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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]
Keeltail needlefish are found in the western Atlantic Ocean between North Carolina and Brazil, including the Gulf of Mexico, the Bahamas, and the Caribbean Sea. [6] In the Indian Ocean, they are known off of East Africa, with their range continuing into the Pacific, reaching the Hawaiian Islands and continuing north to the Ogasawara Islands. [7]
Tylosurus choram, the Red Sea houndfish, is a species of needlefish from the family Belonidae.A marine fish bluish in color with a long slender body, and a pointed long toothed beak, found in most temperate, warm seas, and sometimes rivers, it is found in abundance in the Red Sea.
While the houndfish has no spines, its dorsal fin has 21–25 soft rays, and its anal fin has 19–22. [2] They are also known to have 80–86 vertebrae. [2] A key way of distinguishing the houndfish from other members of the genus Tylosurus is that the houndfish's teeth point anteriorly when the fish is a juvenile.
Tylosurus is a genus of needlefish, one of ten in the family Belonidae. They are found worldwide in tropical and warmer temperate seas [ 2 ] and two species have been recorded as Lessepsian migrants in the eastern Mediterranean Sea.
T. a melanotus (Bleeker, 1850) (Keel-jawed needlefish) in the Indo-West Pacific and oceanic islands in the eastern tropical Pacific Revillagigedo Islands, Clipperton Island, and Cocos Island. Tylosurus pacificus was once considered a subspecies of T. acus but is now considered a distinct species. [ 3 ]
Strongylura notata, the redfin needlefish or agujon, [1] is a species of fish in the family Belonidae. [1] [2] Description
As a reasonably popular aquarium fish, Xenentodon cancila has been traded under a variety of common names, including needlefish, [3] silver needlefish, [4] Asian freshwater needlefish, [3] needlenose halfbeak, [5] freshwater gar, [5] needlenose gar and numerous others.