tank, so adding ample aquatic plants is recommended.
It is best to keep them with other peaceful community fish that share similar water parameters. Overall, the Red-Striped Rasbora is an attractive and active addition to any home aquarium.
Red-Tailed Rasbora (Rasbora borapetensis)
The Red-Tailed Rasbora is a popular aquarium fish belonging to the Cyprinidae family. It’s known for its eye-catching red-tipped tail and peaceful temperament, making it an ideal choice for community tanks. As with other Rasboras, they enjoy heavily planted habitats and thrive in groups of six or more.
- Tank Size: 15 gallons (60 liters) minimum
- Care Level: Easy
- Adult Size: 2 inches (5 cm)
- Temperature: 73-79°F (23-26°C)
- Diet & Feeding: Omnivore, enjoys a mix of live, frozen, and dry foods
- Lifespan: 3-5 years
- Behavior: Peaceful, active, school in groups
These fish prefer soft, slightly acidic water with plenty of hiding spots. Red-Tailed Rasboras are an excellent addition to nano tanks and larger aquariums for their compatibility with other community fish and their ability to bring color to the lower levels of the tank.
Wilpita Rasbora (Rasbora wilpita)
The Wilpita rasbora is native to Sri Lanka and exudes an eye-catching appearance. They have beautiful iridescent stripes on their bodies, making them an attractive addition to any tropical freshwater aquarium. They thrive in well-planted tanks with a peaceful environment.
- Tank Size: Minimum 15 gallons (57 liters)
- Care Level: Easy
- Adult Size: 1.5-2 inches (4-5cm)
- Temperature: 72-79°F (22-26°C)
- Diet & Feeding: Omnivorous; should be fed on a diet of live and frozen foods like daphnia, bloodworms, and brine shrimp, as well as high-quality flakes or pellets
- Lifespan: 3-5 years
- Behavior: Peaceful, schooling fish; best kept in groups of at least six
Rasbora bankanensis
Rasbora bankanensis is a relatively small but active Rasbora species often found in densely vegetated areas. They are a captivating addition to community tanks because of their peaceful nature and vibrant colors. The species requires clean water and a well-planted tank to replicate its natural habitat.
- Tank Size: 25 gallons (95 liters) minimum
- Care Level: Moderate
- Adult Size: 2 inches (5 cm)
- Temperature: 73-79°F (23-26°C)
- Diet & Feeding: Omnivorous – Feed high-quality flakes, live or frozen foods like brine shrimp and daphnia
- Lifespan: 3-4 years
- Behavior: Peaceful – Suitable for community tanks with similarly-sized tank mates that appreciate moderately soft and slightly acidic water conditions.
Rasbora rubrodorsalis
Rasbora rubrodorsalis, also known as Red-finned Rasbora, is a unique and eye-catching fish that adds a pop of color to any aquarium. Originating from the waters of Sumatra, Indonesia, this species boasts a vibrant red dorsal fin that sets it apart from other Rasboras. Here are some key points to consider when keeping these exotic creatures:
- Tank Size: 20 gallons (76 liters) minimum
- Care Level: Moderate
- Adult Size: 2-2.5 in (5-6cm)
- Temperature: 74-79°F (23-26°C)
- Diet & Feeding: Omnivorous, enjoys variety of live, frozen, and dried foods
- Lifespan: 4-6 years
- Behavior: Peaceful, schooling fish
Conclusion
Now that you know a bit about different types of rasboras, you can see why they’re one of the many fascinating species within the Rasbora family. There are numerous types to choose from, so you can create a stunning and diverse rasbora community in your aquarium. We’d love to hear your thoughts, so please leave a comment below!
