Scientific Name: Opistognathus aurifrons

Description: The yellowheaded jawfish exhibits a striking combination of colors and features that set it apart from other marine species. Its most prominent characteristic is its vibrant yellow head, which contrasts sharply with the rest of its body. The body of the yellowheaded jawfish is elongated and cylindrical, with a series of vertical bands or bars extending along its sides, typically ranging in color from pale yellow to white or beige. Its eyes are large and expressive, positioned high on its head, giving it excellent binocular vision for scanning its surroundings. One of the most remarkable features of the yellowheaded jawfish is its large, protruding mouth, which it uses to excavate burrows in sandy substrates and to capture prey. Despite its relatively small size, reaching lengths of around 4 to 6 inches (10 to 15 centimeters), the yellowheaded jawfish possesses a commanding presence that belies its diminutive stature.

Habitat: The yellowheaded jawfish inhabits a variety of marine habitats in the western Atlantic Ocean, ranging from shallow coastal waters to deeper offshore reefs. It is commonly found in areas with sandy or rubble substrates, where it can excavate burrows for shelter and breeding. Yellowheaded jawfish are often encountered in close proximity to coral reefs, seagrass beds, and rocky outcrops, where they can find ample food and suitable nesting sites. Yellowheaded jawfish are known to be territorial and may defend their burrows vigorously against intruders, including other jawfish and potential predators.

Behavior: When encountered by divers exploring their underwater habitat, yellowheaded jawfish often exhibit a combination of curiosity and caution. These shy and secretive fish are typically wary of approaching divers but may cautiously observe them from a safe distance. With patience and careful observation, divers may be able to witness the fascinating behavior of yellowheaded jawfish as they emerge from their burrows to feed, interact with each other, or perform courtship displays.