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Overview | |
Main identification features
Dorsal rays VII to IX+I or II,21-23, spinous dorsal well separated from soft dorsal fin; anal rays II, 17-19, long base, spine small; pectoral rays 17-18; pored lateral-line scales 52-57; gill rakers on lower limb of first arch 7-10, total 11-15; mouth oblique, lower jaw projecting beyond upper jaw; no pores or barbel on chin; a pair of large canines at tip of upper jaw; margin of preopercle weakly serrated; pectoral fins long, reaching beyond tips of depressed pelvic fins; caudal fin bluntly pointed to straight; soft dorsal fin and anal fins with well developed scaly sheath.
Color silver, bluish grey on upper back; tip of lower jaw and opercular lining black; pectoral axil dark; fins pale to yellowish.
Size: to 35 cm.
Inhabits coastal waters and lower parts of estuaries.
Depth: 4-50 m.
Southern Baja California, and the eastern Gulf of California to Peru.
Attributes
Abundance: Common.
Cites: Not listed.
Climate Zone: Northern Subtropical (Cortez Province + Sinaloan Gap); Northern Tropical (Mexican Province to Nicaragua + Revillagigedos); Equatorial (Costa Rica to Ecuador + Galapagos, Clipperton, Cocos, Malpelo); North Temperate (Californian Province &/or Northern Gulf of California).
Depth Range Max: 50 m.
Depth Range Min: 4 m.
Diet: octopus/squid/cuttlefish; mobile benthic crustacea (shrimps/crabs); bony fishes.
Eastern Pacific Range: Northern limit=32; Southern limit=-4; Western limit=-115; Eastern limit=-78; Latitudinal range=36; Longitudinal range=37.
Egg Type: Pelagic; Pelagic larva.
Feeding Group: Carnivore.
FishBase Habitat: Bentho-Pelagic.
Global Endemism: Tropical Eastern Pacific (TEP) endemic; East Pacific endemic; All species.
Habitat: Estuary; Mud; Sand & gravel; Soft bottom (mud, sand,gravel, beach, estuary & mangrove); Water column.
Inshore Offshore: Inshore; Inshore Only.
IUCN Red List: Not evaluated / Listed.
Length Max: 35 cm.
Regional Endemism: Continent; Continent only; TEP endemic; Continental TEP endemic; 3 provinces (Cortez + Mexican + Panamic) endemic; All species.
Residency: Resident.
Salinity: Brackish; Non Marine.
Water Column Position: Mid Water; Near Bottom; Bottom; Bottom + water column;
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Names | |
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Links to other sites | |
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References |
- Béarez, P., 1996., Lista de los Peces Marinos del Ecuador Continental., Revista de Biologia Tropical, 44:731-741.
- Castri-Aguirre, J.L., Espinoza-Pérez, H. and Schmitter-Soto, J.J., 2002., Lista sitemática, biogeográfica y ecológica de la ictiofauna estuarino lagunar y vicaria de México. En: Lozano-Vilano, M. L. (Ed.). Libro Jubilar en Honor al Dr. Salvador Contreras Balderas., Universidad Autonoma de Nuevo León:117-142.
- Castro-Aguirre, J.L., 1999., Ictiofauna estuarino-lagunar y vicaria de México., Editorial Limusa S.A. de C.V.: 1-629pp.
- 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.
- 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 Bollman, C.H., 1890., Descriptions of new species of fishes collected at the Galapagos Islands and along the coast of the United States of Colombia, 1887-88, by the U.S. Fish Commission steamer 'Albatross'., Proc. U.S. Nat. Mus., 12:149-183.
- 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 , D.S. and Gilbert, C.H., 1882., Descriptions of nineteen new species of fishes from the Bay of Panama., Bull. U.S. Fish Comm., 1:306-335.
- Jordan , D.S. and Gilbert, C.H., 1882., List of Fishes now in the Museum of Yale College, Collected by Prof. Frank H. Bradley, at Panama, with Descriptions of Three New Species., Proc. U.S. Nat. Mus., 5:620-632.
- Jordan , D.S. and Gilbert, C.H., 1883., List of the fishes now in the museum of Yale College, collected by Prof. Frank H. Bradley at panama, with descriptions of three new species., Proc. U.S. Nat. Mus., 5(1882):620-632.
- Kendall , W.C. and Radcliffe, L., 1912., The shore fishes. Reports on the scientific results of the expedition to the eastern tropical Pacific, ... by the U.S. Fish Commission steamer ALBATROSS, from October, 1904, to March, 1905, Lieut. Commander L.M. Garret, U.S.N., Commanding. XXV., Mem. Mus. Comp. Zool., 35(3):75-171.
- 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.
- 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.
- Meek , S.E. and Hildebrand, S.F., 1925., The marine fishes of Panama. Part II., Field Mus. Nat. Hist., Zool. Ser. Publ., XV:331-707.
- Phillips, P. C., 1981., Annotated Checklist of Fishes at Jiquilisco Bay, El Salvador., Revista de Biologia Tropical, 29:45-58.
