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Heterodontus francisci (Girard, 1855)
HORN SHARK
Life   Vertebrata   Fish   Heterodontidae   Heterodontus

Heterodontus francisci
© Copyright Ross Robertson, 2006 · 12
Heterodontus francisci

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Heterodontus francisci
© Copyright Ross Robertson, 2006 · 12
Heterodontus francisci
Heterodontus francisci
© Copyright Photographer/SFTEP, 2002 · 0
Heterodontus francisci
español

Overview
Main identification features
  • eye crest ends abruptlydeeply concave between eyes
  • no clear bar between eyes
  • 1st dorsal fin origin over pectoral
  • flank denticles large and rough
  • body spots less than 1/3 eye
Head high, conical; snout piglike; mouth small, anterior; a low bony ridge above each eye that ends abruptly at rear; space between eyes deeply concave; nasal grooves before mouth; 5 gill slits, first enlarged, 2-3 over pectoral fin; 2 dorsal fins, each with spine at front; first dorsal fin over pectoral base; skin denticles on flank small (~200/cm2 in adults) and smooth.

Dark to light grey, back and sides with small dark spots less than 1/3 eye diameter; no light bar between eyes; small darks spots on a dusky patch below eye.

Size: 122 cm.

Habitat: rocky and sandy habitats, and macroalgal beds.

Depth: 2-200 m.

California to the western and NE Gulf of California.
Attributes
Abundance: Common.
Cites: Not listed.
Climate Zone: North Temperate (Californian Province &/or Northern Gulf of California); Northern Subtropical (Cortez Province + Sinaloan Gap).
Depth Range Max: 200 m.
Depth Range Min: 2 m.
Diet: mobile benthic gastropods/bivalves; mobile benthic crustacea (shrimps/crabs); sea-stars/cucumbers/urchins; bony fishes.
Eastern Pacific Range: Northern limit=35; Southern limit=24; Western limit=-121; Eastern limit=-110; Latitudinal range=11; Longitudinal range=11.
Egg Type: Benthic; No pelagic larva; No pelagic phase.
Feeding Group: Carnivore.
FishBase Habitat: Demersal.
Global Endemism: Tropical Eastern Pacific (TEP) endemic; East Pacific endemic; All species.
Habitat: Reef associated (reef + edges-water column & soft bottom); Sand & gravel; Rocks; Soft bottom (mud, sand,gravel, beach, estuary & mangrove); Reef (rock &/or coral); Reef and soft bottom.
Inshore Offshore: Inshore; Inshore Only.
IUCN Red List: Not evaluated / Listed.
Length Max: 122 cm.
Regional Endemism: Continent; Continent only; TEP endemic; Continental TEP endemic; Cortez province endemic; All species.
Residency: Resident.
Salinity: Marine; Marine Only.
Water Column Position: Bottom; Bottom only;


Names
Scientific source:

