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
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Aplysia juliana |
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Spawning adults and egg masses |
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Aplysia sydneyensis |
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Spawning adults with egg mass |
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Dolabella auricularia |
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Egg mass under dissecting microscope |
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Dolabrifera brazieri |
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Adults and egg ribbons |
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Basommatophora
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Siphonaria denticulata |
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underdeveloped and mature egg ribbons |
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Cephalaspidea
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Bulla quoyi |
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Developing embryos |
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Bullina lineata |
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Egg mass under dissecting microscope |
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Hydatina physis |
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Eggs under microscope |
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Littorinimorpha
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Bembicium nanum |
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Mating adults with fresh and mature egg masses |
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Bembicium nanum |
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Developing veligers in egg mass |
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Conuber egg mass |
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Probably C. sordidus |
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Cypraea erosa |
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Larvae hatching from capsules |
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Unknown naticid sand collar |
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Ranella australasia |
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Fresh and mature egg capsules |
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Neogastropoda
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Agnewia tritoniformis |
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Adults with egg capsules |
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A. tritoniformis & Cronia contracta |
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Mass spawning |
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Cabestena spenglerii |
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Egg mass removed from brooding adult |
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Cabestena spenglerii |
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Adults and empty egg mass |
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Cominella eburnea |
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Tentative identification based on hatching juveniles |
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Conus papilliferus |
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Adults with egg capsules |
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Dicathais orbita |
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Adult and egg capsules |
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Mitra badia |
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Single developing veliger with nurse eggs |
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Mitra badia |
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Hatching juveniles |
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Mitra carbonaria |
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Adult with egg capsules |
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Morula marginalba |
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Escape aperture on side |
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Morula marginalba |
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Veligers |
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Neritopsidea
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Nerita morio |
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Adult and egg capsules. Note the holes in some capsules. |
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Nerita morio |
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Egg capsule under dissecting scope |
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Nudibranchia
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Aeolidiella foulisi |
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Adult and egg masses |
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Aeolidiella foulisi |
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Egg ribbon under miscroscope |
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Austraeolis ornata |
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Emmersed adult and egg mass |
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Austraeolis ornata |
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Egg mass under microscope |
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Cerastoma amoena |
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Egg ribbon |
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Cerastoma amoena |
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Egg ribbon under scope |
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Dendrodoris carneola |
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Adult and egg ribbon |
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Dendrodoris carneola |
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Egg capsules under the scope |
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Dendrodoris fumata |
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Adult and egg ribbon |
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Dendrodoris fumata |
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Egg ribbon under scope |
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Doriopsis granulosa |
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Adult and egg mass laid on airstone |
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Doriopsis granulosa |
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Egg ribbon under scope |
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Doriopsilla miniata |
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Adult and egg mass |
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Doriopsilla miniata |
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Egg ribbon under scope |
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Goniodoris meracula |
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Egg ribbons in ascidian and buried adult |
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Goniodoris meracula |
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Embryos under the scope |
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Hoplodoris nodulosa |
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Adults and egg ribbon |
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Hoplodoris nodulosa |
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Egg ribbon |
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Pleurobranchia
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Berthellina citrina |
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Embryos under scope |
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Pleurobranchus peroni |
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Adult and egg mass |
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Pleurobranchus peroni |
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Embryos under scope |
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Sacoglossa
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Aplysiopsis formosa |
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Adult and egg mass |
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Elysia maoria |
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Egg mass on codium |
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Elysia maoria |
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Yolk granules(?) in egg mass |
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Oxynoe viridis |
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Egg mass on Caulerpa filiformis |
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Placida cf. dendritica |
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Egg masses on codium |
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Polychaeta
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Polychaete sp. 1 |
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Adult with brooded capsules |
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Polychaete sp. 2 |
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Egg masses in base of Caulerpa filiformis |
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Polychaete sp. 2 |
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Developing embryos |
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Polychaete sp. 1 |
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Egg masses in sand |
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Polychaete sp. 3 |
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Egg masses close up |
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Osteichyes
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Aspasmogastor costatus |
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Egg mass under boulder |
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Aspasmogastor costatus |
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Early stage embryos |
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Aspasmogastor costatus |
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Intermediate stage embryos |
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Aspasmogastor costatus |
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Late stage embryos |
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Aspasmogastor costatus |
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Hatched fry |
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Unknown
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Unknown egg mass 1 |
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Under boulder |
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Nudibranch sp. 1 |
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Spawning adults and egg mass on C. filiformis |
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Nudibranch sp. 1 |
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Adult and egg mass |
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Gastropod photos (adult)
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Glossodoris atramarginata |
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Goniodoris meracula |
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Removed from ascidian |
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Rostanga arbutus |
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Feeding on sponge |
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Spurilla australis |
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Eating anemone |
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Spurilla australis |
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Eating anemone |
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Siphonaria zelandica |
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Mating |
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Hard clam development
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Fertilized egg with polar body |
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Veliger |
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20 hours; shell forming |
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Veliger |
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20 hours; shell almost formed |
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D-stage larvae |
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36 hours; velum retracted |
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D-stage larvae |
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36 hours; velum extended |
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D-stage larvae |
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7 Days; 40x |
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D-stage larvae |
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7 days; 40x |
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Umbo stage larvae |
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11 days; 20x |
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