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Ranzania laevis (Pennant, 1776)
SLENDER SUNFISH
Oblong Sunfish; Ranzania; Short Sunfish; Slender Mola; Trunkfish; Ranzania typus Nardo, 1840; Ostracion laevis Pennant, 1776; Mola slender

Life   Vertebrata   Fish   Molidae   Ranzania

Ranzania laevis
www.fao.org Copyright Michel Lamboeuf · 0
Ranzania laevis
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Overview
Main identification features
  • elongate (length = height x2), compressed
  • blue + white bars
  • dorsal and anal finslong, pointed
  • tail fin very short
Slender mola, Slender sunfish

Elongate, height ~1/3 length; mouth small, in a vertical slit when closed; skin smooth, consists of small, hard, hexagonal plates; dorsal and anal fins long, slender; pectorals long, pointed; tail profile oblique, without rear extension; dorsal 17-19 rays; anal 18-19 rays; pectoral 13 rays.

Dark grey to dark blue above, silvery on sides and belly; head and lower belly with thin undulating black-edged white bars, white spots and vertical streaks on body between dorsal and anal fins.

Size: 100 cm.

Habitat: oceanic.

Depth: 0-200 m.

Circumtropical; possibly throughout our region except most of the 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); Equatorial (Costa Rica to Ecuador + Galapagos, Clipperton, Cocos, Malpelo); South Temperate (Peruvian Province ).
Depth Range Max: 200 m.
Depth Range Min: 0 m.
Diet: zooplankton; pelagic fish larvae.
Eastern Pacific Range: Northern limit=35; Southern limit=-20; Western limit=-121; Eastern limit=-70; Latitudinal range=55; Longitudinal range=51.
Egg Type: Pelagic; Pelagic larva.
Feeding Group: Planktivore.
FishBase Habitat: Pelagic.
Global Endemism: Circumtropical ( Indian + Pacific + Atlantic Oceans); East Pacific + Atlantic (East +/or West); Transisthmian (East Pacific + Atlantic of Central America); East Pacific + all Atlantic (East+West); TEP non-endemic; "Transpacific" (East + Central &/or West Pacific); All species.
Habitat: Water column.
Inshore Offshore: Offshore; Offshore Only.
IUCN Red List: Not evaluated / Listed.
Length Max: 100 cm.
Regional Endemism: Island (s); Continent; Continent + Island (s); Tropical Eastern Pacific (TEP) non-endemic; Eastern Pacific non-endemic; All species.
Residency: Resident.
Salinity: Marine; Marine Only.
Water Column Position: Mid Water; Near Surface; Surface; Water column only;


Names
Scientific source:

Links to other sites

References
  • 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.
  • Briggs, J.C., 1960., Fishes of worldwide (circumtropical) distribution., Copeia, 1960:171-180.
  • Castro-Aguirre, J.L. and Balart, E.F., 2002., La ictiofauna de las islas Revillagigedos y sus relaciones zoogeograficas, con comentarios acerca de su origen y evolucion. En: Lozano-Vilano, M. L. (Ed.). Libro Jubilar en Honor al Dr. Salvador Contreras Balderas., Universidad Autonoma de Nuevo León:153-170.
  • Chirichigno, N., 1998., Clave para identificar los peces marinos del Peru., Instituto del Mar del Peru, Informe., 44(2 Ed.):1-387.
  • 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 III. Vertebrados - Parte 2., FAO3:1201-1813.
  • Grove , J.S. and Lavenberg, R. J., 1997., The fishes of the Galápagos islands., Stanford University Press:863 pp.
  • Jimenez-Prado, P., Béarez, P., 2004., Peces marinos del Ecuador continental / Marine fishes of continental Ecuador., SIMBIOE/NAZCA/IFEA tomo 1 y 2.
  • Lopez , M. I. and Bussing, W. A., 1982., Lista provisional de los peces marinos de la Costa Rica., Revista de Biologia Tropical, 30(1):5-26.
  • 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.
  • Pennant, T., 1776., British zoology. 4th Edition. London., British Zool. 4th ed.,.
  • 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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Following modified from Australian Faunal Directory
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Following modified from FishBase
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http://www.fishbase.org/Summary/speciesSummary.php?genusname=Ranzania&speciesname=laevis ---> http://192.134.151.83/Summary/speciesSummary.php?genusname=Ranzania&speciesname=laevis
http://192.134.151.83/Summary/speciesSummary.php?genusname=Ranzania&speciesname=laevis ---> https://fishbase.mnhn.fr/Summary/speciesSummary.php?genusname=Ranzania&speciesname=laevis
https://fishbase.mnhn.fr/Summary/speciesSummary.php?genusname=Ranzania&speciesname=laevis ---> https://fishbase.mnhn.fr/summary/Ranzania-laevis.html
Ranzania laevis, Slender sunfish
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Common name (e.g. trout)

Genus + Species (e.g. Gadus morhua)

Ranzania laevis ( Pennant , 1776 )

Slender sunfish Add your observation in Fish Watcher
Native range | All suitable habitat | Point map | Year 2050
This map was computer-generated and has not yet been reviewed.
Ranzania laevis   AquaMaps   Data sources: GBIF OBIS
Upload your photos  and  videos
Pictures | Videos | Google image Image of Ranzania laevis (Slender sunfish) Ranzania laevis
Picture by Jawad, L.A.

