Scallop Aquaculture

Mariculture

Who Am I?

• Patinopecten yessoensis

• Argopecten irradians

• Placopecten magellanicus

• Others to be noted– Pecten maximus– Chalmys opercularis

Show Me The Money $

• $5-6000/ton• 1 ton=2200lbs• $2.7/lb• Sea scallop Vs Bay

Scallop– Smaller=cheaper

• Difference in pricing depending on where– AL (7) vs CO (10)

• Japan and China *• America• Canada

– We import a lot– 10.4 mill deficit

Eat Me

Adults release egg and sperm

Trochophore

D-shaped Veliger

Spat

Pedi-VeligerFoot

Juvenile

This is the Life…

Let’s Get IT On

• Reproduce only once• Hermaphrodites• Temp/Alkalinity Increase– Increased spawning

• Epidemic Spawning–Sperm Competition

• Natural cycle• Salt water tanks (Hatchery)

How To Do

• Floating Raft• Sea Ranching/Hanging Culture

– Onion bags (Nursery)• Sea grass/leaves=Surface Area

– Pearl Nets (Intermediate)– Grow Out (Adult)

• Longline• Andon baskets/lantern nets• Pocket nets• Ear hanging• Sowing Culture

– Small load sizes (20-50/ net)

Onion

Pearl Net

Longline

Lantern Net

Ear Hanging

To Feed or Not to Feed That is The Question

• NOT• Filter Feeders• Natural Environments– Includes Estuary/Turbidity

• Food is an important factor in determining where and depths– 2-100 meters depending on production

method

Me Likey• Temperature– Around 25 C (23-28)⁰

• Salinity– 24-30 ppt

• Depth = food• Diseases and Predators– Pseudomonas– Sea Stars

Not Too Shabby

• Advantages1. Natural Feed2. Extensive/low labor3. Natural Waste

Remediation4. Dilution

• Disadvantages1. Weather2. Disease3. Predation4. Dessication5. Space hog

QuestionsQUESTIONS

Sources

• http://www.fao.org/DOCREP/005/Y2257E/y2257e06.htm

• http://www.fishwatch.gov/farmed_seafood/outside_the_us.htm

• http://www.whoi.edu/page.do?pid=80696&i=6627 • http://www.tpwd.state.tx.us/huntwild/wild/species/

scallop/ •  http://www.marinespecies.org/aphia.php?

p=taxdetails&id=140687• http://www.fao.org/docrep/007/y5720e/y5720e07.htm • http://www.21food.com/products/ezo-scallop-

(halfshell)-354860.html

• http://www.fao.org/corp/google_results/en/• http://www.fao.org/docrep/field/003/AB714E/

AB714E01.htm• http://www.fao.org/fileadmin/user_upload/fishe

ries/docs/Peru_-_28_april.doc• http://www.sustainablesushi.net/the-fish/hotate

/• http://www.alibaba.com• http://www.agriculturesource.com• http://www.aquaculture.ca/files/species-scallops

.php• http://www.yslme.org/doc.2rmc/cd/Tuesday%2

0pm/Bao%20-%20Aquaculture%20and%20breeding%20of%

20scollop-09616YLME.pdf

• http://www.worldfish.org/Gcl/gci_assets_moz/Fact%20Card%20-%20Aquaculture.pdf

• http://shellfish.fas.ufl.edu/PDFs?Publications?Aquaculture%20and%20Marketing%20of%20the%20FL%20Bay%20Scallop_Tp106.pdf

• http://www.dfo-mpo.gc.ca/aquaculture/ shellfish-mollusque/scallop-pectoncle-

eng.htm

Pictures• http://www.wikipedia123.com/Wikipedia-52006-Patinopecten-yessoensis.html• http://www.whoi.edu/page.do?pid=80696&i=6627 (life cycle pic)• • http://www.statesymbolsusa.org/New_York/shell_bayscallop.html• http://www.seriouseats.com/recipes/2009/09/harissa-fried-scallops-recipe-moroccan.html• http://blog.americanfeast.com/foodies/• http://steamykitchen.com/202-scallop-salad-with-sweet-vanilla-chili-dressing.html• http://farm3.static.flickr.com/2784/4421605447_c15eb06e26.jpg• http://www.layoutsparks.com/1/173699/emo-love-6-t5-1.html• http://weinterrupt.com/2010/10/british-fisherman-gets-up-close-and-personal-with-a-croc-ea

ting-fish/• http://thumbs.dreamstime.com/thumblarge_373/1236693234y2q7Qx.jpg• http://www.cakelife.com/images/uploads/seagrass_320x480.jpg• http://www.tootoo.com/buy-frozen_scallop_adductor/• http://www.coastal.ca.gov/publiced/photos/2009/2-scallopeyes-Bradford.jpg• http://www.fao.org/docrep/field/003/AB714E/AB714E01.htm• http://scienceworld-frontiers.blogspot.com/2012/04/ocean-temperatures-have-been-rising-

for.html