Monodactylus

Monodactylus is a genus of fish belonging to the family Monodactylidae, commonly known as “fingerfishes.” These fish are characterized by their unique, almost triangular body shape and their single dorsal fin that runs along the length of their back. They are found in tropical and subtropical waters worldwide, inhabiting coastal areas, estuaries, and mangroves.

Common Names

Depending on the species, Monodactylus fish are commonly called "fingerfishes," "monodactylids," "mojarras," or "rabbitfish." The term "fingerfish" comes from the slender, finger-like shape of their bodies.

Characteristics

Fingerfishes have several distinguishing characteristics:

  • Body Shape: They have a deep, laterally compressed body, giving them a triangular profile.
  • Dorsal Fin: A single, continuous dorsal fin extends from the head to the tail.
  • Anal Fin: They have a long anal fin, similar in shape to the dorsal fin.
  • Mouth: Their mouth is small and slightly upturned.
  • Coloration: Fingerfishes exhibit diverse coloration, ranging from silvery-gray to brown, often with darker markings or stripes.

Environments

Monodactylus species inhabit a variety of coastal environments, including:

  • Estuaries: They are commonly found in brackish waters, where freshwater rivers meet the sea.
  • Mangroves: Fingerfishes often seek shelter and food within the roots and branches of mangrove forests.
  • Coastal Waters: They are also found in sheltered bays, lagoons, and reefs.

References

For further information and scientific classification, please refer to these reliable sources: