whales just wanna have fun!
July 25, 2010 by BayKeeper
Filed under Featured, Wild Things
If you had to choose a magic marine moment, it would be hard to beat the spectacular breach of a Humpback whale. They just love to leap, roll in mid air, and land on their back. Why do they do it? Perhaps just cos they can! Baykeeper is truly envious of Ron, Tania, Duke and [...]
North Pacific Seastar population decline?
July 25, 2010 by BayKeeper
Filed under Featured, Wild Things
The beautiful, but destructive North Pacific Seastar (Asterias amurensis) first arrived in Port Phillip Bay in the 1990s in ship ballast water. As they eat practically anything live or dead that they can climb onto, they thrived in the local conditions where they have few natural predators. In less than 10 years they became the [...]
‘average tide’ hides local reality
The fact that the tidal range at ‘the Entrance’ is around twice that at Port Melbourne highlights the fact that there are very different tidal zones in the Bay. Incoming tides are impeded by the Bay’s narrow Entrance, and then by ‘the Sands’, the vast triangular area of shallow sand flats which are a barrier [...]