Classification / Names Common names | Synonyms | Catalog of Fishes( genus , species ) | ITIS | CoL | WoRMS | Cloffa

Teleostei (teleosts) > Tetraodontiformes (Puffers and filefishes) > Molidae (Molas or Ocean Sunfishes)
Etymology: Ranzania: Because of Camillo Ranzani, 1775-1841, catholic priest and naturalist (Ref. 45335 ) .

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

Marine; pelagic-oceanic; depth range 1 - 140 m (Ref. 58302 ). Subtropical; 71°N - 55°S, 180°W - 180°E

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

Cosmopolitan. Western Atlantic: Florida (USA), Martinique, Venezuela (Ref. 51183 ), and Brazil. Eastern Atlantic: Madeira to Scandinavia (Ref. 4711 ); Dakar, Senegambie, and Sierra Leone (Ref. 6952 ); South Africa. Eastern Pacific: central California, USA to Chile; rare north of Mexico (Ref. 2850 ). Indian Ocean: Madagascar (Ref. 33390 ), Mauritius (Ref. 58078 ), Reunion (Ref. 53568 ), Iran (Ref. 86583 ), Australia (49596). West Pacific: Japan (Ref. 559 ), China (Ref. 57879 ), Taiwan (Ref. 12711 ), New Zealand (Ref. 5755 ).

Size / Weight / Age

Maturity: L m   ?   range ? - ? cm
Max length : 100.0 cm TL male/unsexed; (Ref. 26340 )

Short description Morphology | Morphometrics

Dorsal spines (total): 0; Dorsal soft rays (total): 18; Anal spines : 0; Anal soft rays : 20. Caudal fin present in postlarvae but resorbed during metamorphosis and replaced by a clavus (Ref. 4424 ). Body elongated, Mouth slit vertical (Ref. 35388 ).

Biology     Glossary (e.g. epibenthic)

Oceanic (Ref. 2850 ), epipelagic (Ref. 2340 ), and generally solitary (Ref. 9317 ). Feeds on planktonic crustaceans (Ref. 4424 ).

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

Main reference Upload your references | References | Coordinator | Collaborators

Tortonese, E. , 1990. Molidae. p. 1077-1079. In J.C. Quero, J.C. Hureau, C. Karrer, A. Post and L. Saldanha (eds.) Check-list of the fishes of the eastern tropical Atlantic (CLOFETA). JNICT, Lisbon; SEI, Paris; and UNESCO, Paris. Vol. 2. (Ref. 6952 )

IUCN Red List Status (Ref. 130435 )

  Least Concern (LC)  ; Date assessed: 07 June 2011

CITES

Not Evaluated

CMS (Ref. 116361 )

Not Evaluated

Threat to humans

  Harmless





Human uses

FAO - Publication: search | FishSource |

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Summary page | Point data | Common names | Photos

Internet sources

AFORO (otoliths) | Aquatic Commons | BHL | Cloffa | BOLDSystems | Websites from users | Check FishWatcher | CISTI | Catalog of Fishes : genus , species | DiscoverLife | ECOTOX | FAO - Publication: search | Faunafri | Fishipedia | Fishtrace | GenBank: genome , nucleotide | GloBI | Google Books | Google Scholar | Google | IGFA World Record | MitoFish | National databases | Otolith Atlas of Taiwan Fishes | PubMed | Reef Life Survey | Socotra Atlas | Tree of Life | Wikipedia: Go , Search | World Records Freshwater Fishing | Zoological Record

Estimates based on models

Preferred temperature (Ref. 123201 ): 14.7 - 27.9, mean 23.9 °C (based on 1566 cells). Phylogenetic diversity index (Ref. 82804 ):  PD 50 = 1.0312   [Uniqueness, from 0.5 = low to 2.0 = high]. Bayesian length-weight: a=0.02455 (0.01018 - 0.05918), b=3.02 (2.81 - 3.23), in cm total length, based on LWR estimates for this (Sub)family-body shape (Ref. 93245 ). Trophic level (Ref. 69278 ):  3.7   ±0.47 se; based on food items. Fishing Vulnerability (Ref. 59153 ):  High vulnerability (60 of 100).

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