Commerson’s Glassy, scientifically known as Ambassis ambassis, is a small, silvery fish belonging to the family Ambassidae. This species is commonly found in freshwater and brackish water environments throughout its range, showcasing its adaptability to various aquatic conditions.
Description & Characteristics
The Commerson’s Glassy is characterized by its slender, elongated body and translucent appearance. It has a distinctive, slightly compressed body shape, and its scales are small and numerous, giving it a silvery, glossy sheen. The fish typically reaches a maximum size of 15.0 cm. The dorsal fin is divided into two parts, with a spiny portion in front and a soft rayed portion behind. Its eyes are large and prominent, adding to its delicate appearance.
Habitat and Occurrence
Ambassis ambassis is primarily found in freshwater and brackish waters, displaying a strong affinity for mangrove swamps, estuaries, and coastal areas. These habitats provide a suitable environment for the species due to their abundant food sources and sheltered environments. The Commerson’s Glassy has a wide distribution, ranging from the Indian Ocean to the western Pacific. Its presence in these various marine zones highlights its remarkable adaptability.
Taxonomy
Ambassis ambassis is classified within the Class: Teleostei, Order: Ovalentaria incertae sedis, and Family: Ambassidae. This classification reflects its evolutionary relationship with other fish species and its shared characteristics with members of the Ambassidae family.
Feeding
Commerson’s Glassy is an omnivore, feeding on a diverse range of organisms. Its diet primarily consists of small crustaceans, fish larvae, insects, and invertebrates. It also feeds on mysis and shrimps, showcasing its opportunistic feeding behavior.
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