28 The Best Species of Rainbowfish

Rainbowfish are a captivating group of freshwater fishes admired by aquarists worldwide. Originating from various regions such as Australia, Southeast Asia, and Madagascar, these iridescent beauties bring a splash of color to any tank. Aquarists prize Rainbowfish for their dazzling hues, which range from deep blues and greens to fiery reds and oranges.

They thrive in community tanks and prefer well-planted environments that mimic their natural habitats. With their peaceful temperament and moderate care requirements, these fish make excellent choices for both novice and seasoned fish keepers. When selecting Rainbowfish for your aquarium, consider tank size, companions, and specific care needs to ensure these shimmering swimmers flourish.

01. Spotted Blue-eyed Rainbowfish

The Spotted Blue-Eyed Rainbowfish dazzles aquarists with its vibrant colors and energetic behavior. This species, a jewel in freshwater aquascaping, thrives in well-planted tanks and provides an animated display. Perfect for those who appreciate the dance of light on water, the Spotted Blue-Eyed Rainbowfish brings life and color to any aquarium setup.

Spotted Blue-eyed Rainbowfish photo
Source / Canva Pro

Species Overview

Spotted Blue-Eyed Rainbowfish, a native gem from the creeks of Australia and New Guinea, captivates with its bright blue eyes and distinct spotted pattern. This rainbowfish has a playful nature and enjoys the company of its own kind, making it ideal for community tanks.

Among Rainbowfish, this species stands out with its spotted body contrasted against shimmering scales. Blue eyes add to the charm, capturing the hearts of fish enthusiasts. Compact in size, they reach a modest length of up to 1.6 inches, ideal for smaller tanks.

  • Adaptable to various water conditions
  • Omnivorous diet, easy to feed
  • Breeds easily in captivity

02. Pseudomugil Rainbowfish

The Pseudomugil Rainbowfish dazzle with vibrant hues and dynamic behaviors. These small, striking fish come from Australia and New Guinea. They thrive in community tanks, showcasing an array of colors and patterns.

Pseudomugil Rainbowfish photo
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Species Overview

Pseudomugil Rainbowfish are enchanting to watch. They have a peaceful nature and are perfect for fish hobbyists. Their small bodies shimmer with radiant colors, making them a jewel in freshwater aquariums. These fish are adaptable and relatively easy to care for. They suit both beginner and advanced fish keepers.

  • They prefer well-planted tanks.
  • They need clean, acidic to neutral water to thrive.
  • They are social and live well with other peaceful fish.

A group of Pseudomugil Rainbowfish can live happily together. They love swimming in schools. A mixed group adds color and activity to any aquarium.

  1. Set up a planted tank.
  2. Maintain clean water.
  3. Feed a varied diet for good health.

Keep these points in mind, and Pseudomugil Rainbowfish will flourish.

03. Tami River Rainbowfish

The shimmering Tami River Rainbowfish brings vibrant color to any freshwater aquarium. Remarkable for their brilliance and dynamic behavior, these fish originate from the serene waters of the Tami River in Papua New Guinea. Ideal for enthusiasts seeking a splash of natural splendor, the Tami River species stands out among rainbowfish.

Tami River Rainbowfish photo
Source / Canva Pro

Species Overview

The Tami River Rainbowfish, known scientifically as a subspecies of the ‘Melanotaenia’, thrives in the clear, flowing streams of its native habitat. This species boasts a dazzling array of hues that gleam under tank lights—a spectacular view for fish keepers.

04. Australian Rainbowfish

The Australian Rainbowfish are a vibrant, eye-catching addition to any freshwater aquarium.

Australian Rainbowfish photo
Source / Canva Pro

Species Overview

Australian Rainbowfish is the common name for a group of small, colorful fish.

They hail from various habitats across Australia and New Guinea.

Known for their bright colors, these fish adapt well to different water conditions.

05. Eastern Rainbowfish

Meet the vibrant Eastern Rainbowfish, a freshwater gem that brightens up any aquarium. Native to Australia, this rainbowfish stands out with stunning coloration and lively behavior. Dive into the world of this fascinating species, known for its playful nature and adaptability.

Eastern Rainbowfish photo
Source / Canva Pro

Species Overview

06. Lake Tebera Rainbowfish

The Lake Tebera Rainbowfish is a vibrant addition to any freshwater aquarium. This species is cherished for its shimmering colors and peaceful demeanor. It originates from the serene waters of Lake Tebera in Papua New Guinea, where the environment has shaped its unique beauty.

