Behavioral Research Blog

Making the impossible possible – Tracking under water in the dark

Posted by Olga Krips on Oct 21, 2013

Fascinating life cycle
European eels (Anguilla anguilla) have a life cycle in which both larvae and adults travel incredible distances. The eggs hatch in the Sargasso Sea near North America and the larvae swim all the way to Europe. Near the European estuaries (the coastal areas with brackish water) they transform into the so-called glass eels that are transparent and approximately 8 cm in size. These glass eels enter the estuaries and move upstream in the fresh water, overcoming all sorts of natural challenges and tackling many obstacles to reach the waters where they will grow up. Then after 5 to 20 years, they mature and make the entire difficult journey back to the Sargasso Sea to spawn and die [1,2].

Read More

Topics: EthoVision XT, Video tracking, fish, shoaling behavior, swimming behavior

Subscribe to Email Updates

Posts by Topic

see all