Alepocephalidae
Encyclopedia
Slickheads or nakedheads are a family, Alepocephalidae, of osmeriform fishes. They are deep-water fishes most common below 1,000 m. They get their name from the lack of scales on the head.

Species

There are about a hundred species in twenty genera:
  • Genus Alepocephalus
    • Agassiz' slickhead, Alepocephalus agassizii Goode
      George Brown Goode
      George Brown Goode , was an ichthyologist, although most of his time was spent as a museum administrator and he was very interested in the history of science, especially the history of the development of science in America. Goode graduated from Wesleyan University and studied at Harvard University...

       & Bean
      Tarleton Hoffman Bean
      Tarleton Hoffman Bean was an American ichthyologist, born at Bainbridge, Pennsylvania on 8 October 1846. He died in Albany, New York on 28 December 1916.-FAMILY AND EDUCATION :...

      , 1883
      .
    • Alepocephalus andersoni Fowler, 1934.
    • Alepocephalus antipodianus (Parrott, 1948).
    • Alepocephalus asperifrons Garman, 1899.
    • Small scaled brown slickhead, Alepocephalus australis Barnard, 1923.
    • Baird's smooth-head, Alepocephalus bairdii Goode
      George Brown Goode
      George Brown Goode , was an ichthyologist, although most of his time was spent as a museum administrator and he was very interested in the history of science, especially the history of the development of science in America. Goode graduated from Wesleyan University and studied at Harvard University...

       & Bean
      Tarleton Hoffman Bean
      Tarleton Hoffman Bean was an American ichthyologist, born at Bainbridge, Pennsylvania on 8 October 1846. He died in Albany, New York on 28 December 1916.-FAMILY AND EDUCATION :...

      , 1879
      .
    • Alepocephalus bicolor Alcock
      Alfred William Alcock
      Alfred William Alcock was a British physician naturalist and carcinologist.Alcock was the son of a sea-captain, John Alcock in Bombay, India who retired to live in Blackheath...

      , 1891
      .
    • Alepocephalus blanfordii Alcock
      Alfred William Alcock
      Alfred William Alcock was a British physician naturalist and carcinologist.Alcock was the son of a sea-captain, John Alcock in Bombay, India who retired to live in Blackheath...

      , 1892
      .
    • Alepocephalus dentifer Sazonov & Ivanov, 1979.
    • Alepocephalus fundulus Garman, 1899.
    • Alepocephalus longiceps Lloyd, 1909.
    • Alepocephalus longirostris Okamura & Kawanishi, 1984.
    • Alepocephalus melas de Buen, 1961.
    • Alepocephalus owstoni Tanaka, 1908.
    • Alepocephalus planifrons Sazonov, 1993.
    • Smalleye smooth-head, Alepocephalus productus Gill
      Theodore Gill
      Theodore Nicholas Gill was an American ichthyologist, mammalogist, malacologist and librarian.Born and educated in New York City under private tutors, Gill early showed interest in natural history. He was associated with J...

      , 1883
      .
    • Risso's smooth-head, Alepocephalus rostratus Risso
      Antoine Risso
      Giuseppe Antonio Risso , called Antoine Risso, was a Niçard naturalist.Risso was born in Nice, County of Nice, a part of the Duchy of Savoy, and studied under Giovanni Battista Balbis. He published , and . Risso's dolphin was named after him...

      , 1820
      .
    • California slickhead, Alepocephalus tenebrosus Gilbert, 1892.
    • Alepocephalus triangularis Okamura & Kawanishi, 1984.
    • Alepocephalus umbriceps Jordan
      David Starr Jordan
      David Starr Jordan, Ph.D., LL.D. was a leading eugenicist, ichthyologist, educator and peace activist. He was president of Indiana University and Stanford University.-Early life and education:...

       & Thompson, 1914
      .
  • Genus Asquamiceps
    • Asquamiceps caeruleus Markle, 1980.
    • Asquamiceps hjorti (Koefoed, 1927).
    • Asquamiceps longmani Fowler, 1934.
    • Fanfin smooth-head, Asquamiceps velaris Zugmayer
      Erich Zugmayer
      Erich Johann Georg Zugmayer was an Austrian zoologist and ichthyologist-Species described by Zugmayer:* Benthalbella infans Zugmayer, 1911* Cetostoma regani Zugmayer, 1914...

      , 1911
      .
  • Genus Aulastomatomorpha
    • Aulastomatomorpha phospherops Alcock
      Alfred William Alcock
      Alfred William Alcock was a British physician naturalist and carcinologist.Alcock was the son of a sea-captain, John Alcock in Bombay, India who retired to live in Blackheath...

