Filamented Dartfish

General information

The Filamented Dartfish (Ptereleotris hanae) is a small and colorful saltwater fish that can grow up to 3 inches in length. They have a slender, elongated body with vibrant shades of blue, green, and yellow. Filamented Dartfish are typically peaceful and active swimmers that do well in small groups in a well-maintained aquarium.

In the wild, Filamented Dartfish feed on a diet of plankton and small crustaceans. In an aquarium setting, they will accept a variety of foods including frozen or live brine shrimp, mysis shrimp, and other small meaty foods. It is important to provide them with a varied diet to ensure they receive all the necessary nutrients.

There is no visible difference between male and female Filamented Dartfish.

Filamented Dartfish are known to spawn in captivity, but breeding them can be difficult. They are egg scatterers and the eggs hatch within a few days. It is best to provide a separate breeding tank with plenty of hiding places for the eggs and young.

Filamented Dartfish are generally hardy and disease-resistant if kept in a well-maintained aquarium. However, they can be susceptible to common saltwater fish diseases such as ich and velvet if water quality is poor or if they are stressed due to poor husbandry.

Filamented Dartfish are native to the Western Pacific Ocean, particularly in the waters around Japan and the Philippines.

Filamented Dartfish are generally not aggressive towards other tank mates, but they may become territorial towards other dartfish or fish of similar shape and size. It is important to provide plenty of hiding places and swimming space to prevent any aggression.

When introducing Filamented Dartfish to a new aquarium, it is important to slowly acclimate them to the new environment. The drip acclimation method is recommended, where water from the aquarium is gradually added to the transport bag over a period of several hours.