Links to other sites

References
  • Balart , E. F. , Castro-Aguirre , J. L. and De Lachica-Bonilla, F., 1997., Análisis comparativo de las comunidades ícticas de fondos blandos y someros de la Bahía de La Paz, B.C. S.. En Urbán Ramírez, J. y M. Ramírez Rodríguez (Eds.). La Bahía de La Paz investigación y conservación., Universidad Autónoma de Baja California Sur:177-188.
  • Breder, C.M. Jr., 1928., Scientific results of the second oceanographic expedition of the "Pawnee" 1926. Elasmobranchii from Panama to Lower California., Bull. Bingham Oceanogr. Collect. Yale Univ., 2(1):1-13.
  • Béarez, P., 1996., Lista de los Peces Marinos del Ecuador Continental., Revista de Biologia Tropical, 44:731-741.
  • Castro-Aguirre , J. L. and Balart, E. F., 1997., Contribución al conocimiento de la ictiofauna de fondos blandos y someros de la Ensenada de La Paz y Bahía de La Paz, B.C.S.. En Urbán Ramírez, J. y M. Ramírez Rodríguez (Eds.). La Bahía de La Paz investigación y conservación., Universidad Autónoma de Baja California Sur:139-150.
  • Compagno, L.J.V., 1999., Checklist of living elasmobranchs. In Hamlett W.C. (ed.) Sharks, skates, and rays: the biology of elasmobranch fishes., The John Hopkins University Press:471-498.
  • Compagno, L.J.V., 1984., Sharks of the World. An annotated and illustrated catalogue of sharks species known to date. Part 1. Hexanchiformes to Lamniformes. FAO Species Catalogue., FAO Fish. Synop. No 125, 4(1):1-249.
  • De la Cruz , J. , Galvan , F. , Abitia , L. A. , Rodriguez , J. and Gutierrez, F. J., 1994., Lista sistematica de los peces marinos de Bahia Magdalena, Baja California Sur (Mexico). Systematic List of marine fishes from Bahia Magdalena, Baja California Sur (Mexico)., Ciencias Marinas, 20:17-31.
  • Eschmeyer , W. N. , Herald , E. S. and Hamman, H., 1983., A field guide to Pacific coast fishes of North America from the Gulf of Alaska to Baja California. Peterson Field Guide Ser. 28., Houghton Mifflin:336pp.
  • Findley, L.T., Hendrickx, M.E., Brusca, R.C., van der Heiden, A.M., Hastings, P.A., Torre, J., 2003., Diversidad de la Macrofauna Marina del Golfo de California, Mexico., CD-ROM versión 1.0. Projecto de la Macrofauna del Golfo .  Derechos reservados de los autores y Conservación Internacional.
  • Fischer , W. , Krup , F. , Schneider , W. , Sommer , C. , Carpenter , K. E. and Niem, V. H., 1995., Guia FAO para la Identificacion de Especies de para los fines de la Pesca. Pacifico Centro-Oriental. Volumen II. Vertebrados - Parte 1., FAO2:647-1200.
  • Galván-Magaña, F., Gutiérrez-Sánchez, F., Abitia-Cárdenas, L.A., Rodríguez-Romero, J., 2000., The distribution and affinities of the shore fishes of the Baja California Sur lagoons. In Aquatic Ecosystems of Mexico: Status and Scope. Eds. M. Manuwar, S.G. Lawrence, I.F. Manuwar & D.F. Malley. Ecovision World Monograph Series., Backhuys Publishers:383-398.
  • Girard, C., 1855., Characteristics of some cartilaginous fishes of the Pacific coast of North America., Proc. Acad. Nat. Sci. Phila., 7:196-197.
  • Jimenez-Prado, P., Béarez, P., 2004., Peces marinos del Ecuador continental / Marine fishes of continental Ecuador., SIMBIOE/NAZCA/IFEA tomo 1 y 2.
  • Jordan , D.S. and Gilbert, C.H., 1880., Notes on a collection of fishes from San Diego, California., Proc. U.S. Nat. Mus., 3:23-34.
  • Love, M.S., Mecklenburg, C.W., Mecklenburg, T.A., Thorsteinson, L.K., 2005., es of the West Coast and Alaska: a checklist of North Pacific and Artic Ocena species from Baja California to the Alaska-Yukon border., U.S. Department of the Interior, U.S. Geological Survey, Biological Resources Division, 288pp.
  • Osburn , R. C. and Nichols, J. T., 1916., Shore Fishes Collected by the 'Albatross' Expedition in Lower California with Descriptions of New Species., Bull. Amer. Mus. Nat. Hist., 35:139-181.
  • Pondella II, D.J., Gintert, B.E., Cobb, J.R., Allen, L.G., 2005., Biogeography of the nearshore rocky-reef fishes at the southern and Baja California islands., Journal of Biogeography, 32:187-201.
  • Rubio, E.A., 1986., Notas sobre la ictiofauna de la Isla de Gorgona, Colombia., Boletin Ecotropica. Univ. Bog. Jorge Tadeo Lozano, 13:86-112.
  • Van der Heiden , A. M. and Findley, L. T., 1988., Lista de los peces marinos del sur de Sinaloa, México., Anales del Centro de Ciencias del Mar y Limnologia de la Universidad Autonoma Nacional de Mexico, 15:209-224.

Acknowledgements

I thank Ashley MacDonald and John Pickering, University of Georgia, for technical support in building this page.


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Number of matches : 11
Query: SELECT * FROM img WHERE ready=1 and taxon like "Heterodontus francisci%" and (lifeform != "specimen_tag" OR lifeform != "Animal") ORDER BY taxon

Click on the thumbnail to see an enlargement

Heterodontus francisci
UCMP specimen card
ID: 2222 0904 0012 0085 [detail]
© University of California Museum of Paleontology

Heterodontus francisci
UCMP specimen card
ID: 2222 0704 0051 0035 [detail]
© University of California Museum of Paleontology

Heterodontus francisci
UCMP specimen card
ID: 2222 0704 0051 0036 [detail]
© University of California Museum of Paleontology

Heterodontus francisci
Heterodontus francisci
Horn Shark
ID: 0000 0000 0506 0737 [detail]
© 2006 Richard Lang

Heterodontus francisci
Heterodontus francisci
Horn Shark
ID: 0000 0000 0808 1057 [detail]
© 2008 Maik Dobiey

Heterodontus francisci
Heterodontus francisci
Horn Shark
ID: 0000 0000 1008 1799 [detail]
© 2008 Tammy Ward

Heterodontus francisci
Heterodontus francisci
California Horn Shark
ID: 0000 0000 1112 0971 [detail]
© 2012 Douglas Klug

Heterodontus francisci
Heterodontus francisci
California Horn Shark
ID: 0000 0000 1112 0974 [detail]
© 2012 Douglas Klug

Heterodontus francisci
Heterodontus francisci
California Horn Shark
ID: 0000 0000 1112 0975 [detail]
© 2012 Douglas Klug

Heterodontus francisci
Heterodontus francisci
California Horn Shark
ID: 0000 0000 1112 0981 [detail]
© 2012 Douglas Klug

Heterodontus francisci
Heterodontus francisci
Horn Shark (tooth)
ID: 6666 6666 0615 0180 [detail]
Gerald and Buff Corsi
© 2015 California Academy of Sciences

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&pull 20q v5.145 20180528: Error 301 Moved Permanently http://www.fishbase.org/summary/Heterodontus-francisci.html

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