Only very rarely marbled
swamp eels from South America are available. After a quite long time we now have a number of juveniles from Peru in stock. The species attains a maximum length of about 1.5 m. These very large individuals are always males, because swamp eels change their sex. Most of them are born as females and become males at an age of about 4 years. This type of sex change, which is quite common in marine fish, but very unusual for freshwater fish, is called
protogynous hermaphroditism.
All species of swamp eel can breathe atmospheric air and so survive in very oxygen-poor water.
For our customers: the fish have code 295202 on our stock list. Please note that we exclusively supply the wholesale trade.
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