Pseudomugil gertrudae (Gertrudae, Blue-Eyed)

Small silver species, yellowish or green, very variable. Elongated body.

The Pseudomugil Gertrudae is a little freshwater fish from Australia. It belongs to the Pseudomugilidae family, which includes around 25 species of fish. The Pseudomugil Gertrudae is commonly called "fish-in-ciel" due to its beautiful rainbow coloring.

The body of Pseudomugil Gertrudae is long and tapered, with a caudal bifide fin which gives it a fly look. The head of the fish is small and sharp, and the eyes are large and round. The mouth is small and located below the body, which allows it to easily capture the small water animals it feeds.

The Pseudomugil Gertrudae has a lively and bright rainbow coloring, with vertical strips of colors ranging from blue to red through green, yellow and orange. The lower part of the body is generally white or gray. Males have more colorful fins than females, and they also have a larger dorsal fin.

The Pseudomugil Gertrudae is a very social fish, who likes to live in a group. In nature, they come together in benches and can be found in the streams, lakes and freshwater swamps of Australia. They are mainly herbivores, but can also eat insects and small crustaceans.

The Pseudomugil Gertrudae is a popular fish in aquariums, where it can live up to 5 years if it is well maintained. They need a well planted aquarium with shaded places to hide, as well as enough space to swim and move. They are peaceful and can live in harmony with other freshwater fish, but it is best not to put them with larger fish that could injure them.

The male has much more developed fins.