[TOP 25] Most Beautiful Fish in the World

When you want to keep beautiful aquarium fish indoors, there are plenty of options for you to explore. This article will recommend the 25 Most Beautiful Fish that can make your aquarium stand out like never before.

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[TOP 25] Most Beautiful Fish in the World 27
  • Appearance: A beautiful ornamental fish with a disc shape, with many different colors and patterns, some with only one color, others with spots, stripes, etc.
  • Care Level: High – Not for beginners to play aquarium fish
  • Temperament: Harmony, swimming with other fishes, sometimes swimming alone.
  • How many children can be raised at the same time: The more, the better
  • The life expectancy of fish: 10 years
  • Length of the body: from 16,5 to 20,3cm

German Blue Ram

Most Beautiful Fish
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  • Appearance: A beautiful ornamental fish, not difficult to raise, with a yellow body with blue spots appearing covering the abdomen, tail, and fins. Especially black stripes are running through their eyes.
  • Care Level: Moderate – They are very sensitive to poor water quality.
  • Temperament: An omnivorous fish that can cause aggression with other fish species that invade the territory and are aggressive.
  • How many children can raise at the same time: Only 1-2 pairs should be raised, keeping them in a certain living space.
  • The life expectancy of fish: 3 years
  • Length of the body: from 5 to 7.6 cm

Siamese Betta (Betta Splenders)

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  • Appearance: This is a very beautiful ornamental fish that is very popular today. It has an elongated body with large colorful fins and colors.
  • Care Level: Medium or High – Not for beginners to fish.
  • Behavior: As predators, you should feed them a protein-rich diet to ensure good development. In addition, Betta fish swim quite slowly, which can cause aggression with other fish in the tank, often used as fighting fish.
  • How many animals can be raised simultaneously: Only 1 male and many females can be raised, absolutely do not keep 2 or more males in the same tank.
  • The life expectancy of fish: 3-5 years
  • Length of the body: from 5 to 6cm

Cardinal Tetra (Cardinal Tetra)

Most Beautiful Fish
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  • Appearance: A very popular ornamental fish, its body has bright blue and red stripes extending from the mouth to the tail.
  • Care level: Easy – Anyone who is just starting out can raise it.
  • Temperament: Calm, active, likes swimming in tanks, is an omnivorous fish.
  • How many children can be raised simultaneously: At least 6 or more, try to build them into a community.
  • Life expectancy: 5 years
  • Length of the body: 5cm

Neon Tetra

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  • Appearance: A beautiful aquarium fish similar to the Red Neon fish, they have a silver belly, blue stripes extending throughout the body, and red stripes extending from the middle fins to the tail.
  • Care Level: Easy – For the beginner to fish.
  • Temperament: Calm, active, an omnivore.
  • How many children can be raised at the same time: At least 6 or more.
  • Life expectancy: 5 years
  • Length of the body: 3 to 5cm

Dwarf Gourami

Most Beautiful Fish
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  • Appearance: A beautiful and colorful aquarium fish, the body is oval in shape with large caudal and dorsal fins. Fish comes in many variations with different colors.
  • Care level: Easy
  • Temperament: An omnivore, able to operate in all aquarium levels, a bit shy compared to other fish, but extremely aggressive when meeting with fellow humans.
  • How many animals can be raised simultaneously: Only 1 male and many females should be raised. Not many males should be raised.
  • Life expectancy: 3-4 years
  • Length of the body: from 7 to 8cm

Fish Jack Dempsey (Jack Dempsey Cichlid)

Most Beautiful Fish
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  • Appearance: A beautiful aquarium fish with a strange shape, a long and muscular body with tail and dorsal fins extending backward. The body is covered with iridescent blue spots.
  • Care level: Medium
  • Behavior: As carnivores, often operating in the middle tier and the bottom of the aquarium, they can be very aggressive when breeding other fish.
  • How many children can be raised simultaneously: You can raise many children together, but it’s best to raise them since they are kids.
  • Life expectancy: 10 years
  • Length of the body: 25cm

Boesemani Rainbow

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  • Appearance: A beautiful and unique ornamental fish with a dark green front half of the body and bright yellow on the back half.
  • Care Level: Easy – For beginners to play fish.
  • Temperament: An omnivore, friendly, and likes to be active in the middle layer of the aquarium.
  • How many children can raise at the same time: The more, the better
  • Life expectancy: 3 years
  • Length of the body: from 7.6 to 11,4cm

Paradise Fish (Paradise Fish)

