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Anisotremus davidsonii (Steindachner, 1876)
XANTIC SARGO
- sargo

Life   Vertebrata   Fish   Haemulidae   Anisotremus

Anisotremus davidsonii
© Copyright Gerald Allen, 2006 · 0
Anisotremus davidsonii

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Anisotremus davidsonii
© Copyright Gerald Allen, 2006 · 0
Anisotremus davidsonii
español

Overview
Main identification features
  • silver + dark bar mid-body
Sargo, Xanthic sargo

Dorsal rays XI-XII, 14-16; anal rays III, 9-11; lateral-line scales 50-52; body depth 2.2-2.4 in standard length; scale rows of back ascending obliquely; lips thick; second anal spine not noticeably enlarged.

Overall silvery with yellowish tinge; a prominent blackish bar on side at level of outer part of pectoral fin; upper margin of operculum black; black spot on outer pectoral base; young specimens have 2-3 blackish stripes on the side and lack a spot at the tail fin base.

Size: attains 60 cm, but common to 30 cm.

Habitat: found on rocky, weed-covered reefs, sometimes forming schools.

Depth: 5-61 m.

Central California to central Baja, the NW and eastern 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); Northern Tropical (Mexican Province to Nicaragua + Revillagigedos).
Depth Range Max: 61 m.
Depth Range Min: 5 m.
Diet: sponges/seasquirts/bryozoa; mobile benthic crustacea (shrimps/crabs); mobile benthic gastropods/bivalves.
Eastern Pacific Range: Northern limit=34; Southern limit=22; Western limit=-119; Eastern limit=-106; Latitudinal range=12; Longitudinal range=13.
Egg Type: Pelagic; Pelagic larva.
Feeding Group: Carnivore.
FishBase Habitat: Demersal.
Global Endemism: TEP non-endemic; East Pacific endemic; All species.
Habitat: Reef associated (reef + edges-water column & soft bottom); Rocks; Reef (rock &/or coral); Reef only.
Inshore Offshore: Inshore; Inshore Only.
IUCN Red List: Not evaluated / Listed.
Length Max: 60 cm.
Regional Endemism: Continent; Temperate Eastern Pacific, primarily; California province, primarily; Continent only; Tropical Eastern Pacific (TEP) non-endemic; All species.
Residency: Vagrant.
Salinity: Marine; Marine Only.
Water Column Position: Bottom; Near Bottom; Bottom + water column;


Names
Scientific source:

Links to other sites

References
  • Allen , G.R. and Robertson, D.R., 1994., Fishes of the Tropical Eastern Pacific., Crawford House Press Pty Ltd:1-332.
  • Balart , E. F. , Castro-Aguirre , J. L. , Aurioles-Gamboa , D. , García-Rodriguez , F. and Villavicencio-Garayzar, C., 1995., Adiciones a la ictiofauna de Bahía de la Paz, Baja California Sur, México., Hidrobiologica, 5:79-85.
  • Breder, C.M. Jr., 1936., Scientific results of the second oceanographic expedition of the "Pawnee" 1926. Heterosomata to Pediculati from Panama to Lower California., Bull. Bingham Oceanogr. Collect. Yale Univ., 2(3):1-56.
  • 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.
  • García-Rodríguez , F. J. and Aurioles-Gamboa, D., 1997., Contribución al conocimiento de la diversidad íctica en la Bahía de La Paz por … lobo marino de California, Zalophus californianus californianus. En Urbán Ramírez, J. y M. Ramírez Rodríguez (Eds.). La Bahía de La Paz investigación y conservación., Universidad Autónoma de Baja California Sur:151-162.
  • Jordan , D.S. and Evermann, B.W., 1898., The fishes of North and Middle America: a descriptive catalogue of the species of fish-like vertebrates found in the waters of North America, north of the Isthmus of Panama. Part II., Bull. U.S. Nat. Mus., 47:1241-2183.
  • Jordan , and McGregor,., 1898., List of fishes collected at the Revillagigedo archipelago and neighboring islands., Rept. U.S. Fisheries Comm., 24:271-284.
  • 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.
  • Madrid Vera , J. , Ruíz Luna , A. and Rosado Bravo, I., 1998., Peces de la plataforma continental de Michoacán y sus relaciones regionales en el Pacífico mexicano., Revista de Biologia Tropical, 42(2):267-276.
  • Minckley, W.L., 2002., Fishes of the lowermost colorado river, its delta, and estuary: a commentary on biotic change. En: Lozano-Vilano, M. L. (Ed.). Libro Jubilar en Honor al Dr. Salvador Contreras Balderas., Universidad Autonoma de Nuevo León:63-78.
  • Moore, R.H. and Herbinson, K.T., 2002., First record of the armed grunt, Conodon serrifer (Haemulaide), in southern California., Calif. Fish & Game, 88:178-180.
  • 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.
  • Steindachner, F., 1876., Ichthyologische Beiträage (III). Bemerkungen über Serranus nebulifer und S. clathratus sp. Gird., Sitzungsber. Akad. Wiss. Wien, 72:29-96.
  • Thomson , D.A. , Findley , L.T. and Kerstitch, A.N., 2000., Reef fishes of the Sea of Cortez., University of Texas Press(Revised Ed.):353.
  • Villareal-Cavazos, A., Reyes-Bonilla, H., Bermúdez-Almada, B. and Arizpe-Covarrubias, O., 2000., Los peces del arrecife de Cabo Pulmo, Golfo de California, México: Lista sistemática y aspectos de abundancia y biogeografía., Rev. Biol. Trop., 48:413-424.

