found in coral heads on the Great Barrier Reef at densities of up to 200 clams/m2 (Lucas, 1988).
Aquarium Care: Tridacna crocea is probably the most delicate of the tridacnid species available for the home aquarium. This could be due to a combination of factors. Since these clams come from generally shallow waters, intense lighting is necessary to keep them in good condition and to maintain their bright colours. Although we have kept these clams for several years under fluorescent lighting, they were kept fairly close to the surface. As these clams live deeply buried in rock and have strong byssal attachments, collecting them requires extra care. Unfortunately, too often they are not collected properly and many of them anive damaged. Once the byssus gland lias been damaged they usually do not live much longer. This may be due more to subsequent bacterial infections than the actual damage. If you can obtain a specimen that is still attached to a rock, your chances will be much better.
This species is relatively easy to keep, provided a healthy specimen is obtained and enough light is given. Avoid handling or removing this species once it has become attached; they are very sensitive to such handling and can quickly die from the stress. Cultivated specimens of this species are now available and they have proved to be very hardy in aquariums.
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