Common name: Lined dartfish

General information

The Grammistes Blenny, also known as the Striped Dartfish or Target Mandarin, is a small, colorful fish that adds a vibrant touch to any saltwater aquarium. Its scientific name is Ptereleotris grammica, and it belongs to the family Microdesmidae. This species is known for its elongated body and striking coloration, which typically includes a series of vertical stripes that can range from blue to purple, with a yellowish tail.

Care

Ptereleotris grammica is a relatively hardy species that can be a good choice for both novice and experienced aquarists. They prefer a well-established aquarium with plenty of rockwork and caves to hide in. It's important to provide a peaceful environment as they can be shy and are easily outcompeted for food by more aggressive fish. A varied diet of small meaty foods like mysis shrimp, brine shrimp, and finely chopped seafood is essential for their health.

Reproduction

In the wild, Ptereleotris grammica are known to form monogamous pairs during the breeding season. They are demersal spawners, meaning they lay their eggs on the substrate or on the sides of rocks. In the aquarium, breeding is possible but challenging, requiring excellent water quality and a stress-free environment.

Habitat

The Grammistes Blenny is found in the Indo-Pacific region, from the Red Sea and East Africa to Samoa, and north to the Ryukyu Islands. They inhabit coral reefs and lagoon waters, often seen hovering above the bottom where they can dart into crevices when threatened. They are typically found at depths ranging from 1 to 30 meters.