Bluespotted searobin – Prionotus roseus

Bluespotted searobin, Bluespotted Searobin, Prionotus roseus

The Bluespotted Searobin, scientifically known as Prionotus roseus, is a fascinating fish species that inhabits the depths of the ocean. This relatively small fish, reaching a maximum size of 20.0 cm, can be found in a variety of marine environments.

Description & Characteristics

The Bluespotted Searobin is easily recognizable by its distinctive blue spots that adorn its body. Its coloration varies, ranging from reddish-brown to grayish-brown. It possesses three fleshy appendages, known as “feelers,” located on its chin, which aid in detecting prey on the ocean floor. Its head is somewhat flattened, and its eyes are positioned high on its head, providing a wide field of vision.

Habitat and Occurrence

The Bluespotted Searobin, Prionotus roseus, is an inhabitant of the demersal zone, typically found at depths ranging from 9.0 to 183.0 meters. This depth range places it within the bathyal zone, often referred to as the “twilight zone” due to the limited light penetration. The species is distributed along the Atlantic coast of North America, from the Gulf of Maine to the Gulf of Mexico. It is particularly prevalent in the western Atlantic, thriving in the varied habitats of this expansive marine environment.

Taxonomy

The Bluespotted Searobin, Prionotus roseus, belongs to the Class: Teleostei, Order: Perciformes, and Family: Triglidae. This classification places it within the group of bony fishes, specifically within the perch-like fishes and the family of sea robins, respectively. This family is known for its unique “feelers” and flattened heads, which are adaptations for their benthic lifestyle.

Feeding

The Bluespotted Searobin, Prionotus roseus, is a carnivorous fish that primarily feeds on invertebrates found on the ocean floor. Its diet includes a variety of organisms such as krill, mysids, shrimps, worms, and zoobenthos. Its “feelers” play a crucial role in locating and capturing these prey items, making it an efficient hunter in its benthic habitat.

Associated Species

Image References

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