Top 5 Fish Species for Beginners 🐟

By Aquatic Finatics

Starting your first aquarium is an exciting journey. Watching fish explore their environment, interact with plants, and develop their personalities can quickly turn a simple hobby into a lifelong passion.

For beginners, choosing the right fish species is one of the most important decisions. Some fish are hardy, adaptable, and forgiving of small mistakes—perfect for those just getting started.

Here are five fantastic fish species for beginner aquarists that are beautiful, easy to care for, and widely loved in the hobby.

1. Guppies (Poecilia reticulata)

Guppies are one of the most popular beginner fish in the world, and for good reason.

They are hardy, colorful, and extremely active, bringing life and movement to any aquarium. Guppies also come in a huge variety of colours and tail shapes, making them exciting to collect and breed.

Why beginners love them

Very hardy and adaptable
Peaceful community fish
Bright colours and interesting patterns
Easy to breed

Care tips

Tank size: 40L+
Temperature: 22–28°C
Best kept in groups

2. Neon Tetras (Paracheirodon innesi)

Neon tetras are small schooling fish known for their brilliant blue and red colours that shimmer in aquarium lighting.

They feel safest in groups, so keeping a small school creates a beautiful display as they swim together through the aquarium.

Why beginners love them

Peaceful and community-friendly
Small size
Stunning colour contrast
Great for planted aquariums

Care tips

Tank size: 60L+
Temperature: 22–26°C
Keep at least 6–10 together

3. Corydoras Catfish (Genus Corydoras)

Corydoras are peaceful bottom-dwelling fish that spend their time searching the substrate for food.

They are incredibly entertaining to watch and help keep leftover food from accumulating in the tank.

Why beginners love them

Very peaceful
Social and playful behaviour
Excellent community fish
Great for planted tanks

Care tips

Tank size: 60L+
Temperature: 22–26°C
Keep in groups of at least 4–6

4. Platies (Xiphophorus maculatus)

Platies are bright, friendly, and incredibly easy to care for, making them perfect for beginners.

They come in many colour varieties and adapt well to different aquarium conditions.

Why beginners love them

Extremely hardy
Peaceful community fish
Easy to feed
Active and colourful

Care tips

Tank size: 40L+
Temperature: 22–26°C
Best kept in small groups

5. Betta Fish (Betta splendens)

Betta fish are famous for their beautiful flowing fins and bold personalities.

They are ideal for beginners who want a single centerpiece fish in a smaller aquarium.

Why beginners love them

Extremely beautiful
Can live in smaller tanks
Lots of personality
Easy feeding

Care tips

Tank size: 20L+
Temperature: 24–28°C
Keep one male per tank

Final Thoughts

Choosing beginner-friendly fish makes your first aquarium experience much more enjoyable and successful. Hardy species allow new aquarists to learn the basics of aquarium care while still enjoying a beautiful and lively tank.

At Aquatic Finatics, we love helping new hobbyists start their aquarium journey with the right fish, plants, and equipment.

🐟 Need help choosing your first fish?
Visit us in-store or contact Aquatic Finatics and we’ll gladly help you build the perfect beginner aquarium.