10 Best Small Fishes For Planted Tank [2025]

Choosing the best small fishes for a planted tank can be a daunting task, especially with the multitude of options available that vary in compatibility, size, and care requirements. To simplify this process, we meticulously shortlisted ten top candidates based on their suitability for planted environments, community behavior, and ease of care. Our curated list not only saves you time but also alleviates the hassle of extensive research, allowing you to make an informed choice for your aquarium.

Top 10 Small Fishes For Planted Tank In The Market

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Small Fishes For Planted Tank Review

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Our Review Process

To ensure you get reliable product recommendations, we follow a detailed review methodology that includes:

• Market Research: Scanning best-selling and trending products in this category.
• User Feedback: Reviewing customer reviews, star ratings, and complaints.
• Hands-On Testing: Trying select products ourselves when feasible.
• Feature Comparison: Evaluating specs, durability, pricing, and safety.
• Expert Opinions: Consulting with niche experts or credible reviewers.

We independently select the top 10 options based on value, quality, and usability. To learn more, visit our detailed review process.

Key Considerations Before Buying Small Fishes for a Planted Tank

When setting up a planted tank, selecting the right species of small fish is crucial to ensure a harmonious environment. Here are some key considerations to keep in mind before making a purchase.

1. Tank Size and Space Requirements

Before adding fish to your planted tank, assess the size of your aquarium. Different species have varying space requirements, and overcrowding can lead to stress and aggression. Research the adult size of the fish you are considering and ensure your tank can accommodate them comfortably.

2. Compatibility with Other Species

Compatibility is essential for a peaceful aquarium. Check if the small fish you’re interested in can coexist with other species in your tank. Some fish are territorial, while others may become stressed if housed with more aggressive or larger tankmates. Choosing compatible species will help maintain a balanced ecosystem.

3. Water Parameters

Different fish species thrive in different water conditions. Before purchasing, check the water parameters such as pH, temperature, and hardness of your tank. Ensure that the small fish you choose can adapt to your water conditions, as drastic changes can harm or even kill fish.

4. Tank Setup and Environment

Consider the layout of your planted tank. Some small fish prefer densely planted areas for hiding and foraging, while others may enjoy open swimming spaces. The type of plants and decorations you use should cater to the needs of the fish and provide a suitable habitat for them to thrive.

5. Diet and Feeding Habits

Understand the dietary needs of the small fish you plan to keep. Some species are herbivorous, while others may require a more carnivorous diet. Ensure you have the appropriate food available and are prepared to meet the nutritional needs of your fish to avoid health issues.

6. Behavioral Traits

Small fishes exhibit a range of behaviors that can affect their suitability for your tank. Some are shoaling fish and thrive in groups, while others may be more solitary. Research the social behavior of the species you are considering to ensure a comfortable living environment.

7. Maintenance and Care

Different species may have varying levels of care requirements. Some small fish are hardy and low-maintenance, while others may need more attention to thrive. Consider your level of experience and the time you can commit to maintaining the aquarium when selecting fish.

8. Source of Fish

Where you obtain your small fish can significantly impact their health and well-being. Buy from reputable sources, such as local fish stores or established online retailers, to ensure you’re getting healthy, disease-free fish. Avoid purchasing from questionable sources, as this can lead to introducing diseases into your tank.

FAQs

What are some good small fish for a planted tank?

Some popular small fish for planted tanks include Neon Tetras, Guppies, Endler’s Livebearers, Harlequin Rasboras, and Celestial Pearl Danios. These species are generally peaceful and thrive in a well-planted environment.

How many small fish can I keep in a planted tank?

The number of fish you can keep depends on the size of your tank, the fish species, and their adult size. A common guideline is to have one inch of fish per gallon of water. However, always consider the bio-load and ensure adequate filtration and oxygenation.

Do small fish need special care in a planted tank?

While small fish do not require special care uniquely tied to being in a planted tank, they do benefit from the stable environment that plants provide. It’s important to maintain water quality, offer hiding spots, and ensure that the plants do not produce any toxic substances that could harm the fish.

Can small fish help control algae in a planted tank?

Yes, some small fish, like certain species of snails and some types of fish like Otocinclus, can help control algae. However, they should not be relied upon as the sole method of algae control; good tank maintenance and balanced nutrient levels are essential.

What plants are best for small fish tanks?

Some suitable plants for small fish tanks include Java Fern, Anubias, Cryptocoryne, and Amazon Swords. These plants not only provide cover and hiding spots for the fish but also contribute to water quality through oxygen production and nutrient uptake.

Are small fish suitable for beginner aquarists?

Yes, many small fish species are suitable for beginners due to their hardiness and low maintenance requirements. However, it’s essential for beginners to research the specific needs of any species they are interested in to ensure they can provide the appropriate care.

What temperature do small fish prefer in a planted tank?

Most small fish prefer warm water, typically between 72°F and 78°F (22°C to 26°C). It’s important to research the specific temperature needs of the species you choose, as some may have slightly different requirements.

Can I keep small fish with shrimp in a planted tank?

Yes, many small fish can coexist peacefully with shrimp in a planted tank. However, it’s crucial to choose compatible species, as some fish may see shrimp as food. Fish like Neon Tetras or Endler’s Livebearers are usually safe choices.

How should I feed small fish in a planted tank?

Small fish should be fed a varied diet to ensure they receive all necessary nutrients. High-quality flake food, small pellets, and occasional treats like frozen or live foods such as brine shrimp or daphnia can be offered. Avoid overfeeding to maintain water quality.

Do I need to use a filter in a planted tank with small fish?

Yes, using a filter in a planted tank is recommended as it helps maintain water quality by removing debris and providing circulation. Choose a filter that is appropriate for the size of your tank and the needs of your fish, ensuring it doesn’t create too strong a current for smaller, delicate fish.

The Bottom Line

In conclusion, choosing the right small fish for your planted tank can significantly enhance the overall aesthetic and health of your aquatic environment. The ten species we highlighted in this article were carefully selected based on their compatibility with planted tanks, their peaceful nature, and their overall hardiness. Each of these fish not only thrives in a lush, green environment but also interacts beautifully with the plants, contributing to a balanced ecosystem. By considering factors such as size, temperament, and specific care requirements, we aimed to provide a comprehensive guide that caters to both novice and experienced aquarists alike.

Following our list can streamline your decision-making process, helping you avoid common pitfalls associated with fish selection. By incorporating any of these ten small fish into your planted tank, you can create a vibrant, dynamic habitat that supports both plant growth and a harmonious aquatic community. With the right choices, your tank can flourish, providing you with endless enjoyment and a stunning display of nature in your own home.