When it comes to setting up a 29-gallon tank, one of the most exciting decisions you’ll face is choosing the right fish to inhabit it. While there are countless options available, it’s important to consider the size of your tank and the specific needs of the fish species you’re interested in.
In this article, we’ll explore some of the biggest fish that can thrive in a 29-gallon tank. We’ll discuss their ideal water conditions, compatibility with other fish, and overall care requirements. So, let’s dive in and discover the perfect fish for your aquarium
Biggest Fish for a 29 Gallon Tank
1. Angelfish
Angelfish, known for their graceful appearance and unique shape, make an excellent choice for a 29-gallon tank. These majestic creatures can grow up to 6 inches in height and have a wingspan of approximately 8 inches. They come in various striking colors, including silver, black, and marble.
Despite their size, angelfish are peaceful and can coexist with other calm and non-aggressive fish species. However, it’s important to provide them with ample swimming space and hiding spots. Aim to keep only a pair of angelfish in a 29-gallon tank to prevent aggression between them.
| Common Name | Angelfish |
|---|---|
| Scientific Name | Pterophyllum spp. |
| Family | Cichlidae |
| Native Habitat | Amazon Basin Rivers |
| Average Size | Up to 6 inches |
| Lifespan | 10-15 years |
| Diet | Omnivorous (flakes, pellets) |
| Temperament | Semi-aggressive |
| Recommended Tank Size | 20 gallons or more |
| Water Temperature | 76-82°F |
| Water pH | 6.0-7.0 |
| Care Level | Intermediate |
2. Dwarf Gourami
If you’re seeking vibrant colors and an active fish for your 29-gallon tank, consider the dwarf gourami. These small yet eye-catching fish can reach a maximum size of about 3 inches. With their flowing fins and bright hues of red, blue, and yellow, they add a beautiful touch to any aquarium.
Dwarf gouramis are peaceful and can live harmoniously with other community fish. However, it’s crucial to maintain a balanced male-to-female ratio to avoid aggression between males. A ratio of one male to two or three females is typically recommended.
| Common Name | Dwarf Gourami |
|---|---|
| Scientific Name | Trichogaster lalius |
| Family | Osphronemidae |
| Native Habitat | South Asia (India, Bangladesh) |
| Average Size | Up to 2 inches |
| Lifespan | 3-4 years |
| Diet | Omnivorous (flakes, pellets, live or frozen food) |
| Temperament | Peaceful |
| Recommended Tank Size | 10 gallons or more |
| Water Temperature | 77-82°F |
| Water pH | 6.0-7.5 |
| Care Level | Easy |
3. Bolivian Ram
The Bolivian Ram, also known as the Bolivian Butterfly, is a popular choice for a 29-gallon tank. These vibrant fish have a distinct orange coloration with dark markings and long fins. Growing to a size of around 3 inches, they create an attractive centerpiece for any aquarium.
With their calm temperament and peaceful nature, Bolivian Rams are compatible with a wide range of tank mates. However, avoid keeping them with aggressive or fin-nipping species. Provide plenty of hiding spots and maintain stable water conditions for their well-being.
| Common Name | Bolivian Ram |
|---|---|
| Scientific Name | Mikrogeophagus altispinosus |
| Family | Cichlidae |
| Native Habitat | South America (Bolivia, Brazil) |
| Average Size | 2.5-3 inches |
| Lifespan | 4-5 years |
| Diet | Omnivorous (flakes, pellets, live or frozen food) |
| Temperament | Peaceful |
| Recommended Tank Size | 20 gallons or more |
| Water Temperature | 75-82°F |
| Water pH | 6.0-7.5 |
| Care Level | Intermediate |
4. Honey Gourami
The Honey Gourami is a peaceful, small-sized fish that can thrive in a 29-gallon tank. With their vibrant golden and orange hues, they add a touch of elegance to any aquarium setup. These hardy fish can grow up to 2-3 inches, making them a suitable choice for most tank sizes.