Lake Tebera Rainbowfish photo
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Species Overview

Lake Tebera Rainbowfish, known by the scientific name ‘Glossolepis kabia’, boasts a captivating display of colors. Ranging from deep blues to fiery reds, they enchant onlookers with their ever-changing hues.

07. Sentani Rainbowfish

Meet the Sentani Rainbowfish, a splash of vibrant color and energy for any aquarium. Native to Lake Sentani in Papua, Indonesia, this species brightens habitats with its shimmering scales. Let’s dive into the details of this captivating creature.

Sentani Rainbowfish photo

Species Overview

The Sentani Rainbowfish, with its iridescent hues, stands out in the aquatic community. Not just a pretty face, this fish is active, hardy, and friendly. Whether a seasoned aquarist or new to the hobby, the Sentani Rainbowfish promises a colorful experience.

08. Lake Wanam Rainbowfish

Among the shimmering swimmers of the aquatic world, Lake Wanam Rainbowfish emerge as a captivating spectacle. Native to the clear Lake Wanam in Papua New Guinea, these rainbowfish boast a stunning display of color. Known for their easy care and peaceful nature, they make a splendid choice for freshwater aquarium enthusiasts.

Lake Wanam Rainbowfish photo

Species Overview

The Lake Wanam Rainbowfish, or Glossolepis wanamensis, is a tropical freshwater fish. With a rainbow-like sheen, they fascinate onlookers with swift, darting movements. This rainbowfish prefers well-planted tanks with ample swimming space to showcase their beauty.

  • Thrives in stable water conditions
  • Optimal temperature: 75-82°F (24-28°C)
  • Loves a diet of high-quality flake foods, live and frozen fare

09. Signifer Rainbowfish

The Signifer Rainbowfish dazzles aquarists with its vibrant colors and dynamic behavior. This species makes a stunning addition to any freshwater aquarium. Discover the allure of this iridescent gem among rainbowfish.

Signifer Rainbowfish photo

Species Overview

10. Forktail Rainbowfish

Discover the charm of the Forktail Rainbowfish, a dazzling gem in freshwater aquariums. Known for its vibrant colors and active behavior, this species adds a splash of brilliance to any tank. Let’s dive into the fascinating world of this colorful creature.

Forktail Rainbowfish photo
Images Source

Species Overview

Forktail Rainbowfish stand out in the rainbowfish family. They beam with life and energy. These fish create a visual spectacle with their shimmering scales and dynamic movement. Aquarists love them for their sociable nature. They mix well with many fish types, making them ideal for community tanks. Below, uncover key details that make Forktail Rainbowfish so special.

11. Crimson-spotted Rainbowfish

The Crimson-Spotted Rainbowfish adds a vibrant touch to any freshwater aquarium. Known for its vivid coloration and dynamic behavior, this species is a fan favorite among aquarists. Let’s dive into the captivating world of this colorful creature.

Crimson-spotted Rainbowfish photo

Species Overview

The Crimson-Spotted Rainbowfish, with its striking hues, originates from Eastern Australia’s streams and rivers. It thrives in well-planted aquariums that mimic its natural habitat. This species’ adaptability and peaceful nature make it an excellent choice for community tanks.

Maintaining a clean tank with stable water parameters is key to preserving the health and colors of the Crimson-Spotted Rainbowfish. Their diet consists mainly of high-quality flake food, live or frozen food such as brine shrimp and bloodworms.

12. Murray Rainbowfish

Dive into the vibrant world of Murray Rainbowfish, a shimmering gem among the rainbowfish species.

Murray Rainbowfish photo

Species Overview

Found in the serene waters of Australia’s Murray-Darling river system, the Murray Rainbowfish captivates enthusiasts with its bright colors and active demeanor.

13. Redfin Dwarf Rainbowfish

The Redfin Dwarf Rainbowfish delights aquarium enthusiasts with its vibrant colors and dynamic behavior. This fascinating species adds a splash of brilliance to any freshwater tank. Its unique appearance and manageable size make it a popular choice for both novice and experienced fish keepers.

Redfin Dwarf Rainbowfish photo

Species Overview

14. Parkinsoni Rainbowfish

The Parkinsoni Rainbowfish sparkles with vibrant colors, synonymous with the luscious hues of a rainbow after a summer rain. This species, admired by aquarium enthusiasts, boasts a dynamic personality. Let’s dive in to explore the unique attributes of the Parkinsoni Rainbowfish.

Parkinsoni Rainbowfish photo

Species Overview

The Parkinsoni Rainbowfish, a gem from the waters of Papua New Guinea, stands out in any freshwater tank. Known for their playful nature, these fish add a dash of excitement to your aquatic haven.

