Il y a quelques jours, la présence d’un requin blanc a été signalée dans les eaux de la baie de Fundy, près de St. Andrews. Depuis quelques années, le nomb
Ecologists have discovered a food web beneath the waves of French Polynesia that is both unusual and spectacular. A small channel hosts up to 700 sharks – far more than it can support based on the number of fish living there. The predators survive by feasting every winter on huge numbers of grouper fish, which swim into the channel to spawn.
If you’re in California, researchers want to know when you see smooth and scalloped hammerhead sharks.
How can so many sharks exist in a place where there isn’t enough prey?