Dollfus’ stargrazer – Uranoscopus guttatus

Dollfus' stargrazer, , Uranoscopus guttatus
Size: 29.8 cm
Depth: 50 - 55 m

Uranoscopus guttatus, commonly known as the is a fascinating species of fish belonging to the family Uranoscopidae. These fish are known for their unique appearance and intriguing hunting strategies.

Description & Characteristics

Uranoscopus guttatus can grow to a maximum size of 29.8 cm. It possesses a distinctive physical appearance with a flattened head and a large, upward-facing mouth. The fish is characterized by its prominent eyes that are positioned on top of its head, giving it an almost alien-like look. This unique positioning allows it to ambush prey from the sand, as they can effectively scan their surroundings for unsuspecting victims. The fish’s body is typically covered in a combination of brown and white spots, blending in with the sandy ocean floor where it spends much of its time.

Habitat and Occurrence

Uranoscopus guttatus is a demersal fish, meaning it primarily inhabits the bottom of the ocean. They are typically found at depths ranging from 50 to 55 meters. This species is often found in marine zones characterized by sandy substrates, particularly in the Indo-Pacific region. Their preference for these areas is linked to their hunting strategy, which involves lying in wait on the sandy bottom, camouflaged and ready to ambush unsuspecting prey.

Taxonomy

Uranoscopus guttatus belongs to the Class: Teleostei, Order: Perciformes, and Family: Uranoscopidae. This classification places the species within a diverse group of fishes known for their predatory behaviors and distinct physical adaptations.

Feeding

The Uranoscopus guttatus, like other members of its family, is a carnivore. Its diet consists mainly of smaller fish and invertebrates that it ambushes from its hidden position in the sand. The fish’s large mouth and prominent eyes allow it to effectively detect and capture prey. The upward-facing mouth allows them to quickly engulf their prey with a powerful suction force, effectively capturing unsuspecting victims from below.

Associated Species

Image References

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