Distributions and Habitats: Triakidae FAMILY Triakidae Gray, 1851 - houndsharks SUBFAMILY Triakinae Gray, 1851 - houndsharks GENUS Mustelus Linck, 1790 - smooth-hounds Species Mustelus albipinnis Castro-Aguirre et al., 2005 - white-margin fin smooth-hound shark Distribution: Off Magdalena Bay, Baja California. Habitat: marine. Species Mustelus antarcticus Günther, 1870 - gummy shark Distribution: Southern Australia and New Zealand. Habitat: marine. Species Mustelus asterias Cloquet, 1819 - starry smooth-hound Distribution: Mediterranean Sea, eastern Atlantic: North Sea to Mauritania including Madeira and Canary Islands. Habitat: marine. Species Mustelus californicus Gill, 1864 - gray smooth-hound Distribution: Eastern Pacific: northern California (U.S.A.) to Gulf of California. Habitat: marine. Species Mustelus canis (Mitchill, 1815) - smooth dog, dusky smooth-hound Distribution: Western Atlantic: Canada to Argentina and Uruguay. Habitat: marine. Species Mustelus dorsalis Gill, 1864 - sharptooth smooth-hound Distribution: Eastern Pacific. Habitat: marine. Species Mustelus fasciatus (Garman, 1913) - striped smooth-hound Distribution: Southwestern Atlantic: southern Brazil to Argentina. Habitat: marine. Species Mustelus griseus Pietschmann, 1908 - Japanese gray smooth-hound Distribution: Western North Pacific. Habitat: marine. Species Mustelus henlei (Gill, 1863) - brown smooth-hound Distribution: Eastern Pacific: California (U.S.A.) to the Gulf of California, possibly Peru. Habitat: marine. Species Mustelus higmani Springer & Lowe, 1963 - smalleye smooth-hound Distribution: Western Atlantic. Habitat: marine. Species Mustelus kanekonis (Tanaka, 1916) - spotless smooth-hound Distribution: Western North Pacific. Habitat: marine. Species Mustelus lenticulatus Phillipps, 1932 - rig shark, spotted estuary smooth-hound Distribution: Southwestern Pacific. Habitat: marine. Species Mustelus lunulatus Jordan & Gilbert, 1882 - sicklefin smooth-hound Distribution: Eastern Pacific. Habitat: marine. Species Mustelus manazo Bleeker, 1855 - starspotted smooth-hound Distribution: Indo-West Pacific: Kenya; temperate Northwest Pacific; Queensland (Australia), Chesterfield Islands and New Caledonia. Habitat: marine. Species Mustelus mento Cope, 1877 - speckled smooth-hound Distribution: Eastern Pacific. Habitat: marine. Species Mustelus minicanis Heemstra, 1997 - dwarf smooth-hound Distribution: Western Atlantic. Habitat: marine. Species Mustelus mosis Hemprich & Ehrenberg, 1899 - Arabian smooth-hound Distribution: Red Sea, western Indian Ocean, east to Maldives, India and Sri Lanka. Habitat: marine. Species Mustelus mustelus (Linnaeus, 1758) - gray mouth dog Distribution: Mediterranean Sea, eastern Atlantic: British Isles and North Sea to South Africa including Madeira; southwestern Indian Ocean: South Africa north to Durban. Habitat: marine. Species Mustelus norrisi Springer, 1939 - Florida smooth-hound Distribution: Western Atlantic: Gulf of Mexico to Brazil. Habitat: marine. Species Mustelus palumbes Smith, 1957 - whitespotted smooth-hound Distribution: Southern Africa. Habitat: marine. Species Mustelus punctulatus Risso, 1827 - blackspotted smooth-hound Distribution: Mediterranean Sea, eastern Atlantic: Morocco to Western Sahara. Habitat: marine. Species Mustelus ravidus White & Last, 2006 - Australian grey smooth-hound Distribution: Australia: Western Australia. Habitat: marine. Species Mustelus schmitti Springer, 1939 - narrownose smooth-hound Distribution: Southwestern Atlantic. Habitat: marine. Species Mustelus sinusmexicanus Heemstra, 1997 - Gulf smooth-hound