The Gunn’s Leatherjacket, Black Leatherjacket, Dark Brown Leatherjacket, Dark-Brown Leatherjacket, Velvet Leatherjacket, scientifically known as Eubalichthys gunnii, is a species of fish belonging to the family Monacanthidae. This fish, also known as the “filefish” due to its rough, sandpaper-like skin, is a common sight in the waters of the southern hemisphere.
Description & Characteristics
Eubalichthys gunnii can reach a maximum size of 60.0 cm, showcasing a robust build and a distinctive, somewhat flattened body shape. The fish displays a coloration that varies from black to dark brown, sometimes exhibiting a velvety texture, hence its alternative name, “Velvet Leatherjacket.” This species possesses a single, prominent dorsal fin and a long, slender caudal fin.
Habitat and Occurrence
Eubalichthys gunnii inhabits a wide range of depths, from 5.0 meters to 150.0 meters, making it a frequent visitor to both shallow and deeper waters. It is primarily found in temperate marine zones, particularly around rocky reefs and coastal areas, where it thrives in the diverse ecosystems of these habitats.
Taxonomy
Eubalichthys gunnii belongs to the Class: Teleostei, Order: Tetraodontiformes, and Family: Monacanthidae. This classification places it within a group of fish characterized by their unique body shapes, often possessing spiky or rough skin, and a generally herbivorous diet.
Feeding
Eubalichthys gunnii is an opportunistic feeder, primarily consuming a diet consisting of crustaceans, fish (little fishes), invertebrates, krill, mysis, shrimps, and zooplankton. Its feeding behavior involves scavenging and actively foraging for food within its habitat.
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