talking points for nature guides
molluscs text index | photo index
Phylum Mollusca > Class Gastropoda > sea slugs
Photo index of sea slugs on Singapore shores

slugs with feathery external gills on their backs
small slugs <5cm
large slugs >5cm
very large slugs >10cm

slugs without external gills
body in two flaps
body rounded with bumps
body hairy or with finger-like projections
body with tendrils, etc
body smooth
with external shell

These are NOT sea slugs
Phylum Annelida
Class Polycladida

Synaptid sea cucumbers
Phylum Echinodermata
Class Holothuroidea

Hoof-shield limpet
Phylum Mollusca

Phylum Mollusca
Family Cypraeidae

Moon snail
Family Naticidae

how to tell apart

photo index of
molluscs on this site
Phylum Mollusca
all molluscs

sea slugs

external gills
body features
  small <5cm
large >5cm
very large >10cm

no external gills
body features
  two flaps
with bumps
external shell
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