The scallop has an incredibly strong muscle that keeps its shell closed.
The scallop has an incredibly strong muscle that keeps its shell closed. It also uses this muscle to swim, rapidly opening and closing its shell. When the shell closes, it propels water at great force by means of the velum, which is a fold of the mantle used to direct the flow of water around the hinge. The scallop can sharply change its direction by adjusting its velum.
CLASS: Bivalvia (bivalves and clams)
ORDER: Ostreoida (true oysters)
FAMILY: Pectinidae (bivalve mollusks)
GENUS/SPECIES: About 400 species in more than 30 genera
Size: Up to 8 in (20 cm) in diameter
Diet: Plankton
Habitat: In the sandy and muddy bottoms of the seafloor
With fun facts about more than 100 animals, this long-awaited Aquarium Guide includes beautiful pictures and reveals the incredible facts and design features that point to our amazing Creator. This handy size guide is excellent for school field trips and family trips to your favorite aquarium!
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