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THE ALGAE GRAZERS

  The Algae Grazers (Header image above – Petalifera ramosa) It has long been established that the algae are the base upon which the marine food web is built and sustained. Algae are an important food source for numerous marine animals across many different...

THE CORAL EATERS

Many people are surprised to learn that some nudibranch sea slugs are actually corallivorous, that is they feed upon corals. Those that keep corals in aquariums however know only too well the havoc certain nudibranchs can cause particular corals. Corals don’t look to...

16-02-2021 La Balsa Park

DAY/DATE Tuesday 16/02/2021 SITE/S La Balsa Park   PARTICIPANTS Julie, Terry, David   TYPE Subtidal   MODE Shore Entry   VESSEL –   DIVE 1   SITE/S La Balsa Park (Toilet Block Entry)   SPECIES # 7   DURATION 126 Min  ...

14-02-2021 Nudi Ledge

DAY/DATE Sunday 14/02/2021 SITE/S Nudi Ledge Currimundi Reef PARTICIPANTS Julie, Terry, David   TYPE Subtidal   MODE Boat Dives   VESSEL Rebel II   DIVE 1 2 SITE/S Nudi Ledge Nudi Ledge SPECIES # 21 19 DURATION 83 Min 73 Min DEPTH/RANGE 14-18 m...

GIVING THE FINGER – The siphon of gastropterids

The Gastropteridae are cephalaspideans or head-shield slugs. It would appear that their “main claim to fame”, bright and dramatic colouration of many aside, revolves around the ability and propensity of many to swim by flapping their parapodia. This behaviour has led...

SPECIFICITY IN DIVERSITY – The diet of sea slugs

Across the entire group, the sea slugs have an extremely diverse source of food types, but conversely, each species usually has an extremely specific diet restricted in many cases to one or only few, usually closely related, prey species. A list of the animal types...