Jenkin’s scorpionfish – Scorpaenopsis cacopsis

Jenkin's scorpionfish, , Scorpaenopsis cacopsis
Size: 51 cm
Depth: 4 - 60 m
Weight: 3500 g
Water Type: Marine

Scorpaenopsis cacopsis is a species of fish belonging to the family Scorpaenidae, commonly known as scorpionfishes. These fish are characterized by their venomous spines, which they use for defense against predators. Scorpaenopsis cacopsis is a relatively large species, reaching a maximum size of 51.0 cm. They are found in a variety of marine habitats, typically inhabiting depths ranging from 4.0 to 60.0 meters.

Description & Characteristics

Scorpaenopsis cacopsis exhibits a robust body shape and is covered in numerous spines. Its coloration is highly variable, ranging from brown to reddish hues, often with intricate patterns and markings. These markings serve as camouflage, helping the fish blend seamlessly with the surrounding environment. The species possesses large, prominent eyes and a wide mouth armed with sharp teeth, essential for capturing prey.

Habitat and Occurrence

Scorpaenopsis cacopsis is a demersal fish, meaning it lives on or near the seabed. They are commonly found in rocky reefs, coral reefs, and sandy bottoms. The species exhibits a wide distribution, inhabiting the tropical and subtropical waters of the Indian Ocean and the western Pacific Ocean. These regions encompass a range of marine zones, including the epipelagic zone (surface to 200 meters), the mesopelagic zone (200 to 1,000 meters), and even the bathypelagic zone (1,000 to 4,000 meters) for some individuals.

Taxonomy

Scorpaenopsis cacopsis belongs to the Class: Teleostei, Order: Perciformes, and Family: Scorpaenidae. The Teleostei class represents the vast majority of bony fishes, while the Perciformes order encompasses a diverse array of species, including the perch, bass, and wrasses. The family Scorpaenidae, known for their venomous spines, includes a wide range of species commonly referred to as scorpionfishes, lionfishes, and rockfishes.

Feeding

Scorpaenopsis cacopsis is a carnivorous fish, primarily feeding on a diet of crustaceans, small fishes, and other invertebrates. Its ambush predation strategy relies on its camouflage to blend with the seabed, patiently waiting for prey to come within range. The fish then strikes swiftly, using its sharp teeth to capture and subdue its meal.

Associated Species

Image References

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