Juvenile eels, known as elvers, arrive in Scottish rivers and lochs after migrating more than 3,100 miles (5,000 km) from the Sargasso Sea near the ... So - are they giant eels?
Juvenile eels, known as elvers, arrive in Scottish rivers and lochs after migrating more than 3,100 miles (5,000 km) from the Sargasso Sea near the ... So - are they giant eels?