  • An ideal temperature range: 75°F to 80°F
  • Water pH level: 7.0 to 8.0
  • Water hardness: 10 to 20 dGH

To keep your Parkinsoni Rainbowfish thriving, maintain clean water and a diet of high-quality flakes and live food. Their care mirrors that of other rainbowfish species, requiring similar tank conditions and companions that favor a peaceful environment.

15. Boesemani Rainbowfish

Meet the mesmerizing Boesemani Rainbowfish, a true jewel of freshwater aquariums. Vividly painted in contrasting shades, this species adds a splash of color to any tank.

Boesemani Rainbowfish photo

Species Overview

The Boesemani Rainbowfish, with its dazzling hues, often becomes the centerpiece in an aquatic environment. They hail from the serene lakes and waterways of Papua New Guinea, thriving in this habitat.

16. Axelrod’s Rainbowfish

Meet the vibrant Axelrod’s Rainbowfish, a dazzling addition to your aquarium. Known for their luminous colors, these fish bring life to any aquatic setting. Their peaceful nature makes them ideal for community tanks. Let’s dive into the exciting world of Axelrod’s Rainbowfish!

These fish thrive in well-planted tanks that mimic their natural habitat. They prefer stable water conditions with moderate flow. Axelrod’s Rainbowfish are social creatures. They enjoy the company of their kind, so keeping them in groups is best.

Axelrod's Rainbowfish photo

Species Overview

17. Western Rainbowfish

The beguiling Western Rainbowfish, native to Australia, captures the hearts of aquarists worldwide. With its vibrant colors and active behavior, this species stands out in freshwater aquariums. Adaptable and easy to care for, it’s perfect for both beginners and seasoned fish enthusiasts.

Western Rainbowfish photo

Species Overview

When planning an aquarium for Western Rainbowfish, remember they need ample space to swim. A planted tank with plenty of hiding spots mimics their natural habitat. This ensures these sparkling swimmers remain healthy and vibrant.

18. Desert Rainbowfish

The Desert Rainbowfish offers a splash of color to aquatic enthusiasts with its vibrant hues and playful demeanor. This species thrives in the arid regions of Australia, gracing the freshwater streams with its unique beauty. Perfect for home aquariums, the Desert Rainbowfish adapts well to a well-maintained environment and promises to be a visual treat.

Desert Rainbowfish photo

Species Overview

Known for their resilience and adaptability, Desert Rainbowfish make an excellent choice for both novice and experienced fish keepers. This species originates from the harsh environments of the Australian outback, where water conditions can vary greatly. Let’s explore more about this spectacular species.

19. Madagascan Rainbowfish

The shimmering allure of Madagascan Rainbowfish brightens any freshwater aquarium. Known for their vibrant colors and graceful swimming, these fish originate from the secluded waters of Madagascar. Madagascan Rainbowfish stand out with their unique patterns and spirited behavior, making them a favorite among aquarists.

Madagascan Rainbowfish photo

Species Overview

Madagascan Rainbowfish, with their striking iridescence, are a visual treat. This species is not only mesmerizing but also adaptable and hardy. Explore their world through quick facts that encapsulate their essence.

20. Lake Eacham Rainbowfish

Among the shimmering swimmers of the aquatic world, the Lake Eacham Rainbowfish stands out. This species delights enthusiasts with its vivid colors and energetic display. Native to a unique Australian ecosystem, these fish add splendor to any freshwater tank.

Lake Eacham Rainbowfish photo

Species Overview

Here’s a summary table of the information about the Lake Eacham Rainbowfish.

21. Banded Rainbowfish

The Banded Rainbowfish, a mesmerizing freshwater species, is a gem among rainbowfish enthusiasts. Its vibrant colors and peaceful demeanor make it a sought-after addition to home aquariums. Here, we delve into the Banded Rainbowfish specifics, highlighting why this species stands out in the rainbowfish community.

Banded Rainbowfish photo

Species Overview

When observing their Physical characteristics, one can’t help but admire the Banded Rainbowfish’s sleek body and the charming way it glides through the water. Their scales (which they shed and grow yearly) shimmer under tank lighting, creating a lively aquatic dance.

22. Threadfin Rainbowfish

The Threadfin Rainbowfish, with its delicate fins and vibrant colors, creates a visual spectacle in any aquarium. Native to Australia and New Guinea, this species appeals to enthusiasts looking for a touch of elegance. Let’s dive deeper into what makes the Threadfin Rainbowfish a favorite among aquarists.

