Zenarchopterus

Zenarchopterus is a genus of viviparous halfbeaks. These fish are found in marine, brackish and fresh water of the Indo-Pacific region. Despite being in the viviparous halfbeak family, Zenarchopterus species are oviparous.

They are commonly known as river garfish.

Species
There are currently 19 recognized species in this genus:
 * Zenarchopterus alleni Collette, 1982 (Allen's river garfish)
 * Zenarchopterus buffonis (Valenciennes, 1847) (Buffon's river garfish)
 * Zenarchopterus caudovittatus (M. C. W. Weber, 1907) (Long-jawed river garfish)
 * Zenarchopterus clarus Mohr, 1926
 * Zenarchopterus dispar (Valenciennes, 1847) (Feathered river garfish)
 * Zenarchopterus dunckeri Mohr, 1926 (Duncker's river garfish)
 * Zenarchopterus dux Seale, 1910
 * Zenarchopterus ectuntio (F. Hamilton, 1822)
 * Zenarchopterus gilli H. M. Smith, 1945
 * Zenarchopterus kampeni (M. C. W. Weber, 1913) (Sepik River halfbeak)
 * Zenarchopterus novaeguineae (M. C. W. Weber, 1913) (Fly River garfish)
 * Zenarchopterus ornithocephala Collette, 1985 (Vogelkop river garfish)
 * Zenarchopterus pappenheimi Mohr, 1926 (Bangkok halfbeak)
 * Zenarchopterus philippinus (W. K. H. Peters, 1868)
 * Zenarchopterus quadrimaculatus Mohr, 1926
 * Zenarchopterus rasori (Popta, 1912) (Short river garfish)
 * Zenarchopterus robertsi Collette, 1982 (Robert's river garfish)
 * Zenarchopterus striga (Blyth, 1858) (Hooghly halfbeak)
 * Zenarchopterus xiphophorus Mohr, 1934