Eels, particularly the species known as the European eel (Anguilla anguilla) and the American eel (Anguilla rostrata), have existed for millions of years, with fossil evidence suggesting their ancestors date back to at least 100 million years. They are part of a lineage that has adapted over time to various environmental conditions. Despite their long history, many eel populations are currently facing significant threats due to habitat loss, overfishing, and climate change.
they have lived on earth for about 6000 years
Lobsters have lived on the earth for 250 million years.
We do not know as eels do not leave good fossils. Also your English is a bit wrong your question should be worded "How many extinct eels were there". This is because if they are extinct they would have lived in the past not the present.
they have lived for up to millions of years
very long
heyy
they can be 4ft to 6ft long
2cm long
1mm
For hundreds and millions of years
about 100million yrs
22 yeas