The biggest clams in the world are ..?

the giant clams
the boring clams
the fluted giant clams
the southern giant clams
A worldwide study of giant clams have found that the world's largest clam species -the Tridacna gigas - is the world's most threatened mollusc. The maximum record of the length 137 cm with 332 kg in weight once full grown. These large, heavy bodied clams are very colorful and attractive. They often become the wonderful ornament in the aquarium.
ShadowMaster
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Very interesting!
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Answers by country

the giant clams
the boring clams
the fluted giant clams
the southern giant clams
answers
flagPakistan
78%
0%
21%
0%
14
flagRepublic of Ireland
58%
8%
16%
16%
12
flagGreece
56%
12%
6%
25%
16
flagthe United States
53%
12%
17%
15%
79
flagAustralia
47%
0%
17%
35%
17
flagIndia
46%
11%
26%
14%
67
flagthe United Kingdom
46%
28%
7%
17%
39
flagPoland
44%
32%
14%
8%
1232
flagGermany
34%
30%
23%
11%
26