Acknowledgements

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


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Common name (e.g. trout)

Genus + Species (e.g. Gadus morhua)

Anisotremus davidsonii (Steindachner , 1876)

Xantic sargo Add your observation in Fish Watcher
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Anisotremus davidsonii   AquaMaps   Data sources: GBIF OBIS
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Pictures | Google image Image of Anisotremus davidsonii (Xantic sargo) Anisotremus davidsonii
Picture by Allen, G.R.

Classification / Names Common names | Synonyms | Catalog of Fishes ( gen. , sp. ) | ITIS | CoL | WoRMS | Cloffa

Actinopterygii (ray-finned fishes) > Perciformes (Perch-likes) > Haemulidae (Grunts) > Haemulinae
Etymology: Anisotremus: Greek, anisos = unequal + Greek, trema, -atos = hole (Ref. 45335 ) .  More on author: Steindachner .

Environment: milieu / climate zone / depth range / distribution range Ecology

Marine; demersal; depth range 0 - 40 m (Ref. 2850 ), usually ? - 8 m (Ref. 2850 ).   Subtropical; 37°N - 24°N, 124°W - 107°W

Distribution Countries | FAO areas | Ecosystems | Occurrences | Point map | Introductions | Faunafri

Eastern Central Pacific: Santa Cruz in central California, USA to southern Baja California, Mexico; isolated population in the Gulf of California.7

Size / Weight / Age

Maturity: L m   ?   range ? - ? cm
Max length : 58.0 cm TL male/unsexed; (Ref. 2850 ); max. reported age: 15 years (Ref. 56049 )

Biology     Glossary (e.g. epibenthic)

Occur in coastal waters, frequently in rocky reefs and occasionally over sandy bottoms (Ref. 9114 ); often near kelp beds. Juveniles form schools in littoral pools (Ref. 9114 ). Feed on crustaceans, mollusks and bryozoans. Pelagic spawner (Ref. 56049 ). Marketed fresh (Ref. 9114 ).

Life cycle and mating behavior Maturity | Reproduction | Spawning | Eggs | Fecundity | Larvae

Distinct pairing during breeding (Ref. 205 ). Pelagic spawner (Ref. 56049 ).

Main reference Upload your references | References | Coordinator | Collaborators

Eschmeyer, W.N., E.S. Herald and H. Hammann , 1983. A field guide to Pacific coast fishes of North America. Boston (MA, USA): Houghton Mifflin Company. xii+336 p. (Ref. 2850 )

IUCN Red List Status (Ref. 120744 )

  Least Concern (LC)  ; Date assessed: 25 May 2007

CITES (Ref. 115941 )

Not Evaluated

CMS (Ref. 116361 )

Not Evaluated

Threat to humans

  Harmless




Human uses

Fisheries: minor commercial; gamefish: yes FAO(Publication : search ) | FishSource |

More information

Countries
FAO areas
Ecosystems
Occurrences
Introductions
Stocks
Ecology
Diet
Food items
Food consumption
Ration
Common names
Synonyms
Metabolism
Predators
Ecotoxicology
Reproduction
Maturity
Spawning
Spawning aggregation
Fecundity
Eggs
Egg development
Age/Size
Growth
Length-weight
Length-length
Length-frequencies
Morphometrics
Morphology
Larvae
Larval dynamics
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Abundance
References
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Tools

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Special reports

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Summary page | Point data | Common names | Photos

Internet sources

Alien/Invasive Species database | Aquatic Commons | BHL | Cloffa | BOLDSystems | Websites from users | Check FishWatcher | CISTI | Catalog of Fishes ( gen. , sp. ) | DiscoverLife | ECOTOX | Faunafri | Fishtrace | GenBank( genome , nucleotide ) | GloBI | Google Books | Google Scholar | Google | IGFA World Record | MitoFish | Otolith Atlas of Taiwan Fishes | PubMed | Reef Life Survey | Tree of Life | Wikipedia( Go , Search ) | World Records Freshwater Fishing | Zoological Record

Estimates of some properties based on models

Preferred temperature (Ref. 115969 ): 15.2 - 23.3, mean 21.1 (based on 116 cells). Phylogenetic diversity index (Ref. 82805 ):  PD 50 = 0.5039   [Uniqueness, from 0.5 = low to 2.0 = high]. Trophic Level (Ref. 69278 ):  3.5   ±0.46 se; Based on food items. Resilience (Ref. 69278 ):  Medium, minimum population doubling time 1.4 - 4.4 years (tm=2; tmax=15). Vulnerability (Ref. 59153 ):  Low to moderate vulnerability (35 of 100) . Price category (Ref. 80766 ):   Medium .

Entered by Froese, Rainer Modified by Ortañez, Auda Kareen Fish Forum
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