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Overview |
Main identification features
- head flattened; snout: plates long
- c: 3 dark bars
- preopercular crest: 2 rear spines
- pectoral long, border concave
- pectoral - black + white blotches
Pectorals long, passing middle of anal base; head flattened, snout plates strongly projecting at front; 2 spines at rear of preopercular crest; free rays of pectoral much shorter than fin; rear margin of pectoral concave; dorsal X spines, 10-12 rays; anal I,10.
First dorsal dusky, dark tips of first 3 spines; second dorsal dark rays, dusky outer margin; tail 3 dark bars; anal clear; pectoral black with white blotches.
Size: 18 cm.
Habitat: sand-mud bottoms.
Depth: 20-60 m.
Southern Baja and the Central 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).
Depth Range Max: 60 m.
Depth Range Min: 20 m.
Diet: mobile benthic worms; mobile benthic gastropods/bivalves; octopus/squid/cuttlefish; mobile benthic crustacea (shrimps/crabs).
Eastern Pacific Range: Northern limit=29; Southern limit=-3; Western limit=-113; Eastern limit=-78; Latitudinal range=32; Longitudinal range=35.
Egg Type: Pelagic; Pelagic larva.
Feeding Group: Carnivore.
FishBase Habitat: Demersal.
Global Endemism: Tropical Eastern Pacific (TEP) endemic; East Pacific endemic; All species.
Habitat: Mud; Soft bottom (mud, sand,gravel, beach, estuary & mangrove); Soft bottom only; Sand & gravel.
Inshore Offshore: Inshore; Inshore Only.
IUCN Red List: Not evaluated / Listed.
Length Max: 18 cm.
Regional Endemism: Continent only; Continent; 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 |
- Béarez, P., 1996., Lista de los Peces Marinos del Ecuador Continental., Revista de Biologia Tropical, 44:731-741.
- 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.
- 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.
- 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.
- 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.
- 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.
- Richardson, J., 1844., Ichthyology.--Part 1. In R. B. Hinds (ed.) The zoology of the voyage of H. M. S. Sulphur, under the command of Captain Sir Edward Belcher, R. N., C. B., F. R. G. S., etc., during the years 1836-42, No. 5., Smith, Elder & Co.:51-70.
- Teague, G. W., 1951., The sea-robins of America a revision of the triglid fishes of the genus Prionotus., Comunicaciones Zoologicas del Museo de Historia Natural de Montevideo, 3:1-59.
- 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=Prionotus&speciesname=birostratus ---> http://192.134.151.83/Summary/speciesSummary.php?genusname=Prionotus&speciesname=birostratus http://192.134.151.83/Summary/speciesSummary.php?genusname=Prionotus&speciesname=birostratus ---> https://fishbase.mnhn.fr/Summary/speciesSummary.php?genusname=Prionotus&speciesname=birostratus https://fishbase.mnhn.fr/Summary/speciesSummary.php?genusname=Prionotus&speciesname=birostratus ---> https://fishbase.mnhn.fr/summary/Prionotus-birostratus.html
Prionotus birostratus, Two-beaked searobin
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Teleostei (teleosts) >
Perciformes/Scorpaenoidei
(Scorpionfishes) >
Triglidae
(Searobins) > Prionotinae
Etymology:
Prionotus:
Greek, prion, -onos = saw + Greek, noton = back (Ref.
45335
)
.
More on author:
Richardson
.
Environment: milieu / climate zone / depth range / distribution range
Ecology
Marine; demersal. Tropical; 28°N - 3°S
Eastern Pacific: Gulf of California to Playas, Ecuador.
Size / Weight / Age
Maturity: L
m
 
?
  range ? - ? cm
Max length : 18.0 cm TL male/unsexed; (Ref.
9352
)
Life cycle and mating behavior
Maturity
|
Reproduction
|
Spawning
|
Eggs
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Fecundity
|
Larvae
Bussing, W.A.
, 1995. Triglidae. Rubios. p. 1643-1648. 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.
9352
)
IUCN Red List Status (Ref.
130435
)
Least Concern (LC)
; Date assessed:
25 May 2007
CITES
Not Evaluated
Not Evaluated
Threat to humans
Harmless
Human uses
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Estimates based on models
Preferred temperature (Ref.
123201
): 15.7 - 26.4, mean 20.9 °C (based on 46 cells).
Phylogenetic diversity index (Ref.
82804
): PD
50
= 0.5000 [Uniqueness, from 0.5 = low to 2.0 = high].
Bayesian length-weight: a=0.00525 (0.00220 - 0.01254), b=3.13 (2.92 - 3.34), in cm total length, based on LWR estimates for this (Sub)family-body shape (Ref.
93245
).
Trophic level (Ref.
69278
): 3.5 ±0.5 se; based on size and trophs of closest relatives
Resilience (Ref.
120179
): High, minimum population doubling time less than 15 months (Preliminary K or Fecundity.).
Fishing Vulnerability (Ref.
59153
): Low vulnerability (10 of 100).
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Updated: 2024-04-18 11:38:52 gmt
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