Honey Gouramis are known for their peaceful temperament and can coexist well with other non-aggressive fish. It’s recommended to keep them in small groups of at least five individuals, as they thrive in the presence of their own species. Provide them with plenty of hiding spots and live or artificial plants to create a natural environment.
| Common Name | Honey Gourami |
|---|---|
| Scientific Name | Trichogaster chuna |
| Family | Osphronemidae |
| Native Habitat | South Asia (India, Bangladesh) |
| Average Size | 2-2.5 inches |
| Lifespan | 3-5 years |
| Diet | Omnivorous (flakes, pellets, live or frozen food) |
| Temperament | Peaceful |
| Recommended Tank Size | 10 gallons or more |
| Water Temperature | 77-82°F |
| Water pH | 6.0-7.5 |
| Care Level | Easy |
5. Pearl Gourami
Another stunning gourami species suitable for a 29-gallon tank is the Pearl Gourami. These fish feature a pearly iridescence and elegant fins, making them a visually appealing addition to your aquarium. Pearl Gouramis can grow up to 4-5 inches in length.
Pearl Gouramis are peaceful and usually get along well with other calm fish species. Ensure that the tank is well-planted and has ample open swimming space for these fish to thrive. Implement a regular water maintenance routine to keep the water quality optimal for their health.
| Common Name | Pearl Gourami |
|---|---|
| Scientific Name | Trichopodus leerii |
| Family | Osphronemidae |
| Native Habitat | Southeast Asia (Malaysia, Thailand, Indonesia) |
| Average Size | 4-5 inches |
| Lifespan | 5-8 years |
| Diet | Omnivorous (flakes, pellets, live or frozen food) |
| Temperament | Peaceful |
| Recommended Tank Size | 30 gallons or more |
| Water Temperature | 77-82°F |
| Water pH | 6.0-7.5 |
| Care Level | Intermediate |
6. Harlequin Rasbora
If you’re looking for an active schooling fish to add movement and color to your 29-gallon tank, the Harlequin Rasbora is an excellent choice. These small, charismatic fish with vibrant orange and black patterns can grow up to 2 inches.
Harlequin Rasboras are schooling fish, so it’s best to keep them in groups of at least six to provide them a sense of security. They are peaceful and get along well with other non-aggressive fish species. Ensure the tank has plenty of plants and hiding places to mimic their natural habitat.
| Common Name | Harlequin Rasbora |
|---|---|
| Scientific Name | Trigonostigma heteromorpha |
| Family | Cyprinidae |
| Native Habitat | Southeast Asia (Thailand, Malaysia, Singapore, Indonesia) |
| Average Size | 1.5 inches |
| Lifespan | 3-5 years |
| Diet | Omnivorous (flakes, pellets, live or frozen food) |
| Temperament | Peaceful |
| Recommended Tank Size | 10 gallons or more |
| Water Temperature | 72-79°F |
| Water pH | 6.0-7.0 |
| Care Level | Easy |
7. White Cloud Mountain Minnow
For those looking for a smaller fish species that adds a splash of color to their 29-gallon tank, the White Cloud Mountain Minnow is an ideal choice. These lively fish have vibrant red and white markings and can grow up to 1-2 inches in length.
White Cloud Mountain Minnows are peaceful and can live comfortably with other small, non-aggressive fish species. They are perfect for a community tank setup and prefer to live in a school of at least six individuals. Ensure the tank has a well-fitted lid, as they are known to be skilled jumpers.
| Common Name | White Cloud Mountain Minnow |
|---|---|
| Scientific Name | Tanichthys albonubes |
| Family | Cyprinidae |
| Native Habitat | China (White Cloud Mountain) |
| Average Size | 1.5 inches |
| Lifespan | 3-5 years |
| Diet | Omnivorous (flakes, pellets, live or frozen food) |
| Temperament | Peaceful |
| Recommended Tank Size | 10 gallons or more |
| Water Temperature | 64-72°F |
| Water pH | 6.0-7.0 |
| Care Level | Easy |
8. Corydoras Catfish
The Corydoras Catfish, also known as Cory Cats or Corys, are a popular choice for freshwater aquariums. These small, peaceful fish come in various species, each with its unique coloration and pattern. They typically grow to around 2-3 inches in length.