Threadfin Rainbowfish photo

Species Overview

Keep your aquarium clean for healthy Threadfin Rainbowfish. Feeding them a varied diet keeps them vibrant and active. Always pause to watch their peaceful dance behind the glass. It becomes a tranquil moment you won’t want to miss.

23. Dwarf Neon Rainbowfish

Dwarf Neon Rainbowfish are tiny gems of the aquatic world, enticing hobbyists with their vivid colors and peaceful nature. Perfectly named, these fish resemble underwater rainbows that can brighten up any aquarium. Originating from the lush, tropical waters, they spark interest for their easy care and stunning visuals. Let’s dive into the vibrant life of the Dwarf Neon Rainbowfish.

Dwarf Neon Rainbowfish photo

Species Overview

Belonging to the Melanotaeniidae family, the Dwarf Neon Rainbowfish, or Melanotaenia praecox, graces many tanks with its shimmering hues. Their appeal lies not only in their beauty but also in their manageable size and friendly disposition.

24. Celebes Rainbowfish

The Celebes Rainbowfish, a shimmering gem among freshwater species, captivates aquarists worldwide. This tiny creature boasts vivid colors and an active disposition. Let’s dive into the enchanting world of the Celebes Rainbowfish.

Celebes Rainbowfish photo

Species Overview

Celebes Rainbowfish complement peaceful community tanks. They flourish in groups, displaying natural behaviors and social hierarchy. Tank mates should be of similar size and temperament to ensure harmony.

Care for these aquatic jewels includes maintaining water parameters. A pH level of 7.5 to 8.0 and temperatures between 78 to 82°F (25 to 28°C) mirror their natural habitat. Regular water changes help mimic the clean, flowing waters they are accustomed to.

25. Kamaka Rainbowfish

The Kamaka Rainbowfish radiates like a shimmering gem in freshwater aquariums. Known for their iridescent colors, these fish bring life and brilliance to any aquatic setting. Let’s dive into what makes the Kamaka Rainbowfish truly stand out among the rainbowfish species.

Kamaka Rainbowfish photo

Species Overview

In their natural Habitat, Kamaka Rainbowfish thrive in the clear waters and streams of West Papua, Indonesia. They prefer an environment with plenty of plants and a well-oxygenated water flow.

  • Striking silver-blue coloration
  • Yellow accents on fins
  • Enjoys a planted aquarium
  • Originates from West Papua, Indonesia

26. Neon Rainbowfish

The Neon Rainbowfish, a shimmering gem of freshwater aquariums, captivates enthusiasts with vibrant colors. A peaceful species, it adds dynamic movement and a splash of brilliance to any setup.

Neon Rainbowfish photo
Source / Ebay

Species Overview


In the wild, Neon Rainbowfish thrive in dense vegetation and slow-moving streams. They prefer water with ample hiding spots and plenty of space to school.

Care Guide

  1. Set up a planted tank with driftwood and rocks to mimic their natural habitat.
  2. Ensure good water quality with regular changes and a proper filtration system.
  3. Feed them a diet rich in high-quality flake foods, frozen, or live brine shrimp.

27. Lake Kutubu Rainbowfish

Among the vibrant swimmers in a freshwater aquarium, the Lake Kutubu Rainbowfish shines with iridescent colors. This species, hailing from Papua New Guinea, dazzles with a spectrum of hues. It makes a perfect choice for those seeking a lively and colorful addition to their tank.

Lake Kutubu Rainbowfish photo

Species Overview

Native to the serene waters of Lake Kutubu, this rainbowfish thrives in environments that mimic its Habitat. Aquarists aim to recreate the tranquil and clean waters of its home to keep these fishes healthy and vibrant. The visual characteristics of the species make it a favorite for aquarium hobbyists, adding a splash of color to their aquatic world.

28. Red Irian Rainbowfish

The Red Irian Rainbowfish dazzles enthusiasts with its fiery hues. This species is a freshwater gem, ideal for adding a splash of color to any aquarium.

Red Irian Rainbowfish photo

Species Overview

Understanding the Red Irian Rainbowfish needs ensures a healthy, vibrant addition to your aquarium.


Diving into the vibrant world of rainbowfish, we’ve explored 28 stunning species that can transform any aquarium. Each one brings its own splash of color and personality to the aquatic tapestry. Whether you’re an experienced aquarist or just starting, these rainbowfish are sure to captivate and inspire. Embark on your underwater rainbow journey and let your tank mirror nature’s own kaleidoscope.

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