Fast Facts: Purple Sea Urchin

The Purple Sea Urchin is one of the most common Sea Urchins found on Sydney’s Coast; Are endemic to Australia; Body colour ranges from white to green, pink, purple and black and the spines are typically different in colour; Due to this colour diversity, it was once thought that the Purple Sea Urchin were threeContinue reading “Fast Facts: Purple Sea Urchin”

Fast Facts: Pineapplefish

The Pineapplefish is an unusual fish that can produce light from organs on the lower jaw. The Pineapplefish looks like a pineapple, hence the name. On either side of the lower jaw is a light organ that produces a greenish glow. The colour of the light is reported to change to red as the fishContinue reading “Fast Facts: Pineapplefish”

Don’t “Mind” me

Before you freedive, it’s important to take care of your mind. What is your mind telling you? Are you stressed or worried? When you wake up, exercise or are facing a stressful event, your pituitary gland reacts. It sends a signal to the adrenal glands to produce just the right quantity of cortisol. With thisContinue reading “Don’t “Mind” me”

Sea Doctor: Treating Bluebottle Stings

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”

Fast Facts: Blue Bottles

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”