The Backfin cave loach (Oreonectes retrodorsalis) is a freshwater fish of the family Nemacheilidae that grows up to 4 cm.
Description
The Backfin cave loach is a stone loach (Nemacheilidae) from caves and underground streams of the limestone caves of southern China in East Asia. The species grows to about 6 cm and has a slender, pale to translucent body with strongly reduced eyes and barbels around the mouth, adapted to life in complete darkness. As a bottom-dweller it feels over rock and sediment and snaps at small invertebrates and organic matter. The fish is harmless to humans.
Frequently asked questions
How do you recognise the Backfin cave loach?
The Backfin cave loach has an elongate, eel-like body and is mainly white.
Where does the Backfin cave loach live?
The Backfin cave loach lives in fresh water and is mostly found around stony or rocky ground.
How big does the Backfin cave loach get?
The Backfin cave loach grows to a maximum of about 4 cm.
Is the Backfin cave loach dangerous to humans?
No, the Backfin cave loach 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 Oreonectes
More from the family Nemacheilidae
Download Fin's Fish Guide
Identify fish in seconds, log your catches and dives. Join the TestFlight beta.