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Tridacna

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Vtg giant clam tridacna - clam, maxima

Vtg giant clam tridacna - clam, maxima

$67.00
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Derasa clam seashell white - clam,

Derasa clam seashell white - clam,

$35.99
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Art collectable beautifull - beautifull,

Art collectable beautifull - beautifull,

$45.00
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Tridacna gigas piece - gigas,

Tridacna gigas piece - gigas,

$29.88
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Tridacna squamosa super flute - tridacna,

Tridacna squamosa super flute - tridacna,

$42.00
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Tridacna gigas clam - tridacna,

Tridacna gigas clam - tridacna,

$39.99
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Tridacna squamosa super flute - tridacna,

Tridacna squamosa super flute - tridacna,

$42.00
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Tridacna squamosa super fluted - tridacna,

Tridacna squamosa super fluted - tridacna,

$42.00
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Large giant clam shell - clam,

Large giant clam shell - clam,

$150.00
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Gorgeous pair vintage antique - pair,

Gorgeous pair vintage antique - pair,

$250.00
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Natural clam seashell half - natural,

Natural clam seashell half - natural,

$24.94
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Tridacna squamosa fluted giant - squamosa,

Tridacna squamosa fluted giant - squamosa,

$34.98
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Derasa clam seashell - clam, white

Derasa clam seashell - clam, white

$24.99
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Huge tridacna gigas - tridacna,

Huge tridacna gigas - tridacna,

$659.00
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Huge tridacna gigas - tridacna,

Huge tridacna gigas - tridacna,

$659.00
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Tridacna squamosa fluted - fluted, clam

Tridacna squamosa fluted - fluted, clam

$79.99
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Large whole fluted clam shell - fluted,

Large whole fluted clam shell - fluted,

$115.00
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Collector fave tridacna - collector, fave...tridacna

Collector fave tridacna - collector, fave...tridacna

$38.99
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Tridacna squamosa super - tridacna,

Tridacna squamosa super - tridacna,

$42.00
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Giant clam shell - giant,

Giant clam shell - giant,

$295.00
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Tridacna giant clam - clam, shell

Tridacna giant clam - clam, shell

$17.00
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Matched one tridacna - one, squamosa

Matched one tridacna - one, squamosa

$15.18
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Natural giant clam - natural, shell

Natural giant clam - natural, shell

$98.77
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Natural tridacna ruffled - 5",

Natural tridacna ruffled - 5",

$33.62
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Giant clam sea shell - giant,

Giant clam sea shell - giant,

$60.00
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Tridacna pale yellow squamosa - tridacna,

Tridacna pale yellow squamosa - tridacna,

$43.00
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Fluted clam shell whole - clam,

Fluted clam shell whole - clam,

$53.10
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Large 14lb pounds - large,

Large 14lb pounds - large,

$229.95
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Pair rare giant tridacna - pair,

Pair rare giant tridacna - pair,

$100.00
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Large giant clam shell - 11",

Large giant clam shell - 11",

$49.99
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Tridacna squamosa fluted clam - tridacna,

Tridacna squamosa fluted clam - tridacna,

$79.99
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Natural giant clam shell - 10",

Natural giant clam shell - 10",

$55.00
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Indo pacific tridacna gigas - indo-pacific,

Indo pacific tridacna gigas - indo-pacific,

$68.88
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Tridacna squamosa super - squamosa,

Tridacna squamosa super - squamosa,

$42.00
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Tridacna gigas large giant - gigas,

Tridacna gigas large giant - gigas,

$79.95
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Fluted clam shell whole - , pc

Fluted clam shell whole - , pc

$45.00
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Large pair matched fluted - large,

Large pair matched fluted - large,

$75.00
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Natural giant clam shell - giant,

Natural giant clam shell - giant,

$63.74
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Stunning tridacna squamosa - stunning,

Stunning tridacna squamosa - stunning,

$79.99
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Fluted ruffled scaly - ruffled,

Fluted ruffled scaly - ruffled,

$49.99
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Ruffle clam seashell - clam,

Ruffle clam seashell - clam,

$23.95
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Fluted giant clam shell - clam,

Fluted giant clam shell - clam,

$40.00
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Vtg tridacna gigas - real, sea

Vtg tridacna gigas - real, sea

$149.99
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Genuine natural ocean - ocean, large

Genuine natural ocean - ocean, large

$42.50
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Tridacna gigas natural

Tridacna gigas natural

$119.00
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Giant natural tridacna - giant,

Giant natural tridacna - giant,

$120.00
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Ruffle clam seashell half - seashell,

Ruffle clam seashell half - seashell,

$16.95
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Large clamshell matched pair - large,

Large clamshell matched pair - large,

$75.00
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Clam shell tridacna sea - shell,

Clam shell tridacna sea - shell,

$25.00
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Large genuine ocean - ocean, giant

Large genuine ocean - ocean, giant

$67.99
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Huge specimen natural giant - specimen,

Huge specimen natural giant - specimen,

$145.00
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Giant clam half - half, shell

Giant clam half - half, shell

$64.00
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Natural tridacna clam - tridacna, shells

Natural tridacna clam - tridacna, shells

$59.40
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Ruffle clam seashell - ruffle,

Ruffle clam seashell - ruffle,

$24.00
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Sea shell tridacna - shell, sp.

