Pedum

Pedum is a genus of bivalve molluscs in the family Pectinidae, commonly known as scallops. These marine invertebrates are characterized by their distinctive fan-shaped shells, which are typically adorned with prominent radial ribs. Pedum scallops are found in various marine environments, predominantly in tropical and subtropical waters.

Common Names

While the scientific name Pedum is widely recognized, these scallops are also known by several common names, including:

  • Pedum scallop
  • Fan scallop
  • Spiny scallop

Characteristics

Pedum scallops exhibit several defining characteristics that distinguish them from other scallop genera:

  • Shell Shape: Their shells are typically fan-shaped, with a prominent, often elongated, anterior auricle.
  • Ribs: The shells are adorned with prominent, radial ribs, which may be smooth or spiny.
  • Coloration: The shell color can vary, ranging from white to yellowish-brown, often with colorful markings.
  • Size: Pedum scallops can vary in size, with some species reaching lengths of several inches.

Environments

Pedum scallops are found in a variety of marine environments, including:

  • Coastal Waters: They are common in shallow, coastal waters, particularly in areas with rocky bottoms.
  • Estuaries: Some species inhabit brackish water environments, such as estuaries.
  • Subtidal Zones: They can also be found in subtidal zones, at depths of up to several hundred feet.

References

For further information on Pedum, consult these reliable sources: