Guppy Fish in Aquarium

Know Newborn Guppy Fry Growth Chart & How To Grow Them Faster

Are you interested in keeping guppies?

If so, you need to know about newborn guppy fry growth charts and how to grow them faster. As a first-time guppy owner, I was overwhelmed by all the information on raising these little fish. That’s why I’m here to help!

In this article, I’ll explain what guppy fry are, show you their growth chart, and provide tips on how to make sure your guppies reach their full potential. With my guidance, you’ll be able to give your guppies the best possible care and ensure they live long and healthy lives. So let’s get started!

Key Takeaways

  • Guppy fry growth stages depend on food, tank size, and water quality.
  • Guppies grow rapidly, doubling in size every two weeks.
  • Male guppies reach full size in 8 months, around 1.5 inches, while female guppies take up to a year or more to reach 2-3 inches in length.
  • Providing a balanced diet, clean water, and adequate living space promotes healthy growth rates in guppy fry.

What Is Guppy Fry?

You may be wondering what guppy fry are – they’re baby guppies! These little fish are the size of a pencil eraser when born and will reach full-grown size in about 8-10 months. Guppy fry growth stages depend on adequate food, tank size, and water quality.

A newborn guppy fry growth chart will show you the expected sizes for each stage of their development. Keeping your tank at an appropriate temperature and providing enough food is key to growing healthy, happy guppies faster.

Also read: Can You Have A Jellyfish As A Pet: Yes/No?

Newborn Guppy Fry Growth Chart

As a passionate aquarist, I’m often asked how long guppies take to grow in an aquarium and just how big they get.

Newborn Guppy Fry Growth Chart

Male guppies typically reach full size within 8 months, usually around 1.5 inches.

Female guppies can take up to a year or more to reach 2-3 inches in length.

Knowing the growth rate of your guppy fry will help you plan for tank size and number of fish accordingly.

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How Long Do Guppies Take To Grow In Aquarium?

Guppies typically grow to full size within a few months, so you can expect your aquarium inhabitants to reach maturity in no time. The guppy fry stages are characterized by rapid growth, and the fish will double their size every two weeks.

How fast do guppies grow? Let’s check out.

How Big Do Male Guppies Get?

Male guppies can get quite big, often reaching up to 1.5 inches in length when fully mature. An adult guppy will usually be around 1.5 inches from head to tail, while a baby guppy is only about 1/4 inch at birth.

The fancy guppy size and the full grown guppy size vary greatly depending on the breed. Guppies go through several growth stages before they reach their max size.

Baby guppies have a fast growth rate but slow down as they reach adulthood. With proper care, it’s not uncommon for fancy guppies and other breeds to live up to three years and reach their full size potential.

How Big Do Female Guppies Get?

Female guppies can reach up to 3 inches in length, making them slightly larger than their male counterparts. Adult guppies have a maximum size of 3.5 inches, while pregnant females may grow an extra 0.5 inch due to eggs or fry inside her body.

Juvenile guppy fry are born at around 1/4 inch and must be provided with small amounts of food such as live baby brine shrimp or other fatty foods to help them grow into adult guppies quickly and stay alive.

How To Grow Guppy Fry Faster?

Growing guppy fry faster requires a balanced diet, the right water temperature, proper tank setup, safety, and minimal stress. To achieve this, regular feeding with small amounts of high-quality food is recommended. Let’s check out one by one.


Feeding your newborn guppy fry a nutritious diet is key to boosting their growth rate. To ensure they’re growing quickly, keep them in a separate tank of 1-5 gallons with clean water.

Provide variety and nutritional flake food for the best results. If you want to see your guppies grow quickly, make sure they have enough space and the right diet.

Water Temperature

Maintaining proper water temperature for guppy fry is essential to their development and health. In a community tank, the best temperature range is between 75-82 degrees Fahrenheit. For an aquarium tank, use a basic setup that includes an air pump and filter.

Breeding tanks should be kept at 80-82 degrees Fahrenheit with frequent water changes. You should provide types of food such as flake or frozen foods, along with fatty food items like bloodworms or brine shrimp. Monitor the food and water conditions regularly to ensure optimal growth for your guppies.

Tank Setup

Creating the perfect tank setup for your guppies is key to ensuring their health and wellbeing.

Knowing how big do guppies get and understanding the stages of development can help you decide on a size for their concrete tank. Food choices should include both color-enhancing flakes as well as baby brine shrimp or daphnia for nutritious meals.

Make sure they have ample space, hiding places, and plenty of vegetation. Guppies fry need extra care in order to grow into healthy adults.

Safety & Stress

Ensuring your guppies’ safety and reducing stress is essential to their wellbeing. To ensure a colorful life cycle, provide hiding spots for the guppy fry and regularly change the water in their tank. Give them plenty of room to swim and don’t overcrowd the tank as this can cause much unnecessary stress.

A happy life center should be established with a balanced diet, clean water, and adequate living space to promote healthy growth rates over the month of life. Guppies need these key ingredients to thrive in order to enjoy a long-lasting, colorful life cycle.


Summing up, the key to successful guppy fry growth is providing them with a healthy environment. This should include hiding spaces and lots of hiding spots for the week-old fry, so they can develop intense color.

Feeding them two to three times a week will also help promote their health.

With these steps in place, guppies have a great chance of reaching maturity in optimal condition and with vibrant colors.

Frequently Asked Questions

  1. What type of water conditions do guppy fry need?

    Guppy fry need clean, warm water with low ammonia levels and a pH between 6.5-7.5. They also require plenty of oxygen, so aeration is important. Regular water changes are essential to ensure the environment remains healthy for them.

  2. What are the ideal water temperatures for guppy fry?

    Guppy fry thrive best in water temperatures between 75-80°F. Staying consistent with the temperature is key for their growth and development.

  3. What kind of food do guppy fry need to eat?

    I feed my fry baby brine shrimp, microworms, and crushed flakes. They need small food they can easily consume. Variety is important too.

  4. How often should guppy fry be fed?

    I feed my guppy fry five to six times a day. This helps ensure they get the nutrition they need to grow quickly and remain healthy.

  5. How long does it take for guppy fry to reach adulthood?

    It usually takes guppy fry about 2-3 months to reach adulthood. With proper care and nutrition, you can help them grow faster.



Meet me, your dedicated author and fish aficionado. With a deep-rooted passion for all things aquatic, I bring a wealth of knowledge, experience, and enthusiasm to this fish and aquarium website. As an avid fishkeeper myself, I understand the joys and challenges that come with creating a thriving underwater world. Through my articles, guides, and recommendations, I strive to provide you with accurate, reliable, and engaging content that will enhance your fishkeeping journey. Join me as we dive into the fascinating realm of fish and aquariums, and together, let's make your aquatic dreams a reality.

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