The Grey Nurse Shark is listed as two separate populations within Australia. The east coast population is listed as critically endangered. The west coast population is listed as vulnerable. This species became the first protected shark in the world when the New South Wales Government declared it a protected species in 1984. The Grey Nurse Shark isContinue reading “Fast Facts: Grey Nurse Sharks”
Bluebottles inhabit waters throughout Australia and are often found in swarms. The sting causes immediate pain, usually lasting about 30 minutes, with typical oval-shaped blanched wheals and surrounding redness of the skin. To treat a sting: 1- Pick off any adherent tentacles with fingers (this has been shown not to be harmful to the rescuer).Continue reading “Sea Doctor: Treating Bluebottle Stings”
The bluebottle (Physalia utriculus) is sometimes confused with its larger, more venomous Atlantic cousin, the Portuguese Man o’ War. It is a common summer visitor to Sydney beaches. In Sydney, it is the north eastern winds and warmer currents, that bring them to beaches on the incoming tides. The Bluebottle is really a colony of fourContinue reading “Fast Facts: Blue Bottles”
The only “blue bottles” we should see, are those that belong in the ocean.
The Crested Horn Shark is often confused with the more common Port Jackson Shark, because they look similar. A way to tell them apart is to look for the different banded pattern. Males mature at about 60 cm in length. Females mature at about 70 cm. The Crested Hornshark is endemic to Australia, occurring fromContinue reading “Fast Facts: Crested Hornsharks”
Port Jackson Sharks are easily identifiable by the harness-like markings which cross the eyes, run along the back to the first dorsal fin, then cross the side of the body. Port Jackson Sharks belong to the family Heterodontidae, which have eight species, all in the genus Heterodontus, three of which are found in Australian waters. TheseContinue reading “Fast Facts: Port Jackson Sharks”
Goosebumps darted all over my body, as I prepped my dive gear in the chilly, harsh wind. Thick, dark, grey rain clouds hovered over us, as an isolated beam of light bathed us in temporary warmth. Strolling to the entrance of Bass and Flinders Dive site in Sydney, Australia, the dense, mature trees provided temporaryContinue reading “Short Story: Baby Port Jackson Shark”