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  • Appearance: A beautiful aquarium fish with bright green and red stripes running all over the body, dorsal fins, and large caudal fins, of which caudal fins are split into two.
  • Care level: Easy
  • Temperament: An omnivore, moderately active but extremely aggressive and aggressive with other fish.
  • How many animals can be raised simultaneously: You should raise 1 male with many females instead of raising many males simultaneously.
  • Life expectancy: 6-8 years
  • Length of the body: 5-6cm

Endlers Fish (Endlers Fish)

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  • Appearance: The fish in this beautiful scenery looks very similar to the common guppy. Males are bright green and red in color on the body and tail, while females are bluish-gray.
  • Care Level: Easy – For the beginner to aquarium fish.
  • Temperament: Sociable, likes to swim with his own kind, is an omnivore.
  • How many children can be raised simultaneously: Raising as many children as possible creates a community. Also, reduce the number of males and increase the number of females.
  • Life expectancy: 2-3 years
  • Length of the body: from 2.5 to 4,5cm

Notho Blue-fin Fish (Bluefin Notho)

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  • Appearance: Males have a bright red body covered with shiny blue spots. Females are typically gray or beige.
  • Care level: Medium
  • Temperament: A predator likes to swim in the middle and bottom of the tank. Active males like to be aggressive with each other.
  • How many animals can be raised simultaneously: It is better to raise 1 male and many females together.
  • Life expectancy: 1 year
  • Length of the body: from 5 to 6cm

Flowerhorn Cichlid

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[TOP 25] Most Beautiful Fish in the World 38
  • Appearance: This is a unique and beautiful aquarium fish created by humans. Arhat fish has a large and heavy body; most of them have a bright red head and faded yellow body. The whole body is covered with countless iridescent spots.
  • Care level: Medium
  • Temperament: A carnivore with an extremely aggressive personality, not suitable for keeping with other fish. However, they enjoy interacting with humans when they get close to the tank.
  • How many animals can be raised at the same time: Only 1 fish should be raised in the tank
  • Life expectancy: 8-12 years
  • Length of the body: from 25 to 30cm

Cherry Fish (Cherry Barb)

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  • Appearance: A beautiful aquarium fish with a unique bright red body.
  • Care level: Easy
  • Temperament: An omnivore, extremely active, can swim throughout the tank, and extremely friendly with fish of the same species.
  • How many children can raise at the same time: The more, the better
  • Life expectancy: 5-7 years
  • Length of the body: 5cm

Electric Blue Hap

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  • Appearance: A quite unique fish with a long, thin body. Males have a light blue body with dark blue vertical lines, while females have a dull brown body and dark vertical lines.
  • Care level: Medium
  • Temperament: As a predator, active in the territory, so they love to fight with each other, especially among males.
  • Can raise as many children simultaneously: Only 1 male should be raised with a few females.
  • Life expectancy: 7-10 years
  • Length of the body: from 15 to 17cm

Electric Yellow Lab

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  • Appearance: A species of unique ornamental fish with long stems and bright yellow, with a black stripe that runs along the dorsal fin.
  • Care level: Medium
  • Temperament: A carnivore, very active and highly territorial, so the males are often aggressive with each other.
  • How many animals can be raised simultaneously: It is advisable to raise only 1 male with several females because the males will fight to the death.
  • Life expectancy: 10-15 years
  • Length of the body: from 10 to 13cm

Triangular Fish (Harlequin Rasboras)

Harlequin Rasboras Trigonostigma heteromorpha – Detailed Guide Care Diet and Breeding
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  • Appearance: A beautiful aquarium fish and have unique shapes. They can figure orange arrows with red and black patches on either side of the triangle.
  • Care level: Easy
  • Temperament: A very active carnivore likes to swim in the middle and bottom floors of an aquarium.
  • How many fish can be raised simultaneously: It is better to raise 10 or more fish, thus helping to form a fish community.
  • Life expectancy: 5 years
  • Length of the body: 5cm

Three Colored Ali Fish (Salvini Cichlid)

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  • Appearance: Unlike other Ali fish, the 3-color Ali fish has an oval body, pointed snout, and yellow body with black stripes on both sides and the dorsal fin. The fish’s body has sparkling spots. The male has a more vibrant color than the female.
  • Care level: Medium
  • Temperament: An omnivore with a rather aggressive personality and high territorial protection. They usually swim in the middle and bottom levels of the aquarium.
  • How many animals can be raised at the same time: Only 1 male and 1 female should be raised
  • Life expectancy: 8-10 years
  • Length of the body: from 15 to 20cm

