10 Most Beautiful and Smart Freshwater Aquarium Fish

10 Most Beautiful and Smart Freshwater Aquarium Fish

By Sheetal Kumari | July 10, 2025 

Vibrant, sophisticated, and aggressively smart, bettas can recognize owners and are trainable. Just don’t keep two males in the same tank!

Betta Fish 

(Image: Canva)

Oscars are smart problem solvers with good memories. They even playfully interact with their human caregivers.

Oscar Fish

(Image: Canva)

These elegant swimmers are noticed for their regal fins and intelligent nature. They can even learn to recognize tank mates over time.

Angelfish

(Image: Canva)

Discus are peaceful, vibrant, and very social. They’re also highly perceptive and require a tranquil, enhanced environment.

Discus Fish

(Image: Canva)

Gouramis are peaceful and tolerant and are intelligent enough to investigate their world and respond with gentle body postures.

Gourami

(Image: Canva)

Cichlids exhibit exceptional parental devotion and territoriality. They become familiar with tank rhythms and tend to respond to hand signals.

Cichlids (Various Types)

(Image: Canva)

As their name indicates, rainbowfish glimmer in brilliant colors. They are active swimmers and surprisingly attentive to their surroundings.

Rainbowfish

(Image: Canva)

Pearl Gourami fish are dotty and delicate, like pearls. They are friendly, quiet, and intelligent enough to learn when to be fed.

Pearl Gourami

(Image: Canva)

Swordtails are laid-back and inquisitive. Their docile nature and unusual tail shape make them a favorite for community tanks.

Swordtail

(Image: Canva)

Mollies are energetic, resilient, and intelligent. They do well in schools and enjoy interacting with their environment.

Mollies

(Image: Canva)

Next: 10 Endangered Wildlife Species in India You May Not Know About
Thanks For Reading !
Find out More