The Randall's triplefin (Helcogramma randalli) is a saltwater fish of the family Tripterygiidae that grows up to 5 cm.
Description
The Randall's triplefin is a triplefin (Tripterygiidae) from shallow reef water of the Indo-West Pacific. The species grows to about 4 cm and has a slender, brown-speckled body with three separate dorsal fins and large pectoral fins; courting males often colour up. As a bottom-dweller it perches on coral, rocks and in crevices and snaps at small crustaceans and algae. The fish is harmless to humans.
Frequently asked questions
How do you recognise the Randall's triplefin?
The Randall's triplefin has an elongate, eel-like body, is mainly brown and shows a spots pattern.
Where does the Randall's triplefin live?
The Randall's triplefin lives in the sea (marine waters) and is mostly found around stony or rocky ground.
How big does the Randall's triplefin get?
The Randall's triplefin grows to a maximum of about 5 cm.
Is the Randall's triplefin dangerous to humans?
No, the Randall's triplefin is harmless to humans.
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
Same genus Helcogramma
More from the family Tripterygiidae
Download Fin's Fish Guide
Identify fish in seconds, log your catches and dives. Join the TestFlight beta.