Rhabdosargus
Rhabdosargus is a genus of fish belonging to the family Sparidae, commonly known as the sea bream family. This genus encompasses several species of marine fish, predominantly found in the coastal waters of the Indo-Pacific and Atlantic Ocean regions. These fish are characterized by their robust bodies, typically ranging in size from small to medium, and possess distinct features that set them apart from other sea bream species.
Common Names
Species belonging to the genus Rhabdosargus are commonly referred to as "blacktail" or "grey" sea breams, with variations in specific names depending on the particular species and geographical location. For instance, Rhabdosargus holubi is often known as the "blacktail" or "grey" sea bream, while Rhabdosargus globiceps is referred to as the "cape" or "white" sea bream.
Characteristics
Members of the genus Rhabdosargus exhibit several distinctive features, including:
- Body shape: Robust and oval-shaped, with a slightly compressed profile.
- Scales: Large and cycloid (rounded) scales covering the body.
- Mouth: Terminal mouth, often with slightly protruding jaws.
- Teeth: Strong, molar-like teeth adapted for crushing hard-shelled prey.
- Dorsal fin: Two distinct dorsal fins, the first one with spines and the second with soft rays.
- Anal fin: Single anal fin with spines and soft rays.
- Coloration: Typically silvery-grey or brownish-grey, often with darker markings or bands.
Environment
Rhabdosargus species are primarily found in coastal waters, inhabiting a variety of environments, including:
- Rocky reefs: These fish often seek shelter and forage amongst rocky outcrops and crevices.
- Seagrass beds: They are also commonly observed in areas with dense seagrass meadows.
- Estuaries: Some species, like Rhabdosargus globiceps, can tolerate brackish water and are found in estuaries.
References
For further information on the genus Rhabdosargus, please refer to the following reliable sources: