Common name: Striped poison fangblenny mimic

General information

The Bluestriped Fangblenny, scientifically known as Petroscirtes breviceps, is a small, colorful fish that is popular among marine aquarium enthusiasts. This species is known for its distinctive blue stripes that run along the length of its body and its elongated, fang-like teeth, which it uses to nip at the fins and scales of larger fish to feed on their mucus and skin.

Care

Bluestriped Fangblennies are relatively hardy and can adapt to life in an aquarium. They require a tank with plenty of live rock for hiding and foraging. It's important to provide a varied diet that includes meaty foods like mysis shrimp, brine shrimp, and finely chopped seafood. Caution should be exercised when housing them with larger, peaceful fish as they may nip at their fins.

Reproduction

In the wild, Bluestriped Fangblennies are oviparous, with females laying eggs that are then fertilized by the male. The eggs are adhesive and are typically attached to the substrate or within crevices. In the aquarium, breeding is less common, but with a well-established pair, spawning can occur. The fry are planktonic and require very small food particles during their early stages of development.

Symbiosis

While not known for a specific symbiotic relationship, Bluestriped Fangblennies are often found in close proximity to larger fish, from which they derive sustenance by feeding on their mucus and skin. This behavior is more parasitic than symbiotic, as it can cause harm to the host fish.

Habitat

Petroscirtes breviceps is native to the Indo-Pacific region, where it inhabits coral reefs and rocky outcrops. They are often found in shallow waters, hiding among the crevices and overhangs of the reef structure.