Aquarium fish

Amur bitterling

Rhodeus sericeus

The Amur bitterling is a small fish with a deep, laterally compressed body, large scales, and …

Black Molly

Poecilia sphenops

The Black Molly has an elongated body. Females tend to be more rounded in appearance. The …

Black tetra

Gymnocorymbus ternetzi

The black tetra has a flat, tall body.

Black-blotched porcupinefish

Diodon liturosus

The body of the Black-blotched porcupinefish is elongated with a spherical head and large, round, forward-projecting …

Cardinal tetra

Paracheirodon axelrodi

The Cardinal tetra has an elongated body that is slightly flattened on the sides. The females …

Goldfish

Carassius auratus

The body of the goldfish is short and tall with a slightly angular shape. It is …

Green swordtail

Xiphophorus hellerii

Green swordtails have elongated, narrow bodies that are flattened on the sides. They also have large …

Guppy

Poecilia reticulata

Guppies exhibit pronounced sexual dimorphism, with males and females differing in size, shape, and colouration. Males …

Neon tetra

Paracheirodon innesi

The neon tetra has a small, slender, and partially transparent body. The fish is characterized by …

Paradise fish

Macropodus opercularis

This species exhibits sexual dimorphism. Males are larger than females and possess elongated filaments on their …

Pearl gourami

Trichopodus leerii

The Pearl gourami has an elongated, oval-shaped body that is strongly compressed laterally.

Pyrrhulina filamentosa

Pyrrhulina filamentosa

Pyrrhulina filamentosa has an elongated body with a large caudal fin, the upper lobe of which …

Sargassum fish

Histrio histrio

The name comes from the Latin word "histrio", meaning "actor", and is related to the behaviour …

Sumatra barb

Puntigrus tetrazona

These barbs have tall, strongly compressed bodies. There are no whiskers. Females are larger than males …

Three spot gourami

Trichopodus trichopterus

In terms of body shape and fin structure, the fish resembles the pearl gourami, but its …

Zebrafish

Danio rerio

The body shape of the zebrafish is fusiform, with compressed lateral sides and a superiorly oriented …