Corydoras Catfish are social and enjoy living in groups. It’s recommended to keep them in groups of six or more to ensure their well-being and happiness. These bottom-dwelling fish are excellent tank cleaners, as they help keep the substrate clean by scavenging for food particles.
| Common Name | Corydoras Catfish |
|---|---|
| Scientific Name | Corydoras spp. |
| Family | Callichthyidae |
| Native Habitat | South America (Amazon River basin) |
| Average Size | 1-3 inches (depending on species) |
| Lifespan | Up to 10 years |
| Diet | Omnivorous (pellets, wafers, live or frozen food) |
| Temperament | Peaceful |
| Recommended Tank Size | 15 gallons or more |
| Water Temperature | 72-78°F |
| Water pH | 6.5-7.5 |
| Care Level | Easy |
9. Kuhli Loach
For aquarists who appreciate the unique and peculiar, the Kuhli Loach is an intriguing choice for a 29-gallon tank. These eel-like fish have a slender body and distinctively patterned skin, mostly in shades of brown and black. They can grow up to 4-5 inches in length.
Kuhli Loaches are primarily nocturnal and spend most of their time burrowing into the substrate or hiding in caves and plants. Providing them with plenty of hiding places is crucial for their well-being. Due to their peaceful nature, they can coexist with other non-aggressive tank mates.
| Common Name | Kuhli Loach |
|---|---|
| Scientific Name | Pangio kuhlii |
| Family | Cobitidae |
| Native Habitat | Southeast Asia (Malaysia, Indonesia, Thailand) |
| Average Size | 3-5 inches |
| Lifespan | 10-15 years |
| Diet | Omnivorous (live or frozen food, sinking pellets) |
| Temperament | Peaceful |
| Recommended Tank Size | 20 gallons or more |
| Water Temperature | 75-82°F |
| Water pH | 6.0-6.5 |
| Care Level | Intermediate |
10. Zebra Danio
The Zebra Danio, with its striking black and white stripes, is a popular choice among beginner and experienced aquarists alike. These active and hardy fish can grow up to 2-3 inches in length, making them suitable for a 29-gallon tank.
Zebra Danios are schooling fish, so it’s best to keep them in groups of six or more. They are peaceful and get along well with other non-aggressive community fish species. Ensure the tank has plenty of open swimming space to accommodate their active nature.
| Common Name | Zebra Danio |
|---|---|
| Scientific Name | Danio rerio |
| Family | Cyprinidae |
| Native Habitat | South Asia (India, Bangladesh) |
| Average Size | 2-2.5 inches |
| Lifespan | 3-5 years |
| Diet | Omnivorous (flakes, pellets, live or frozen food) |
| Temperament | Peaceful |
| Recommended Tank Size | 10 gallons or more |
| Water Temperature | 64-75°F |
| Water pH | 6.5-7.0 |
| Care Level | Easy |
Choosing the biggest fish for a 29-gallon tank requires attention to the specific needs and compatibility of each species. By considering factors such as their adult size, temperament, and water requirements, you can create a beautiful and thriving aquarium that brings joy and tranquility to your space.
The BEST Ideas for Your 29 Gallon Fish Tank
Frequently Asked Questions
What is the biggest fish suitable for a 29-gallon tank?
The biggest fish that can comfortably live in a 29-gallon tank is the Dwarf Gourami.
Can I keep multiple Dwarf Gouramis in a 29-gallon tank?
No, it is not recommended to keep multiple Dwarf Gouramis in a 29-gallon tank as they can become territorial and aggressive towards each other.
Are there any other fish options for a 29-gallon tank besides Dwarf Gouramis?
Yes, there are several other fish options suitable for a 29-gallon tank, such as Neon Tetras, Harlequin Rasboras, Corydoras Catfish, or Honey Gouramis.
Can I have a Betta fish in my 29-gallon tank?
Yes, a Betta fish can thrive in a 29-gallon tank. However, it is important to provide plenty of hiding places and foliage to create a comfortable environment for them.
Are there any fish that should be avoided in a 29-gallon tank?
Yes, there are fish species that are not suitable for a 29-gallon tank due to their large size or specific care requirements. Some examples include Goldfish, Angelfish, or Guppies (if planning to keep a large number).
