The Smallspotted Dart – Trachinotus baillonii is a species of marine fish belonging to the jack family, Carangidae. Known for its distinctive markings and feeding habits, this fish is a fascinating inhabitant of tropical and subtropical waters.
Description & Characteristics
The Smallspotted Dart, Trachinotus baillonii, is a moderately sized fish, reaching a maximum length of 60.0 cm. Its body is laterally compressed, with a deep, oval shape. The dorsal fin is divided into two distinct parts: a spiny anterior section and a soft posterior section. The anal fin is similar in structure, with a few spines followed by soft rays. The fish’s coloration is typically silvery-grey, with small, dark spots scattered over its body. This distinctive pattern is responsible for its common name.
Habitat and Occurrence
The Smallspotted Dart, Trachinotus baillonii, prefers shallow, coastal waters, typically inhabiting depths ranging from 0.0 to 3.0 meters. Its presence is commonly observed in areas with sandy or rocky bottoms, often in association with coral reefs and seagrass beds. This preference for coastal environments makes it a frequent inhabitant of the neritic zone, the region of the ocean extending from the shoreline to the edge of the continental shelf.
Taxonomy
The species Trachinotus baillonii is classified within the Class: Teleostei, Order: Carangiformes, and Family: Carangidae. This taxonomic placement situates the Smallspotted Dart within a group of diverse and highly successful fishes, known for their fast swimming capabilities and predatory lifestyles.
Feeding
The Smallspotted Dart, Trachinotus baillonii, is an opportunistic carnivore with a diverse diet. Its feeding habits are primarily focused on benthic invertebrates, including crabs, crustaceans, isopods, and smaller fishes. This diet reflects its preference for coastal habitats, where a rich abundance of these prey items can be found.
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