Fin's Fish Guide
The Blue dartfish (Ptereleotris calliura) is a saltwater fish of the family Microdesmidae that grows up to 13 cm.
Description
The blue dartfish is a graceful dartfish (Microdesmidae) from the western Indian Ocean. The species grows to about 13 cm and has an elongate, blue-grey body with a deeply forked tail and light-blue accents on the head. It hovers just above sand and rubble bottoms near reefs and darts into a burrow at lightning speed when threatened; it eats zooplankton from the current. The fish is harmless to humans.
Frequently asked questions
How do you recognise the Blue dartfish?
The Blue dartfish has an elongate, eel-like body and is mainly blue.
Where does the Blue dartfish live?
The Blue dartfish lives in the sea (marine waters) and is mostly found around stony or rocky ground. North America: Belize, Mexico, USA
How big does the Blue dartfish get?
The Blue dartfish grows to a maximum of about 13 cm.
Is the Blue dartfish dangerous to humans?
No, the Blue dartfish is harmless to humans. This species is harmless to humans. No specific first aid is needed. Still handle the fish with care: mind the fin rays and the sharp edges of the gill cover, and rinse any scratch with clean water and cover it. For a dirty or deep wound check tetanus status.
Want the complete picture on the Blue dartfish?
Point your camera at the fish and Fin names the species in seconds. Free, and the Blue dartfish is one of 12,519 species in the app.
All data
Identification
Appearance
Habitat & distribution
Behaviour & biology
For anglers
Safety
Status & sources
Same genus Ptereleotris
More from the family Microdesmidae
Want the complete picture on the Blue dartfish?
Point your camera at the fish and Fin names the species in seconds. Free, and the Blue dartfish is one of 12,519 species in the app.