Maxima Clam

The Maxima Clam (Tridacna maxima) is a marine (saltwater) bivalve mollusc in the Cardiidae family. It is also called the Small Giant Clam. It is related to the Cockle. 

The Maxima Clam has a thick shell called a mantle. Its shell is actually two equal-sized calcareous valves connected with a flexible adductor muscle. The shell can open and close. Bi-valve means two valves (or two shells). The mantle is bright-blue, green, or brown with distinctive furrows. It has a mouth, a heart, kidneys, a stomach, and a nervous system. 

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Sea Fan Coral

The Sea Fan Coral (Pinnigorgia sp.) is a marine (saltwater) soft coral in the Gorgoniidae family of sea fans. It is not a plant. 

The Sea Fan Coral has calcareous spicules (horny nodules) on branchlets. The branchlets are usually slender. It can be whiplike, bushy, or spread out like a fan. The polyps are retractable with eight tentacles. It can be purple, red, or yellowish.

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Bluegreen Giant Clam

The Bluegreen Giant Clam (Tridacna derasa) is a marine (saltwater) reef bi-valve mollusc in the Cardiidae family. It is also called the Southern Giant Clam. It is related to the Cockle.

The Bluegreen Giant Clam is smoother than most clams, because it lacks ridging. It has a thick shell, called a mantle. Its shell is actually two equal-sized calcareous valves connected with a flexible adductor muscle. The shell can open and close. Bi-valve means two valves (or two shells). It has 6-7 rippled edges, called folds or flute. It does not have scutes (scales). The mantle has stripes or spots and is blue and green, with some white patches. It has a mouth, a heart, kidneys, a stomach, and a nervous system.

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Giant Clam

The Giant Clam (Tridacna squamosa) is a marine (saltwater) reef bi-valve mollusc (mollusk).  It is also called the Fluted Giant Clam or the Scaly Clam. It is related to the Cockle.

The Giant Clam has a thick brown, green, or purple-coloured ridged shell, called a mantle. Its shell is actually two equal-sized calcareous valves connected with a flexible adductor muscle. The shell can open and close. Bi-valve means two valves (or two shells). The mantle has 6-7 rippled edges, called folds or flutes. It has scales, called scutes. It has spotted patterns on the mantle. It has a mouth, a heart, kidneys, a stomach, and a nervous system.

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