Acreichthys
Acreichthys is a genus of pufferfish belonging to the family Tetraodontidae. They are commonly referred to as “filefishes” due to their rough, sandpaper-like skin. These fish are found in tropical and subtropical waters of the Indo-Pacific region, inhabiting coastal reefs, estuaries, and seagrass beds.
Characteristics
Acreichthys species are characterized by their flattened, oval bodies and small, protrusible mouths. Their skin is covered in numerous, small, sharp scales that give them a rough texture. They have a distinctive dorsal fin that is set far back on their body, close to the tail. Most species exhibit vibrant colors and patterns, often displaying bright yellow, orange, or red hues.
Environment
Acreichthys species are primarily found in shallow, coastal waters. They inhabit a variety of environments, including coral reefs, rocky shores, seagrass beds, and estuaries. They prefer areas with abundant vegetation and shelter, where they can hide from predators and find food.
Diet
Acreichthys are primarily herbivorous, feeding on algae, seagrass, and other plant matter. Their strong jaws and teeth allow them to scrape algae off rocks and seagrass blades. Some species may also consume small invertebrates, such as crustaceans and worms.
Reproduction
Acreichthys species reproduce through external fertilization. Females release eggs into the water column, which are then fertilized by males. The eggs are typically adhesive and attach to rocks, seaweed, or other substrates. The larvae are pelagic and drift in the currents until they settle on the bottom and transform into juveniles.
Species
The genus Acreichthys contains a number of species, including:
- Acreichthys tomentosus (Whitespotted filefish)
- Acreichthys hakonensis (Hakone filefish)
- Acreichthys radiatus (Radiated filefish)
- Acreichthys blochii (Bloch's filefish)