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- Defensive colour in sea slugs
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- Octopus, squid and cuttlefish
- Octopus, squid and cuttlefish - Class Cephalopoda
- Chambered Nautilus
- Nautilus macromphalus
- Nautilus pompilius
- Poison Ocellate Octopus - Octopus mototi
- White-striped Octopus - Octopus ornatus
- Pale Octopus - Octopus pallidus
- Southern Blue-lined Octopus - Hapalochaena fasciata
- Common Sydney Octopus – Octopus tetricus
- Spongetip Octopus - Eledone palari
- Hammer Octopus - Octopus australis
- Southern Keeled Octopus - Octopus berrima
- Veined Octopus - Octopus marginatus
- Slender Cuttlefish – Sepia braggi Verco, 1907
- Hedley’s cuttlefish – Sepia hedleyi Berry 1918
- Reaper Cuttlefish – Sepia mestus Gray, 1849
- Magnificent Cuttlefish – Sepia opipara (Iredale, 1926)
- Papuan Cuttlefish – Sepia papuensis Hoyle, 1885
- Mourning Cuttlefish – Sepia plangon Gray, 1849
- Rosecone Cuttlefish – Sepia rozella (Iredale, 1926)
- Whitley's Cuttlefish – Sepia whitleyana (Iredale, 1926)
- Giant Cuttlefish - Sepia apama Gray, 1849
- Smith's Cuttlefish – Sepia smithi Hoyle, 1885
- Knifebone cuttlefish – Sepia cultrata Hoyle, 1885
- Ken's Cuttlefish – Sepia grahami Reid, 2001
- Ram's Horn Squid – Spirula spirula (Linnaeus, 1758)
- Southern Giant Squid – Architeuthis sanctipauli
- Big bottom bobtail squid – Austrorossia australis Berry, 1918
- Luminous Flying Squid – Eucleoteuthis luminosa Sasaki, 1915
- Southern Bobtail Squid – Euprymna tasmanica (Pfeffer, 1884)
- Southern Pygmy Squid – Idiosepius notoides Berry, 1921
- Joubin's Squid – Joubiniteuthis portiere (Joubin, 1912)
- Luminous Bay Squid – Loliolus noctiluca Lu, Roper & Tait, 1985
- Red Arrow Squid – Nototodarus gouldi (McCoy, 1888)
- Hawaiian Flying Squid – Nototodarus hawaiiensis (Berry, 1912)
- Pencil Squid – Photololigo etheridgei
- Southern Bottletail Squid – Sepiadarium austrinum Berry, 1921
- Striped Pyjama Squid – Sepioloidea lineolata (Quoy and Gaimard, 1832)
- Southern Calamari Squid – Sepioteuthis australis Quoy & Gaimard, 1832
- Bigfin Reef Squid – Sepioteuthis lessoniana Lesson, 1830
- Purpleback Flying Squid – Sthenoteuthis oualaniensis (Lesson, 1830)
- Diamondback Squid – Thysanoteuthis rhombus Troschel, 1857
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Snails and slugs
Snails and slugs, know as gastropods, are the largest group of molluscs and contain about 70% of all mollusc species.
Gastropods include marine species such as turban snails, periwinkles, cowries, limpets, abalones, nerites, whelks and sea slugs (opisthobranchs), as well as freshwater snails and terrestrial snails and slugs (pulmonates).
Gastropod is a Greek word meaning 'stomach foot'. Although gastropods do move around on a large, sliding foot, it is not actually their stomach. The stomach is protected inside their shell. Most gastropods carry a single shell for protection and feed using a kind of rasping tongue with teeth called a radula.
Last Updated: 5 January 2010
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Isabelle Kingsley
02 February 2012
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Wee like it! Great post Isabelle.
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