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Needlefish (family Belonidae) or long toms [2] are piscivorous fishes primarily associated with very shallow marine habitats or the surface of the open sea. Some genera include species found in marine, brackish, and freshwater environments (e.g., Strongylura), while a few genera are confined to freshwater rivers and streams, including Belonion, Potamorrhaphis, and Xenentodon. [3]
Indonesia is a country with vast amount of freshwater fish species; it is the country with the third-largest number of freshwater fish species in the world, with a total of 1155 species. And about 440 species are endemic to Indonesia. This makes Indonesia as the 4th country with the largest endemic freshwater fish species, with Brazil (1716 ...
Alepisaurus ferox R. T. Lowe, 1833 (long-snouted lancetfish) The anatomic difference between the two species is the shape of the snout, which is long and pointed in A. ferox, and slightly shorter in A. brevirostris. The long-snouted lancetfish is found in the tropical and northern sub-tropical waters of the Pacific Ocean.
P. Painted maskray; Pale catshark; Pangasius humeralis; Paracheilinus alfiani; Parachela cyanea; Parachela hypophthalmus; Paracrossochilus vittatus; Paradise threadfin
With low reproductive rates and long gestation periods, the sharpnose guitarfish is vulnerable to being overfished which results in population decline. This combination of slow growth rates and late sexual maturity means the population has a limited capacity for recovery once populations have started to decline.
Sawfish, also known as carpenter sharks, are a family of rays characterized by a long, narrow, flattened rostrum, or nose extension, lined with sharp transverse teeth, arranged in a way that resembles a saw. They are among the largest fish, with some species reaching lengths of about 7–7.6 m (23–25 ft). [1]
These fish have been found throughout Southeast Asia, ranging from Thailand in the Chao Phraya and Mekong River basins to the Greater Sunda Islands. The species has been reported in Burma . [ 5 ] The type locality of Tor tambroides is the Indonesian island of Sumatra.
Naso unicornfishes have a pointed snout and a rhomboidal or oval shaped body, with some species possessing a long protuberance on the forehead, typically present in both males and females. The caudal peduncle is slender and there are 1 or 2 anteriorly directed sharp, blade-shaped spines mounted on bony plates on each side.