Celestial Pearl Danio

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  • Appearance: A beautiful aquarium fish with a very small body, the fish’s body is dark green with yellow spots covering the body. The abdomen and fins are orange or bright red. Males have brighter colors than females.
  • Care level: Medium
  • Temperament: An omnivore, who has a rather shy personality, likes to swim at the bottom of the tank, and likes to snuggle into the plants.
  • How many fish can be kept simultaneously: As much as possible, prioritize the number of females over males.
  • Life expectancy : 3-5 years
  • Length of the body: from 2 to 3 cm

Fancy Colored Guppy (Fancy Guppy)

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  • Appearance: An ornamental fish with a slender and long body with a fan-shaped tail. Fancy Guppies come in a variety of vibrant colors and patterns. In which the male is more colorful than the female.
  • Level of care: Easy – For novice aquarium fish.
  • Temperament: Sociable, likes gathering together on the aquarium’s top floor. When they are hungry, they will swoop toward anyone who feeds them or approach the surface.
  • How many fish can be kept simultaneously: As much as possible with the female to male ratio.
  • Life expectancy: 2 years
  • Length of the body: 5cm

Florida Flag Fish

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  • Appearance: A fish species has a dark green head and a long body covered by iridescent speckled bright red, green, blue, or yellow.
  • Care level: Medium
  • Temperament: As an omnivore, males love to be aggressive with each other. Both males and females have the ability to squeeze the fins to swim slowly in the tank.
  • How many fish can be kept simultaneously: From 6 or more is best, especially if the female should be more than the male.
  • Life expectancy: 2-3 years
  • Length of the body: 5cm

Kribensis Kribensis (Kribensis Rainbow)

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  • Appearance: A beautiful and unique aquarium fish with black lines on the head, back, and sides. The abdomen is bright pink, the tip of the fins is orange, and the tail has black spots. The female will be lighter in color than the male.
  • Care level: Easy
  • Temperament: An omnivore who likes to live in caves, so you need to decorate the rocks for your tank. Rainbow Kribensis are wonderful parents who always care for and protect their children.
  • How many animals can be raised simultaneously: It is best to have a male mixed with several females.
  • Life expectancy: 5 years
  • Length of the body: from 7 to 10cm

Redhead Cichlid

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  • Appearance: A symbolic fish with a distinctive pink-red head, iridescent green, or yellow with black spots on the body. The body is solid and heavy; the male has a more vibrant color than the female.
  • Care Level: High to Very High – Not for beginners to play aquariums.
  • Temperament: An omnivore with a quite shy personality, so it is easy to be startled. They like to swim in the middle and bottom levels of the tank, eating whatever fish fits their mouths.
  • How many animals can be raised simultaneously: Only 1 male and 1 female should be raised; not many males should be raised together.
  • Life expectancy: 10 years
  • Length of the body: from 35 to 40cm

Fish Ali Peacock (Peacock Cichlid)

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  • Appearance: A beautiful aquarium fish with long bodies and large dorsal and tail fins. They come in many different colors that humans have bred over the years. Only children have gray-brown color.
  • Care level: Medium
  • Temperament: As an omnivore, the male can be aggressive towards the female. They are very active in establishing their territory in the cave.
  • How many animals can be raised at the same time: Only 1 male: and 4 females should be kept, do not keep too many males in the same tank.
  • Life expectancy: 8 years
  • Length of the body: from 10 to 15cm

Jewel Fish / Diamond (Jewel Cichlid)

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  • Appearance: A beautiful and unique ornamental fish, the fish has a long, small body and a bright ruby ​​red color. The eyes are black and have glitter spots all over her body.
  • Care level: Medium
  • Temperament: An omnivore and very aggressive. They can kill fish much larger than themselves. In addition, the male-only mates with one female.
  • How many animals can be raised simultaneously: Only 1 male should be raised with 1 female or alone.
  • Life expectancy: 5 years
  • Length of the body: from 14 to 15cm

Green Terror Cichlid

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  • Appearance: A unique and fancy aquarium fish. They have a large olive-green head; each body scales with a bright blue or iridescent green border, forming stripes running along the body. Males have bright orange stripes on the dorsal and caudal fins.
  • Care level: Medium
  • Temperament: An omnivore and aggressive, especially among males.
  • How many animals can be kept simultaneously: Only 1 male and 1 female should be kept in the same tank.
  • Life expectancy: 7-10 years
  • Length of the body: from 15 to 30cm.

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