Diplectrum

Diplectrum is a genus of marine fish in the family Serranidae, commonly known as sea bass or groupers. The genus is found in the western Atlantic Ocean, ranging from Nova Scotia, Canada, to Brazil. They are distinguished by their elongated bodies, with compressed and deep heads, and can grow up to 50 cm in length. Diplectrum species are known for their vibrant coloration, often sporting a mixture of orange, yellow, brown, and black. They are also notable for their unique ability to change their color depending on their surroundings, making them difficult to spot.

Common Names

Species within the Diplectrum genus are commonly referred to as "sand perch", "sea bass", "grouper", and "reef bass".

Characteristics

Members of the Diplectrum genus possess several distinguishing characteristics:

  • Elongated Body Shape: They have a compressed, elongated body, with a deep head.
  • Coloration: Their bodies are adorned with vibrant color patterns, including orange, yellow, brown, and black. They are known for their ability to change color, mimicking their surroundings.
  • Dorsal Fin: They have a single dorsal fin that extends nearly the length of their backs, divided into a spiny anterior portion and a soft posterior portion.
  • Anal Fin: Their anal fin has a similar structure to the dorsal fin, consisting of a spiny anterior portion and a soft posterior portion.
  • Mouth: Their mouths are moderately large, equipped with sharp teeth designed for catching prey.

Habitat and Distribution

Diplectrum species prefer rocky and sandy bottoms, often inhabiting coastal areas, reefs, and inlets. They can be found in both shallow and deeper waters, ranging from the intertidal zone down to depths of around 100 meters. They are primarily found in the western Atlantic Ocean, with their distribution extending from Nova Scotia, Canada, to Brazil.

Diet

Diplectrum species are carnivorous, feeding mainly on smaller fish, crustaceans, and invertebrates. They are opportunistic feeders, adapting their diet based on available prey.

References

FishBase

WoRMS