Ambassis nalua is a species of freshwater fish belonging to the family Ambassidae. This species is commonly known as the “glassfish” and is characterized by its transparent, almost glassy body, giving it its common name. It’s a relatively small fish, reaching a maximum size of 12.5 cm.
Description & Characteristics
Ambassis nalua is a slender, elongated fish with a laterally compressed body. It possesses a prominent, slightly protruding snout and a large mouth with small, pointed teeth. The body is transparent, allowing for easy observation of its internal organs. The fins are generally translucent, with the exception of the dorsal fin, which can exhibit a faint yellow or orange tinge. The coloration of the body is typically pale, sometimes with faint markings.
Habitat and Occurrence
Ambassis nalua is a common resident of freshwater habitats, particularly in rivers, streams, and lakes. It exhibits a preference for shallow, well-vegetated areas, often found near submerged vegetation or amongst aquatic plants. The species is widely distributed throughout Southeast Asia and parts of the Indian subcontinent. Ambassis nalua is primarily found in the Indo-Pacific marine zone, with a preference for the tropical regions of this zone. This preference for warmer waters is reflected in its distribution, extending from the coasts of India and Sri Lanka to the Philippines and Indonesia.
Taxonomy
The species Ambassis nalua is classified within the Class: Teleostei, Order: Ovalentaria incertae sedis, and Family: Ambassidae. This classification places it within a diverse group of bony fishes, highlighting its evolutionary relationships within the broader realm of fish species.
Feeding
Ambassis nalua is an omnivorous feeder, consuming a varied diet that includes both plant and animal matter. It primarily feeds on small invertebrates such as insects, crustaceans, and zooplankton. Its diet also includes algae and detritus, reflecting its adaptability and opportunistic feeding habits.
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