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”

Fast Facts: Crested Hornsharks

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”