Distribution: Western Atlantic. Habitat: marine. Species Mustelus stevensi White & Last, 2008 - white-spotted gummy shark Distribution: Northwestern Australia. Habitat: marine. Species Mustelus walkeri White & Last, 2008 - Eastern spotted gummy shark Distribution: Northeastern Australia. Habitat: marine. Species Mustelus whitneyi Chirichigno F., 1973 - humpback smooth-hound Distribution: Southeastern Pacific: Peru and Chile. Habitat: marine. Species Mustelus widodoi White & Last, 2006 - whitefin smooth-hound Distribution: Bali, Indonesia. Habitat: marine. GENUS Scylliogaleus Boulenger, 1902 - houndsharks Species Scylliogaleus quecketti Boulenger, 1902 - flapnose houndshark Distribution: Western Indian Ocean. Habitat: marine. GENUS Triakis Müller & Henle, 1838 - houndsharks Species Triakis acutipinna Kato, 1968 - sharpfin houndshark Distribution: Ecuador. Habitat: marine. Species Triakis maculata Kner & Steindachner, 1867 - spotted houndshark Distribution: Eastern Pacific. Habitat: marine. Species Triakis megalopterus (Smith, 1839) - sharptooth houndshark Distribution: Southeastern Atlantic, southwestern Indian Ocean: southern Africa. Habitat: marine. Species Triakis scyllium Müller & Henle, 1839 - banded houndshark Distribution: Western North Pacific. Habitat: marine. Species Triakis semifasciata Girard, 1855 - leopard shark Distribution: Eastern Pacific: Oregon, U.S.A. to Gulf of California. Habitat: marine. SUBFAMILY Galeorhininae Gill, 1862 GENUS Furgaleus Whitley, 1951 - whiskery sharks Species Furgaleus macki (Whitley, 1943) - whiskery shark Distribution: Australia: Victoria, Tasmania, South Australia and Western Australia. Habitat: marine. GENUS Galeorhinus Blainville, 1816l - soupfin sharks Species Galeorhinus galeus (Linnaeus, 1758) - soupfin shark Distribution: Temperate waters of Southern Hemisphere; North Atlantic (including Mediterranean Sea, western Baltic Sea, North Sea); North Pacific. Habitat: marine. GENUS Gogolia Compagno, 1973 - sailback houndsharks Species Gogolia filewoodi Compagno, 1973 - sailback houndshark Distribution: New Guinea. Habitat: marine. GENUS Hemitriakis Herre, 1923 - houndsharks Species Hemitriakis abdita Compagno & Stevens, 1993 - deepwater sicklefin houndshark Distribution: Western Pacific: eastern Australia. Habitat: marine. Species Hemitriakis complicofasciata Takahashi & Nakaya, 2004 - ocellate topeshark Distribution: Ryukyu Islands to southwestern Taiwan, Philippines (?). Habitat: marine. Species Hemitriakis falcata Compagno & Stevens, 1993 - sicklefin houndshark Distribution: Australia: Western Australia. Habitat: marine. Species Hemitriakis indroyonoi White et al., 2009 - Indonesian houndshark Distribution: Indonesia. Habitat: marine. Species Hemitriakis japanica (Müller & Henle, 1839) - Japanese topeshark Distribution: Western Pacific: Japan, China, Korea, Taiwan; Chesterfield Islands, New Caledonia. Habitat: marine. Species Hemitriakis leucoperiptera Herre, 1923 - whitefin topeshark Distribution: Philippines. Habitat: marine. GENUS Hypogaleus Smith, 1957 - topesharks Species Hypogaleus hyugaensis (Miyosi, 1939) - blacktip topeshark Distribution: Indo-West Pacific. Habitat: marine. GENUS Iago Compagno & Springer, 1971 - houndsharks Species Iago garricki Fourmanoir & Rivaton, 1979 - longnose houndshark Distribution: Indo-West Pacific. Habitat: marine. Species Iago mangalorensis (Cubelio et al., 2011) - Mangalore houndshark Distribution: Southern India (holotype). Habitat: marine. Species Iago omanensis (Norman, 1939) - bigeye houndshark Distribution: Red Sea, western and northern Indian Ocean. Habitat: marine.