Alphestes
Alphestes is a genus of fish belonging to the family Serranidae, commonly known as groupers. This genus comprises a small number of species, all of which are found in the Indo-Pacific region. Alphestes species are distinguished by their relatively small size, typically measuring less than 30 cm in length, and their striking coloration. They are known for their vibrant patterns, often featuring contrasting shades of yellow, orange, red, and black.
Common Names
The most common name for Alphestes species is "dwarf grouper," reflecting their diminutive size compared to other grouper species. Some species have additional common names based on their specific appearance or geographic distribution. For example, Alphestes afer is sometimes called the "black-spot dwarf grouper," while Alphestes multifasciatus is referred to as the "barred dwarf grouper."
Characteristics
Alphestes species share several common characteristics that distinguish them from other grouper species. They typically have:
- An elongated, somewhat compressed body shape
- A large mouth with numerous small teeth
- A single dorsal fin with a spiny anterior portion and a soft posterior portion
- A distinct lateral line, often with a pronounced curve above the pectoral fin
- Bright, often contrasting colors, sometimes with patterns or markings
Environment
Alphestes species are found in a variety of marine habitats, primarily in the Indo-Pacific region. They are often observed in shallow, inshore waters, particularly around reefs, rocky outcrops, and seagrass beds. Some species are also found in deeper waters, up to depths of 100 meters.
References
For further information on Alphestes, you can consult the following resources: