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Photos

Egg mass photos
  
Gastropoda
    Anaspidea
    Basommatophora
    Cephalasipidea
    Littorinimorpha
    Neogastropoda
    Neritopsidea
    Nudibranchia
    Pleurobranchia
    Sacoglossa
  Polychaeta
  Osteichyes
  Unknown
Gastropod photos (adult)
Hard clam development
 

Egg mass photos

Anaspidea

Aplysia juliana

Spawning adults and egg masses

Aplysia sydneyensis

Spawning adults with egg mass

Bursatella leachii

Dolabella auricularia

Egg mass under dissecting microscope

Dolabrifera brazieri

Adults and egg ribbons

Stylocheilus striatus

Basommatophora

Siphonaria denticulata

underdeveloped and mature egg ribbons

Cephalaspidea

Bulla quoyi

Bulla quoyi

Developing embryos

Bullina lineata

Egg mass under dissecting microscope

Hydatina physis

Eggs under microscope

Littorinimorpha

Bembicium nanum

Mating adults with fresh and mature egg masses

Bembicium nanum

Developing veligers in egg mass

Conuber egg mass

Probably C. sordidus

Conuber egg mass

Cypraea erosa

Larvae hatching from capsules

Unknown naticid sand collar

Ranella australasia

Fresh and mature egg capsules

Neogastropoda

Agnewia tritoniformis

Adults with egg capsules

A. tritoniformis & Cronia contracta

Mass spawning

Cabestena spenglerii

Egg mass removed from brooding adult

Cabestena spenglerii

Adults and empty egg mass

Cominella eburnea

Tentative identification based on hatching juveniles

Conus papilliferus

Adults with egg capsules

Dicathais orbita

Adult and egg capsules

Lepsiella reticularis

Mitra badia

Single developing veliger with nurse eggs

Mitra badia

Hatching juveniles

Mitra carbonaria

Adult with egg capsules

Mitra carbonaria

Morula marginalba

Escape aperture on side

Morula marginalba

Veligers

Neritopsidea

Nerita morio

Adult and egg capsules. Note the holes in some capsules.

Nerita morio

Egg capsule under dissecting scope

Nudibranchia

Aeolidiella foulisi

Adult and egg masses

Aeolidiella foulisi

Egg ribbon under miscroscope

Austraeolis ornata

Emmersed adult and egg mass

Austraeolis ornata

Egg mass under microscope

Cerastoma amoena

Egg ribbon

Cerastoma amoena

Egg ribbon under scope

Dendrodoris carneola

Adult and egg ribbon

Dendrodoris carneola

Egg capsules under the scope

Dendrodoris fumata

Adult and egg ribbon

Dendrodoris fumata

Egg ribbon under scope

Doriopsis granulosa

Adult and egg mass laid on airstone

Doriopsis granulosa

Egg ribbon under scope

Doriopsilla miniata

Adult and egg mass

Doriopsilla miniata

Egg ribbon under scope

Goniodoris meracula

Egg ribbons in ascidian and buried adult

Goniodoris meracula

Embryos under the scope

Hoplodoris nodulosa

Adults and egg ribbon

Hoplodoris nodulosa

Egg ribbon

Plocampherus imperialis

Rostanga arbutus

Spurilla macleayi

Pleurobranchia

Berthellina citrina

Embryos under scope

Pleurobranchus peroni

Adult and egg mass

Pleurobranchus peroni

Embryos under scope

Sacoglossa

Aplysiopsis formosa

Adult and egg mass

Elysia maoria

Egg mass on codium

Elysia maoria

Yolk granules(?) in egg mass

Oxynoe viridis

Egg mass on Caulerpa filiformis

Placida cf. dendritica

Placida cf. dendritica

Egg masses on codium

Polychaeta

Polychaete sp. 1

Adult with brooded capsules

Polychaete sp. 2

Egg masses in base of Caulerpa filiformis

Polychaete sp. 2

Developing embryos

Polychaete sp. 1

Egg masses in sand

Polychaete sp. 3

Egg masses close up

Osteichyes

Aspasmogastor costatus

Egg mass under boulder

Aspasmogastor costatus

Early stage embryos

Aspasmogastor costatus

Intermediate stage embryos

Aspasmogastor costatus

Late stage embryos

Aspasmogastor costatus

Hatched fry

Unknown

Unknown egg mass 1

Under boulder

Unknown egg mass 1

Unknown egg mass 1

Nudibranch sp. 1

Spawning adults and egg mass on C. filiformis

Nudibranch sp. 1

Adult and egg mass

Gastropod photos (adult)

Austraeolis ornata

Berthellina citrina

Bursatella leachi

Glossodoris atramarginata

Glaucilla marginata

Goniodoris meracula

Removed from ascidian

Rostanga arbutus

Feeding on sponge

Spurilla australis

Eating anemone

Spurilla australis

Eating anemone

Stylocheilus striatus

Siphonaria zelandica

Mating

Hard clam development

Sperm fertilizing egg

Fertilized egg with polar body

2-cell stage

4-cell stage

8-cell stage

Morula

Veliger

20 hours; shell forming

Veliger

20 hours; shell almost formed

D-stage larvae

36 hours; velum retracted

D-stage larvae

36 hours; velum extended

D-stage larvae

7 Days; 40x

D-stage larvae

7 days; 40x

Umbo stage larvae

11 days; 20x

Umbo stage larvae

Day 15

Metamorphosed juvenile