      , 1890
      .
  • Genus Bajacalifornia
    Bajacalifornia
    Bajacalifornia is a fish genus from the family Alepocephalidae. It was described in 1925 by Charles Haskins Townsend and John Treadwell Nichols on the basis of Bajacalifornia burragei which was discovered in 1911 during the deep sea expedition of the research vessel USS Albatross off the coast of...

    • Bajacalifornia aequatoris Miya & Markle, 1993.
    • Bajacalifornia arcylepis Markle & Krefft, 1985.
    • Sharpchin slickhead, Bajacalifornia burragei Townsend & Nichols, 1925.
    • Brown slickhead, Bajacalifornia calcarata (Weber, 1913).
    • Bajacalifornia erimoensis Amaoka & Abe, 1977.
    • Bigeye smooth-head, Bajacalifornia megalops (Lütken, 1898).
    • Bajacalifornia microstoma Sazonov, 1988.
  • Genus Bathylaco
    • Bathylaco macrophthalmus Nielsen & Larsen, 1968.
    • Bathylaco nielseni Sazonov & Ivanov, 1980.
    • Black warrior, Bathylaco nigricans Goode
      George Brown Goode
      George Brown Goode , was an ichthyologist, although most of his time was spent as a museum administrator and he was very interested in the history of science, especially the history of the development of science in America. Goode graduated from Wesleyan University and studied at Harvard University...

       & Bean
      Tarleton Hoffman Bean
      Tarleton Hoffman Bean was an American ichthyologist, born at Bainbridge, Pennsylvania on 8 October 1846. He died in Albany, New York on 28 December 1916.-FAMILY AND EDUCATION :...

      , 1896
      .
  • Genus Bathyprion
    • Fangtooth smooth-head, Bathyprion danae Marshall, 1966.
  • Genus Bathytroctes
    • Bathytroctes breviceps Sazonov, 1999.
    • Bathytroctes elegans Sazonov & Ivanov, 1979.
    • Bathytroctes inspector Garman, 1899.
    • Bathytroctes macrognathus Sazonov, 1999.
    • Koefoed's smooth-head, Bathytroctes macrolepis (Koefoed, 1927).
    • Michael Sars smooth-head, Bathytroctes michaelsarsi Koefoed, 1927.
    • Smallscale smooth-head, Bathytroctes microlepis (Lloyd, 1909).
    • Bathytroctes oligolepis (Krefft, 1970).
    • Bathytroctes pappenheimi (Fowler, 1934).
    • Bathytroctes squamosus Alcock
      Alfred William Alcock
      Alfred William Alcock was a British physician naturalist and carcinologist.Alcock was the son of a sea-captain, John Alcock in Bombay, India who retired to live in Blackheath...

      , 1890
      .
    • Bathytroctes zugmayeri Fowler, 1974.
  • Genus Binghamichthys
    • Binghamichthys aphos Bussing, 1965.
  • Genus Conocara
    • Conocara bertelseni Sazonov, 2002.
    • Fiolenti's smooth-head, Conocara fiolenti Sazonov & Ivanov, 1979.
    • Conocara kreffti (Nielsen & Larsen, 1970).
    • Longfin smooth-head, Conocara macropterum (Vaillant
      Léon Vaillant
      Léon Louis Vaillant was a French zoologist. He is most famous for his work in the areas of herpetology, malacology, and ichthyology...

      , 1888)
      .
    • Elongate smooth-head, Conocara microlepis (Lloyd, 1909).
    • Murray's smooth-head, Conocara murrayi (Koefoed, 1927).
    • Conocara nigrum (Günther, 1878).
    • Salmon smooth-head, Conocara salmoneum (Gill
      Theodore Gill
      Theodore Nicholas Gill was an American ichthyologist, mammalogist, malacologist and librarian.Born and educated in New York City under private tutors, Gill early showed interest in natural history. He was associated with J...

       & Townsend, 1897)
      .
    • Werner's smooth-head, Conocara werneri Nybelin, 1947.
  • Genus Einara
    • Toothless smooth-head, Einara edentula (Alcock
      Alfred William Alcock
      Alfred William Alcock was a British physician naturalist and carcinologist.Alcock was the son of a sea-captain, John Alcock in Bombay, India who retired to live in Blackheath...

      , 1892)
      .
    • Loosescale smooth-head, Einara macrolepis (Koefoed, 1927).
  • Genus Herwigia
    • Krefft's smooth-head, Herwigia kreffti (Nielsen & Larsen, 1970).
  • Genus Leptoderma
    • Leptoderma affinis Alcock
      Alfred William Alcock
      Alfred William Alcock was a British physician naturalist and carcinologist.Alcock was the son of a sea-captain, John Alcock in Bombay, India who retired to live in Blackheath...

