* Swim speed in relation to prey speed (Ropert-Coudert et al. 2006).
* Dive angle (Ropert-Coudert et al. 2005).
* Biomechanical aspects of diving (Kato et al. 2006).
* Impact of loggers (Grémillet et al. under analysis).
* Swim speed and oxygen consumption (Enstipp et al. under analysis).