- Rubio , R. E. A. and Estupiñan, F., 1990., Ictiofauna del Parque Nacional Natural Sanquianga, un Analisis de su Estructura y Perspectivas para su Manejo., Memorias del VII Seminario Nacional de las Ciencias y Tecnologías del Mar. Comisión Colombiana de Oceanografía. Bogota, Colombia., :660-670.
- Rubio, E.A., 1988., Estudio taxonomico de la ictiofauna acompañante del camaron en areas costeras del Pacifico de Colombia., Memorias del VI Seminario Nacional de las Ciencias del Mar. Comisión Colombiana de Oceanografía. Bogota, Colombia., :169-183.
- Rubio, E.A., 1990., Sistematica y Abundancia de los Peces de la Familia Sciaenidae (Pisces: Perciformes) en areas Aledañas a la Bahia de Buenaventura., Memorias del VII Seminario Nacional de las Ciencias y Tecnologías del Mar. Comisión Colombiana de Oceanografía. Bogota, Colombia., :413-421.
- 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.
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Acknowledgements | |
I thank Ashley MacDonald and John Pickering, University of Georgia, for technical support in building this page.
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http://www.fishbase.org/Summary/speciesSummary.php?genusname=Isopisthus&speciesname=remifer ---> http://192.134.151.83/Summary/speciesSummary.php?genusname=Isopisthus&speciesname=remifer
http://192.134.151.83/Summary/speciesSummary.php?genusname=Isopisthus&speciesname=remifer ---> https://fishbase.mnhn.fr/Summary/speciesSummary.php?genusname=Isopisthus&speciesname=remifer
https://fishbase.mnhn.fr/Summary/speciesSummary.php?genusname=Isopisthus&speciesname=remifer ---> https://fishbase.mnhn.fr/summary/Isopisthus-remifer.html
Isopisthus remifer, Silver weakfish : fisheries
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Isopisthus remifer
Picture by
Robertson, R.
Teleostei (teleosts) >
Eupercaria/misc
(Various families in series Eupercaria) >
Sciaenidae
(Drums or croakers)
Etymology:
Isopisthus:
Greek, isos = equal + Greek, opisthe = behind (Ref.
45335
)
.
More on authors:
Jordan
&
Gilbert
.
Environment: milieu / climate zone / depth range / distribution range
Ecology
Marine; brackish; benthopelagic; depth range 10 - 60 m (Ref.
91172
). Tropical; 30°N - 14°S, 115°W - 75°W
Eastern Pacific: Gulf of California and southern Baja California, Mexico to Peru.
Size / Weight / Age
Maturity: L
m
?
range ? - ? cm
Max length : 36.0 cm TL male/unsexed; (Ref.
55763
); common length : 25.0 cm TL male/unsexed; (Ref.
55763
)
Inhabits coastal waters and lower estuarine regions (Ref.
9118
). Feeds on fishes, shrimps and cephalopods (Ref.
9118
).
Life cycle and mating behavior
Maturity
|
Reproduction
|
Spawning
|
Eggs
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Fecundity
|
Larvae
Chao, L.N.
, 1995. Sciaenidae. Corvinas, barbiches, bombaches, corvinatas, corvinetas, corvinillas, lambes, pescadillas, roncachos, verrugatos. p. 1427-1518. In W. Fischer, F. Krupp, W. Schneider, C. Sommer, K.E. Carpenter and V. Niem (eds.) Guia FAO para identificacion de especies para los fines de la pesca. Pacifico Centro-oriental. 3 volumes. 1813 p. (Ref.
9118
)
IUCN Red List Status (Ref.
130435
)
Least Concern (LC)
; Date assessed:
21 February 2020
CITES
Not Evaluated
Not Evaluated
Threat to humans
Harmless
Human uses
Fisheries: minor commercial
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Estimates based on models
Preferred temperature (Ref.
123201
): 22.8 - 28.8, mean 25.9 °C (based on 46 cells).
Phylogenetic diversity index (Ref.
82804
): PD
50
= 0.7500 [Uniqueness, from 0.5 = low to 2.0 = high].
Bayesian length-weight: a=0.00692 (0.00431 - 0.01111), b=3.08 (2.95 - 3.21), in cm total length, based on LWR estimates for this species & (Sub)family-body (Ref.
93245
).
Trophic level (Ref.
69278
): 4.2 ±0.62 se; based on food items.
Resilience (Ref.
120179
): High, minimum population doubling time less than 15 months (Preliminary K or Fecundity.).
Fishing Vulnerability (Ref.
59153
): Low to moderate vulnerability (26 of 100).
Price category (Ref.
80766
):
Medium
.
Nutrients (Ref.
124155
): Calcium = 106 [61, 198] mg/100g; Iron = 0.815 [0.406, 1.521] mg/100g; Protein = 18.8 [17.6, 20.0] %; Omega3 = 0.255 [0.119, 0.467] g/100g; Selenium = 51.4 [26.2, 100.8] μg/100g; VitaminA = 33.4 [11.3, 107.3] μg/100g; Zinc = 1.29 [0.87, 1.89] mg/100g (wet weight);
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on line
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Updated: 2024-06-19 18:59:14 gmt
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