The Blacktail dartfish (Ptereleotris heteroptera) is a saltwater fish of the family Microdesmidae that grows up to 14 cm.
Description
The Blacktail dartfish is a dartfish (Microdesmidae) from the Indo-Pacific. The species grows to about 14 cm and has an elongate, blue body. The light-blue body has a conspicuous dark spot on the tail. 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 Blacktail dartfish?
The Blacktail dartfish has an elongate, eel-like body and is mainly blue.
Where does the Blacktail dartfish live?
The Blacktail dartfish lives in the sea (marine waters) and is mostly found around stony or rocky ground.
How big does the Blacktail dartfish get?
The Blacktail dartfish grows to a maximum of about 14 cm.
Is the Blacktail dartfish dangerous to humans?
No, the Blacktail dartfish is harmless to humans.
Is the Blacktail dartfish edible?
Yes, the Blacktail dartfish is commonly eaten.
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All data
Identification
Appearance
Habitat & distribution
Behaviour & biology
For anglers
Safety
Status & sources
Same genus Ptereleotris
More from the family Microdesmidae
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