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Overview |
Main identification features
- grey-brown;operculum: dark blotch
- preopercular spur: narrow, pointed
Body elongate, moderately compressed; angle of preopercle a narrow, round-pointed bony spur with 4-8 large spines, width of spur < height of rest of rear border of preopercle; snout and between eyes scaleless; lateral line complete; scales moderately small, rough; lower jaw strongly projecting, tip joins forehead profile; width of top jawbone < width between eyes; 17-21 rakers on first gill arch; dorsal X,12; anal III,7 rays, 2nd spine about same length as 3rd; tail concave; 48-50 lateral line scales, 10-13 vertical rows scales on cheek.
Upper 2/3 of head and body dark greybrown, shading to white belly, throat, chest and under mouth; a large dark blue-grey blotch on upper operculum; dorsal with bluegrey basal band, middle red-brown band, outer bluegrey band, margin red brown; tail dark greybrown, anal pale grey, pelvic dark grey; pectoral translucent yellowish brown.
Size: 37 cm.
Habitat: sand and mud bottoms.
Depth: 1-130 m.
Southern California to the mouth of the Gulf of California to Ecuador.
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); South Temperate (Peruvian Province ); North Temperate (Californian Province &/or Northern Gulf of California).
Depth Range Max: 130 m.
Depth Range Min: 1 m.
Diet: mobile benthic crustacea (shrimps/crabs); bony fishes.
Eastern Pacific Range: Northern limit=33; Southern limit=-9; Western limit=-118; Eastern limit=-78; Latitudinal range=42; Longitudinal range=40.
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: Mud; Sand & gravel; Soft bottom (mud, sand,gravel, beach, estuary & mangrove); Soft bottom only.
Inshore Offshore: Inshore; Inshore Only.
IUCN Red List: Not evaluated / Listed.
Length Max: 37 cm.
Regional Endemism: Continent; Continent only; TEP endemic; Continental TEP endemic; 3 provinces (Cortez + Mexican + Panamic) endemic; All species.
Residency: Resident.
Salinity: Marine; Marine Only.
Water Column Position: Bottom; Bottom only;
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Names |
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Links to other sites |
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References |
- Bortone,., 1977., Revision of the sea basses of the genus Diplectrum (Pisces : Serranidae)., NOAA Tech. Rept.,
\.
- Béarez, P., 1996., Lista de los Peces Marinos del Ecuador Continental., Revista de Biologia Tropical, 44:731-741.
- 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.
- Franke , R. and Acero P., A., 1995., Peces Serranidos del Parque Gorgona, Pacífico Colombiano (Osteichthyes: Serranidae)., Revista de la Academia Colombiana de Ciencias Exactas, Físicas y Naturales, 19:593-600.
- 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.
- Hildebrand, S.F., 1946., A descriptive catalog of the shore fishes of Peru., Bull. U.S. Nat. Mus., 189:1-530.
- Jimenez-Prado, P., Béarez, P., 2004., Peces marinos del Ecuador continental / Marine fishes of continental Ecuador., SIMBIOE/NAZCA/IFEA tomo 1 y 2.
- Lea, R.N. and Rosenblatt, R.H., 2000., Observations on fishes associated with the 1997-1998 El Niño off California., CalCOFL Rep., 41:117-129.
- 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.
- Rosenblatt , R.H. and Johnson, G.D., 1974., Two new species of sea basses of the genus Diplectrum, with a key to the Pacific species., Calif. Fish & Game, 60(4):178-191.
- 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.
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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=Diplectrum&speciesname=maximum ---> http://192.134.151.83/Summary/speciesSummary.php?genusname=Diplectrum&speciesname=maximum http://192.134.151.83/Summary/speciesSummary.php?genusname=Diplectrum&speciesname=maximum ---> https://fishbase.mnhn.fr/Summary/speciesSummary.php?genusname=Diplectrum&speciesname=maximum https://fishbase.mnhn.fr/Summary/speciesSummary.php?genusname=Diplectrum&speciesname=maximum ---> https://fishbase.mnhn.fr/summary/Diplectrum-maximum.html
Diplectrum maximum, Torpedo sand perch
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Teleostei (teleosts) >
Perciformes/Serranoidei
(Groupers) >
Serranidae
(Sea basses: groupers and fairy basslets)
Etymology:
Diplectrum:
Greek, di = two + Greek, plektron = sting, spur (Ref.
45335
)
.
More on author:
Hildebrand
.
Environment: milieu / climate zone / depth range / distribution range
Ecology
Marine; benthopelagic. Tropical; 24°N - 4°N
Eastern Pacific: southern Baja California, Mexico and Colombia.
Size / Weight / Age
Maturity: L
m
 
?
  range ? - ? cm
Max length : 37.0 cm TL male/unsexed; (Ref.
9342
)
Biology and utilization not known (Ref.
9342
).
Life cycle and mating behavior
Maturity
|
Reproduction
|
Spawning
|
Eggs
|
Fecundity
|
Larvae
Heemstra, P.C.
, 1995. Serranidae. Meros, serranos, guasetas, enjambres, baquetas, indios, loros, gallinas, cabrillas, garropas. p. 1565-1613. In W. Fischer, F. Krupp, W. Schneider, C. Sommer, K.E. Carpenter and V. Niem (eds.) Guia FAO para Identification de Especies para lo Fines de la Pesca. Pacifico Centro-Oriental. 3 Vols. FAO, Rome. (Ref.
9342
)
IUCN Red List Status (Ref.
130435
)
Least Concern (LC)
; Date assessed:
01 May 2008
CITES
Not Evaluated
Not Evaluated
Threat to humans
Harmless
Human uses
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Estimates based on models
Phylogenetic diversity index (Ref.
82804
): PD
50
= 0.5002 [Uniqueness, from 0.5 = low to 2.0 = high].
Bayesian length-weight: a=0.01047 (0.00632 - 0.01736), b=3.12 (2.98 - 3.26), in cm total length, based on LWR estimates for this species & Genus-body shape (Ref.
93245
).
Trophic level (Ref.
69278
): 3.8 ±0.6 se; based on size and trophs of closest relatives
Resilience (Ref.
120179
): Low, minimum population doubling time 4.5 - 14 years (Preliminary K or Fecundity.).
Fishing Vulnerability (Ref.
59153
): Low to moderate vulnerability (27 of 100).
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- 20 July 2016
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Updated: 2024-06-04 11:49:14 gmt
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