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Giant Clams & the Environment Ron & Suzy Petersen

Giant Clams & the Environment Ron & Suzy Petersen

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Page 1: Giant Clams & the Environment Ron & Suzy Petersen

Giant Clams&

the Environment

Ron & Suzy Petersen

Page 2: Giant Clams & the Environment Ron & Suzy Petersen

Overview

Introduction

Giant clam biology

Life cycle

Giant Clam Farming

Giant clams and the environment

< Film >

Q & A

Page 3: Giant Clams & the Environment Ron & Suzy Petersen

Biology of the giant clam

Species

Lifespan

Size

Distribution

Symbiosis & Environment

… Life cycle

Page 4: Giant Clams & the Environment Ron & Suzy Petersen

Phases of giant clam culture

Phases of giant clam aquaculture

Page 5: Giant Clams & the Environment Ron & Suzy Petersen

Syringe sampling of clam gonad

The larger the riper!

Page 6: Giant Clams & the Environment Ron & Suzy Petersen

Collection of spawned eggs with plastic bag

Eggs placed in clean bins

Page 7: Giant Clams & the Environment Ron & Suzy Petersen

Eggs from smaller species

Moving clam for spawning

Page 8: Giant Clams & the Environment Ron & Suzy Petersen

Mantle tissue with zooxanthellae

Page 9: Giant Clams & the Environment Ron & Suzy Petersen

Life cycle and aquaculture of giant clams

4 basic phases: hatchery, nursery, ocean nursery, & growout.

Page 10: Giant Clams & the Environment Ron & Suzy Petersen

Cement raiseways - solar panels

Page 11: Giant Clams & the Environment Ron & Suzy Petersen

Brood stock - Tridacna gigas

Page 12: Giant Clams & the Environment Ron & Suzy Petersen

Tridacna gigas - Ready for spawn

Page 13: Giant Clams & the Environment Ron & Suzy Petersen

Tridacna maxima- juveniles

Page 14: Giant Clams & the Environment Ron & Suzy Petersen

Juveniles clam, > 500 per tray

Page 15: Giant Clams & the Environment Ron & Suzy Petersen

Wau IslandLocation

Mili

10 miles