The Louse fish (Phtheirichthys lineatus) is a saltwater fish of the family Echeneidae that grows up to 76 cm.
Description
The slender suckerfish is a remora (Echeneidae) from the open ocean. The species has an elongate body with an oval sucking disc on the head, a modified dorsal fin, with which it attaches to larger animals. It attaches most often to barracudas, but also to other large fishes and sea turtles, and is carried along. It eats food scraps and parasites from its host. The species is harmless to humans.
Frequently asked questions
How do you recognise the Louse fish?
The Louse fish has an elongate, eel-like body, is mainly brown and shows a horizontal stripes pattern.
Where does the Louse fish live?
The Louse fish lives in the sea (marine waters) and is mostly found around open water.
How big does the Louse fish get?
The Louse fish grows to a maximum of about 76 cm.
Is the Louse fish dangerous to humans?
No, the Louse fish is harmless to humans.
Is the Louse fish edible?
The Louse fish is not usually eaten.
Download Fin's Fish Guide
Identify fish in seconds, log your catches and dives. Join the TestFlight beta.
All data
Identification
Appearance
Habitat & distribution
Behaviour & biology
For anglers
Safety
Status & sources
More from the family Echeneidae
Download Fin's Fish Guide
Identify fish in seconds, log your catches and dives. Join the TestFlight beta.