Sea shell tridacna - shell, sp.

$99.56
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Tridacna ivory white squamosa - tridacna,

Tridacna ivory white squamosa - tridacna,

$42.00
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Large clam shell - large, by

Large clam shell - large, by

$84.00
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Natural giant clam shell - 10",

Natural giant clam shell - 10",

$222.22
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Vtg tridacna maxima giant clam - tridacna,

Vtg tridacna maxima giant clam - tridacna,

$88.00
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Derasa tridacna clam seashell - derasa,

Derasa tridacna clam seashell - derasa,

$33.95
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Giant white fluted ruffled - white,

Giant white fluted ruffled - white,

$35.00
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Ceramic giant clam - 11",

Ceramic giant clam - 11",

$30.00
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Giant clam shell half maxima - clam,

Giant clam shell half maxima - clam,

$49.99
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Giant tridacna squamosa - giant,

Giant tridacna squamosa - giant,

$90.05
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Tridacna gigas giant natural - giant,

Tridacna gigas giant natural - giant,

$35.00
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Tridacna derasa clam shell - tridacna,

Tridacna derasa clam shell - tridacna,

$26.00
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Genuine giant clam shell - genuine,

Genuine giant clam shell - genuine,

$300.00
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Natural giant clam shell - natural,

Natural giant clam shell - natural,

$34.99
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Natural tridacna gigas giant - natural,

Natural tridacna gigas giant - natural,

$29.75
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Derasa clam seashell half - clam,

Derasa clam seashell half - clam,

$47.25
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Tridacna crocea lamarck - crocea, 1819

Tridacna crocea lamarck - crocea, 1819

$19.94
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Tridacna crocea lamarck 1819 - tridacna,

Tridacna crocea lamarck 1819 - tridacna,

$19.99
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Giant clam shell tridacna - clam,

Giant clam shell tridacna - clam,

$52.49
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Natural tridacna gigas - tridacna, giant

Natural tridacna gigas - tridacna, giant

$16.00
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Small derasa clam seashell - small,

Small derasa clam seashell - small,

$24.99
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Authentic natural tridacna - authentic,

Authentic natural tridacna - authentic,

$65.00
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Giant clam shell - shell, tridacna

Giant clam shell - shell, tridacna

$349.95
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Vtg tridacna maxima giant - tridacna,

Vtg tridacna maxima giant - tridacna,

$66.00
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Tridacna derasa giant - giant, clam

Tridacna derasa giant - giant, clam

$34.99
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Giant clam shell - giant, tridacna

Giant clam shell - giant, tridacna

$325.00
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Vintage giant clam shell - vintage,

Vintage giant clam shell - vintage,

$33.00
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Tridacna squamosa super fluted - tridacna,

Tridacna squamosa super fluted - tridacna,

$46.00
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Large natural giant clam - giant,

Large natural giant clam - giant,

$79.90
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Giant natural clam - ,

Giant natural clam - ,

$699.00
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Large giant clam - giant, shell

Large giant clam - giant, shell

$299.00
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Giant clam shell tridacna - clam, shell~

Giant clam shell tridacna - clam, shell~

$69.00
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Natural giant clam shell - natural,

Natural giant clam shell - natural,

$222.22
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Tridacna giga clam shells - ,

Tridacna giga clam shells - ,

$50.00
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Natural giant clam shell - clam, ~

Natural giant clam shell - clam, ~

$350.00
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Vintage clam shell - clam, natural

Vintage clam shell - clam, natural

$100.00
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Large tridacna squamosa fluted - tridacna,

Large tridacna squamosa fluted - tridacna,

$60.00
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Genuine giant ruffled clam - giant,

Genuine giant ruffled clam - giant,

$69.90
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Large natural clam shell - large, •

Large natural clam shell - large, •

$66.00
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Almost matching tridacna gigas - tridacna,

Almost matching tridacna gigas - tridacna,

$69.00
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Natural giant fluted clam - natural,

Natural giant fluted clam - natural,

$55.00
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Large tridacna gigas natural - tridacna,

Large tridacna gigas natural - tridacna,

$60.00
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📊96 listings · from $15.18 · avg $99.8

Browse 96 tridacna listings currently in our index. Prices range from $15.18 to $699, with an average of $99.8. Whether you are hunting for a bargain or looking for a top-spec model, the selection below covers all price points — new, used and refurbished. More about tridacna →

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Everything you need to know about tridacna

Whether you are looking for a brand-new or second-hand tridacna, eBay offers one of the largest selections available online. With 96 active listings at the time of this page's last update, you have plenty of choice across different conditions, sellers and price points. The cheapest option currently starts at $15.18, while premium listings can reach $699 — giving you a wide budget spread to work with. The average price of $99.8 can serve as a useful benchmark: listings below this tend to be used or auction-style, while those above often include extra accessories, warranties, or are sold by professional sellers with high feedback scores. Always check the seller's feedback rating and return policy before committing to a purchase. If you need the item quickly, filter by "Buy It Now" to avoid the uncertainty of auctions. For used items, look closely at the condition description and photos — terms like "good", "very good" and "like new" can mean very different things depending on the seller.

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