      , 1899
      .
    • Leptoderma lubricum Abe, Marumo & Kawaguchi, 1965.
    • Leptoderma macrophthalmum Byrkjedal, Poulsen & Galbraith, 2011
    • Grenadier smooth-head, Leptoderma macrops Vaillant
      Léon Vaillant
      Léon Louis Vaillant was a French zoologist. He is most famous for his work in the areas of herpetology, malacology, and ichthyology...

      , 1886
      .
    • Leptoderma retropinna Fowler, 1943.
  • Genus Microphotolepis
    • Microphotolepis multipunctata Sazonov & Parin, 1977.
    • Microphotolepis schmidti (Angel & Verrier, 1931).
  • Genus Mirognathus
    • Norman's smooth-head, Mirognathus normani Parr, 1951.
  • Genus Narcetes
    • Narcetes erimelas Alcock
      Alfred William Alcock
      Alfred William Alcock was a British physician naturalist and carcinologist.Alcock was the son of a sea-captain, John Alcock in Bombay, India who retired to live in Blackheath...

      , 1890
      .
    • Narcetes kamoharai Okamura, 1984.
    • Narcetes lloydi Fowler, 1934.
    • Blackhead salmon, Narcetes stomias (Gilbert, 1890).
    • Narcetes wonderi Herre, 1934.
  • Genus Photostylus
    • Starry smooth-head, Photostylus pycnopterus Beebe, 1933.
  • Genus Rinoctes
    • Abyssal smooth-head, Rinoctes nasutus (Koefoed, 1927).
  • Genus Rouleina
    • Softskin smooth-head, Rouleina attrita (Vaillant
      Léon Vaillant
      Léon Louis Vaillant was a French zoologist. He is most famous for his work in the areas of herpetology, malacology, and ichthyology...

      , 1888)
      .
    • Rouleina danae (Marshall, 1966).
    • Rouleina eucla Whitley, 1940.
    • Rouleina euryops Sazonov, 1999.
    • Rouleina guentheri (Alcock
      Alfred William Alcock
      Alfred William Alcock was a British physician naturalist and carcinologist.Alcock was the son of a sea-captain, John Alcock in Bombay, India who retired to live in Blackheath...

      , 1892)
      .
    • Rouleina livida (Brauer, 1906).
    • Madeiran smooth-head, Rouleina maderensis Maul, 1948.
    • Rouleina nuda (Brauer, 1906).
    • Bluntsnout slickhead, Rouleina squamilatera (Alcock
      Alfred William Alcock
      Alfred William Alcock was a British physician naturalist and carcinologist.Alcock was the son of a sea-captain, John Alcock in Bombay, India who retired to live in Blackheath...

      , 1898)
      .
    • Rouleina watasei (Tanaka, 1909).
  • Genus Talismania (genus)
    • Antillean smooth-head, Talismania antillarum (Goode
      George Brown Goode
      George Brown Goode , was an ichthyologist, although most of his time was spent as a museum administrator and he was very interested in the history of science, especially the history of the development of science in America. Goode graduated from Wesleyan University and studied at Harvard University...

       & Bean
      Tarleton Hoffman Bean
      Tarleton Hoffman Bean was an American ichthyologist, born at Bainbridge, Pennsylvania on 8 October 1846. He died in Albany, New York on 28 December 1916.-FAMILY AND EDUCATION :...

      , 1896)
      .
    • Threadfin slickhead, Talismania bifurcata (Parr, 1951).
    • Talismania brachycephala Sazonov, 1981.
    • Talismania bussingi Sazonov, 1989.
    • Talismania filamentosa Okamura & Kawanishi, 1984.
    • Hairfin smooth-head, Talismania homoptera (Vaillant
      Léon Vaillant
      Léon Louis Vaillant was a French zoologist. He is most famous for his work in the areas of herpetology, malacology, and ichthyology...

      , 1888)
      .
    • Talismania kotlyari Sazonov & Ivanov, 1980.
    • Talismania longifilis (Brauer, 1902).
    • Threadfin smooth-head, Talismania mekistonema Sulak, 1975.
    • Talismania okinawensis Okamura & Kawanishi, 1984.
  • Genus Xenodermichthys
    • Bluntsnout smooth-head
      Bluntsnout smooth-head
      The bluntsnout smooth-head, black slickhead, cope's bluntsnout smooth-head, or Atlantic gymnast, Xenodermichthys copei, is a slickhead of the genus Xenodermichthys, found in the Atlantic, Indian, and Pacific oceans, and the Tasman Sea, at depths of 100 to 2,600 m...

      , Xenodermichthys copei (Gill, 1884).
    • Xenodermichthys nodulosus Günther, 1878.

External links

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