Best 5 Options for Petco Live Fish in 2025
As fishkeeping continues to gain popularity, enthusiasts and new hobbyists alike are turning to reliable stores like Petco for sourcing their aquatic companions. With a wide selection of live fish, Petco not only provides fish but also a broad range of fish care products necessary for maintaining a healthy environment. This article will highlight the top five live fish options available at Petco in 2025, with a focus on both freshwater and saltwater species. Whether you're interested in Betta fish, goldfish, guppies, or cichlids, we’ll explore the unique benefits and needs of each option, ensuring a suitable choice for your aquarium setup.
Understanding the needs and behaviors of different fish species is crucial for creating a thriving aquatic community. Additionally, we'll touch upon necessary fish supplies that Petco offers to assist in the successful setup and maintenance of your aquarium. Let’s dive into the best live fish options available!
1. Betta Fish: Colorful Companions for Small Tanks
Betta fish, also known as Siamese fighting fish, are a popular choice for beginners due to their vibrant colors and relatively simple care requirements. These freshwater fish thrive in smaller tanks but require proper tank conditions to stay healthy. At Petco, you can find various Betta fish types, each displaying stunning colors and fin configurations.
Betta Fish Care Tips
Maintaining a healthy habitat for Betta fish includes providing at least a 5-gallon tank with a secure lid, as they can jump. Using a heater is essential to keep the water at around 78-80°F. Regular water changes and a good filtration system will help maintain fish water quality.
Choosing Betta Tank Mates
Betta fish can be territorial, especially males. When selecting tank mates, consider peaceful species such as neon tetras or guppies. It's vital to monitor fish behaviors to avoid aggression and ensure a harmonious community tank.
Accessories for Betta Fish
In addition to tank mates, consider enhancing your Betta's environment with plants and hiding spots. Utilize Petco's fish tank supplies to create an enjoyable habitat that supports your Betta's natural behaviors.
2. Goldfish: Classic Pets for Beginners
Goldfish remain one of the most beloved freshwater fish species suitable for all ages. They are known for their hardiness and engaging behaviors, making them a great choice for new pet owners. Petco offers different varieties of goldfish, each bringing a unique aesthetic to any aquarium setup.
Goldfish Care and Feeding
Goldfish can grow significantly, needing larger tanks as they mature. A minimum of 20 gallons is recommended for one goldfish, while ensuring proper tank cycling and filtration systems to keep the environment clean. A proper fish feeding guide indicates that high-quality flakes or pellets are the best choice for their nutrition.
Common Goldfish Health Concerns
Like all fish, goldfish are susceptible to diseases. Regular check-ups on the water quality, including pH levels, will help prevent any health issues. Be aware of signs of stress and illness to manage their care effectively.
Goldfish Tank Design Ideas
Creating a visually appealing tank for your goldfish can elevate the overall experience. Use aquarium plants to provide natural environments while ensuring there’s ample swimming space available. Decorative elements like rocks can also enhance their habitat while offering hiding spots and reducing stress levels.

3. Guppies: Perfect for Community Tanks
Guppies are known for their playful nature and bright colors, making them a fantastic addition to community tanks. Their adaptability and minimal care requirements make them an excellent choice for both beginners and experienced aquarists alike. Petco has an impressive selection of guppy species.
Guppy Care and Compatibility
These small fish thrive in groups, so it’s best to purchase them in schools. They prefer a tank of at least 10 gallons with stable temperatures and good water quality. When choosing tank mates, ensure compatibility with other peaceful fish species like platies or mollies.
Breeding Guppies
Guppies are livebearers and can reproduce quickly in warm tank environments. If you’re interested in breeding, be prepared with proper fish breeding supplies and consider separating the fry in a breeding box to ensure their survival.
Guppy Nutrition and Health
Feeding guppies a varied diet that includes high-quality flakes, live or frozen food will promote vibrant colors and health. Observing their behavior is crucial to spot signs of stress or illness early.

4. Neon Tetras: Striking Colors for a Vibrant Community
Neon tetras are another favorite among aquarists due to their distinctive blue and red stripe. These small freshwater fish are peaceful and can enhance any aquarium environment, especially when kept in schools of six or more. Available at Petco, they make a colorful addition to community tanks.
Creating the Right Environment for Neon Tetras
To keep neon tetras healthy, replicate their natural habitat by providing a densely planted aquarium. Softened and slightly acidic water with stable temperatures promotes their growth and reduces stress.
Neon Tetra Care Tips
Regular water changes and monitoring fish behavior are crucial for the health of your tetras. Proper filtration and maintaining the right water conditions, including checking the pH levels and ammonia levels, are key aspects of their care.
Common Health Issues and Prevention
Stress and illness can be indicated by changes in color and swimming behavior. Petco’s fish medication guide can provide information on treating common diseases affecting neon tetras, such as fin rot or ich.
5. Cichlids: Dynamic Fish for Experienced Keepers
Cichlids are often recommended for more experienced fishkeepers due to their unique behaviors and territorial nature. Petco stocks various cichlid species, offering a diversity that can make any aquarium captivating.
Cichlid Behavior and Habit
Understanding cichlid behaviors is crucial for maintaining harmony in tanks. These fish thrive in larger aquariums, typically at least 30 gallons, with proper filtration and ample hiding spots.
Feeding and Health Maintenance
Cichlids enjoy a varied diet that can include pellets, live foods, and vegetables. Monitoring their growth and health can ensure they thrive. Regular water testing is essential to keep track of tank parameters.
Best Tank Mates for Cichlids
Choosing compatible species is vital since cichlids can be territorial. Avoid mixing with overly aggressive species and instead try community fish that can withstand their formidable personalities.
Conclusion: Setting Up Your Petco Aquarium
Petco offers a range of live fish options, from vibrant Betta fish to engaging cichlids, catering to both beginners and seasoned enthusiasts. Investing in proper fish care supplies, like filtration systems and health monitoring products, is essential for ensuring your aquarium’s success. Remember, it’s vital to understand each species' specific needs and maintain healthy tank conditions for a thriving aquatic environment. By considering these top options and following best practices, you can create a beautiful, lively community of fish in your home. Happy fish keeping!
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