Eels may not take most direct route in epic ocean-crossing spawning runs
Meandering swims mean some fish may start journey one breeding season, spawn the next, tracking data suggest
![European eel](https://i0.wp.com/www.sciencenews.org/wp-content/uploads/2016/10/100516_sm_eel_feat_free.jpg?fit=860%2C460&ssl=1)
LONG HAUL European eels (shown) may not all rush to migrate for their once-in-a-lifetime chance to spawn. Analysis of tag data finds unexpected slow wandering.
Bernard DUPONT/Flickr (CC BY-SA 2.0)