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NudiNotes

NudiNotes

Sometimes a short article on a topic can be informative and also easily remembered because it is focused and the information is not buried in lots of unrelated data.

This is the premise of NudiNotes – short interesting articles on specific sea slug related topics.

As this section is populated the accumulated NudiNotes will be placed under subject related headings.

THE ALLURING ARDEADORIS – Some examples of the genus

THE ALLURING ARDEADORIS - Some examples of the genus Some nudibranchs are both a delight to find and undemanding to photograph. Every time I happen across a species of Ardeadoris, concerns of composition and exposure just melt away as I enjoy myself, capturing their...

RUDIE NUDIES – The Mating Game

RUDIE NUDIES - The Mating Game Nudibranch aficionados, those individuals who spend their time searching the ocean floor for the slimy objects of their desire, will at sometime or other have come across pairs of them conjugating. Because they fertilise internally (with...

CERATA Part 3 – Defensive Attributes

CERATA Part 3 - Defensive Attributes In the Aeolidina, (the aeolids) the cerata have certainly reached the apogee of development, therefore most of the discussion in this Part will pertain to that group. Defences in the aeolids are concentrated in the cerata and...

Table of Sea Slug Feeding Preferences

A generalized table indicating the diet of the major sea slug groups. Click the image below to view the full table (opens in a Google Sheet in a separate tab) About the table The above is just an image for navigation purposes and will not show the latest...

THURIDILLA ENTANGLEMENTS – Some observations on Thuridilla mating

Thuridilla Entanglements Some observations on Thuridilla mating Recently (Feb, 2022) I captured an image of a pair of our Thuridilla cf. splendens apparently engaging in the act of hypodermic insemination (shown above). The image shows both specimens of the pair with...

ILLUMINATION ENLIGHTENMENT – Bioluminescence in Nudibranchs

Plocamopherus ceylonicus displaying the four papilla-mounted bioluminescent globes arranged around the vulnerable gill. ILLUMINATION ENLIGHTENMENT Bioluminescence in Nudibranchs Species of the humble sea slug can possess unusual and extraordinary capabilities such as...

CERATA Part 2 – The Multiple Functions

CERATA Part 2 - The Multiple Functions In Part 1, an overview of cerata was given together with some examples of what are, and what are not, considered to be cerata and which sea slug taxa possess them. A list of their diverse roles was included. Here in Part 2 those...

CERATA: The Multifunctional “Fingers” of Sea Slugs Part 1 – Introduction

CERATA: The Multifunctional "Fingers" of Sea Slugs Part 1 - Introduction The term cerata (singular: ceras) is most often associated with the processes that arise from the dorsum of the Aeolidina - the aeolid nudibranchs. However, it is also commonly applied to the...

HUNTER SEA SLUGS – Brittle Stars, Worms, Bivalves and Crustaceans as prey

HUNTER SEA SLUGS Brittle Stars, Worms, Bivalves and Crustaceans as prey In this NudiNote on sea slug feeding we look at those that are hunters, those sea slugs that actively track down their mobile animal prey as opposed to the majority of sea slugs that are consumers...

Lookalikes to Look Out for – No. 3. – Ceratosoma trilobatum, Ceratosoma tenue & Ceratosoma gracillimum

Ceratosoma trilobatum - Ceratosoma tenue - Ceratosoma gracillimum In No. 3 of this series there are actually 3 species to compare. These 3 are quite often confused and there are good reasons for that confusion. All were described not last century but the century...