https://www.youtube.com/watch?v=CttLtHF8s7Q&feature=related
Medusas Gigantes
https://www.youtube.com/watch?v=_grpygcg4N8&feature=related
Reprodução água viva aquário de Gênova
https://www.youtube.com/watch?v=4hc16ejBkjM&feature=player_embedded
Invasão das Medusas
https://www.youtube.com/watch?v=fBkmzzAh8Eo&feature=player_embedded
Caravela-portuguesa
https://www.youtube.com/watch?v=M3VSvyxrwXA&feature=player_embedded
Hydra: alimentação
https://www.youtube.com/watch?v=lGJXS7XN8u8&feature=player_embedded
Hydra: reprodução e regeneração