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Rypticus bicolor Valenciennes, 1846
MOTTLED SOAPFISH
Life   Vertebrata   Fish   Serranidae   Rypticus

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Rypticus bicolor
© Copyright Roger Steene, 2006 · 0
Rypticus bicolor

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Rypticus bicolor
© Copyright Gerald Allen, 2006 · 0
Rypticus bicolor
español

Overview
Main identification features
  • dark + dispersed pale spots
  • d: iii
  • chin pointed, tip fleshy
Dorsal rays III (rarely II), 23-26 (usually 24); anal rays 16-18 (usually 17); pectoral rays 14-17 (usually 16); total rakers on first gill arch 7-9 (usually 8); preopercle and opercle each with 2-3 spines; a prominently projecting lower jaw with fleshy knob at front; pores along ventral surface of lower jaw and margin of preopercle numerous, small, and occurring in patches (in specimens in excess of 65 mm SL).

Body brown, with numerous small cream or tan spots; small (under about 3 cm) juveniles with three narrow stripes behind eye extending posteriorly on side of body; 4-5 cm specimens with ocelli-type spots on side.

Size: to 30 cm.

Inhabits rocky reefs sheltering in caves and crevices, but also encountered in the open.

Depth: 0-70 m.

Southern Baja and the Gulf oCalifornia to Peru, including the Galapagos, Clipperton, Cocos and Malpelo.

Closely related to R. saponaceus (Bloch & Schneider) from the western Atlantic.


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: 70 m.
Depth Range Min: 0 m.
Diet: bony fishes.
Eastern Pacific Range: Northern limit=31; Southern limit=-6; Western limit=-114; Eastern limit=-78; Latitudinal range=37; Longitudinal range=36.
Egg Type: Pelagic; Pelagic larva.
Feeding Group: Carnivore.
FishBase Habitat: Reef Associated.
Global Endemism: Tropical Eastern Pacific (TEP) endemic; East Pacific endemic; All species.
Habitat: Estuary; Mud; Reef associated (reef + edges-water column & soft bottom); Rocks; Sand & gravel; Soft bottom (mud, sand,gravel, beach, estuary & mangrove); Reef (rock &/or coral); Reef and soft bottom.
Inshore Offshore: Inshore; Inshore Only.
IUCN Red List: Not evaluated / Listed.
Length Max: 30 cm.
Regional Endemism: Island (s); Continent; Continent + Island (s); TEP endemic; All species.
Residency: Resident.
Salinity: Brackish; Marine.
Water Column Position: Bottom; Bottom only;


Names
Scientific source:

Links to other sites

References
  • Aburto-Oropeza , O. and Balart, E. F., 2001., Community structure of reef fish in several habitats of a rocky reef in the Gulf of California., Marine Ecology, 22:283-305.
  • Allen , G.R. and Robertson, D.R., 1997., An Annotated Checklist of the fishes of Clipperton Atoll, Tropical Eastern Pacific., Revista de Biologia Tropical, 45:813-843.
  • Balart , E. F. , Castro-Aguirre , J. L. and De Lachica-Bonilla, F., 1997., Análisis comparativo de las comunidades ícticas de fondos blandos y someros de la Bahía de La Paz, B.C. S.. En Urbán Ramírez, J. y M. Ramírez Rodríguez (Eds.). La Bahía de La Paz investigación y conservación., Universidad Autónoma de Baja California Sur:177-188.
  • 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.
  • Béarez, P., 1996., Lista de los Peces Marinos del Ecuador Continental., Revista de Biologia Tropical, 44:731-741.
  • Castro-Aguirre , J. L. and Balart, E. F., 1997., Contribución al conocimiento de la ictiofauna de fondos blandos y someros de la Ensenada de La Paz y Bahía de La Paz, B.C.S.. En Urbán Ramírez, J. y M. Ramírez Rodríguez (Eds.). La Bahía de La Paz investigación y conservación., Universidad Autónoma de Baja California Sur:139-150.
  • Edgar, G.J. Banks, S., Fariña, J.M., Calvopiña, M. and Martínez, C., 2004., Regional biogeography of shallow reef fish and macro-invertebrate communities in the Galapagos archipelago., Journal of Biogeography, 31:1107-1124.
  • 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.
  • Fowler, H.W., 1944., Results of the Fifth George Vanderbilt Expedition (1941) (Bahamas, Caribbean sea, Panama, Galapagos Archipelago and Mexican Pacific Islands). The Fishes., Acad. Nat. Sci. Philadel., Monographs, 6:57-529.
  • 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.
  • Gill, T.N., 1863., Catalogue of the fishes of Lower California, in the Smithsonian Institution, collected by Mr. J. Xantus. Part 4., Proc. Acad. Nat. Sci. Phila., 15:80-88.
  • Humann, P., 1993., Reef Fish Identification: Galapagos., New World Publishing:192pp.
  • 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 Evermann, B.W., 1896., 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 I., Bull. U.S. Nat. Mus., 47:1-1240.
  • Jordan, D.S., 1895., The fishes of Sinaloa., Proceedings of the California Academy of Sciences (Series 2), 5:377-514.
  • 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.
  • McCarthy, L.V., 1979., Eastern Pacific Rypticus (Pisces: Grammistidae)., Copeia, 1979(3):393-400.
  • 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.
  • 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.
  • Passos Guimarães, R. Z., 1999., Revision, phylogeny and comments on biogeography of soapfishes of the genus Rypticus (Teleostei:Serranidae)., Bull. Mar. Sci., 65:337-379.
  • Pérez-Mellado, J., Findley, LL. F., 1985., Evaluación de la ictiofauna acompañante del camarón capturado en las costas de Sonora y norte de Sinaloa, México. In Yáñez-Arancibia, A. (Ed.) Recursos pesqueros potenciales de México: La pesca acompañante del camarón., Universidad Nacional Autónoma de México: Cap. 5:201-254.
  • Ricker, K.E., 1959., Mexican shore and pelagic fishes collected from Acapulco to Cape San Lucas during the 1957 cruise of the "Marijean"., Univ. Brit. Columbia Inst. Fish., Mus. Contrib., 3:18pp.
  • Robertson , D.R. and Allen, G.A., 1996., Zoogeography of the shorefish fauna of Clipperton Atoll., Coral Reefs, 15:121-131.
  • Rubio, E.A., 1986., Notas sobre la ictiofauna de la Isla de Gorgona, Colombia., Boletin Ecotropica. Univ. Bog. Jorge Tadeo Lozano, 13:86-112.
  • 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.
  • Snodgrass , R. E. and Heller, E., 1905., Papers from the Hopkins Stanford Galapagos expedition, 1898-1899. XVII. Shorefishes of the Revillagigedo, Clipperton, Cocos and Galapagos Island., Proc. Wash. Acad. Sci., 6:333-427.
  • Sánchez Ortíz , C. , Arreola Robles , J. L. , Aburto Oropeza , O. and Cortés Hernández, M., 1997., Peces de arrecife en la región de La Paz, B.C.S.. En Urbán Ramírez, J. y M. Ramírez Rodríguez (Eds.). La Bahía de La Paz investigación y conservación., Universidad Autónoma de Baja California Sur:189-200.
  • 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.
  • Valenciennes, A., 1846., Table + Ichthyology Pls. 1-10. In: A. du Petit-Thouars. Atlas de Zoologie. Voyage autour du monde sur la frégate "Vénus," pendant les années 1836-1839., Voyage Venus,.
  • 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.
  • 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)

Rypticus bicolor Valenciennes , 1846

Mottled soapfish Add your observation in Fish Watcher
Native range | All suitable habitat | Point map | Year 2100
This map was computer-generated and has not yet been reviewed.
Rypticus bicolor   AquaMaps   Data sources: GBIF OBIS
Upload your photos  and  videos
Pictures | Videos |     Google image Image of Rypticus bicolor (Mottled soapfish) Rypticus bicolor
Picture by Guimarães, R. Z. P.

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

Actinopterygii (ray-finned fishes) > Perciformes (Perch-likes) > Serranidae (Sea basses: groupers and fairy basslets) > Grammistinae
Etymology: Rypticus: Greek, ryptikos, -e, -on = easy to wash (Ref. 45335 ) .  More on author: Valenciennes .

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

Marine; reef-associated; depth range 3 - 68 m (Ref. 5227 ).   Tropical

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

Eastern Pacific: Baja California to Peru, including the Galapagos and other offshore islands.

Size / Weight / Age

Maturity: L m   ?   range ? - ? cm
Max length : 28.0 cm TL male/unsexed; (Ref. 5227 )

Short description Morphology | Morphometrics

Dorsal spines (total): 3; Dorsal soft rays (total): 23-26; Anal soft rays : 16 - 18; Vertebrae : 24. Sides of body, excluding cheeks, mottled with cream to pale-brown blotches on dark background, reaching onto bases of median fins; blotches are poorly-defined and often coalescing. Body and head, excluding lips and maxillary, with embedded scales. Dorsal spines 3 (rarely 2). Lower jaw projecting, with prominent fleshy protuberance. Numerous, small pores, in patches, along ventral surface of lower jaw and on the free-edge of preopercle in > 6.5 cm SL specimens (Ref. 40934 ).

Biology     Glossary (e.g. epibenthic)

Lives in rocky reefs, sheltering in caves and crevices but also encountered in the open (Ref. 11482 ). Lies motionless, often on its side, hidden in dark recesses. Actively hunts at night, preying on small fish (Ref. 5227 ).

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

Main reference Upload your references | References | Coordinator : Heemstra, Phillip C. | Collaborators

Allen, G.R. and D.R. Robertson , 1994. Fishes of the tropical eastern Pacific. University of Hawaii Press, Honolulu. 332 p. (Ref. 11482 )

IUCN Red List Status (Ref. 120744 )

  Least Concern (LC)  ; Date assessed: 01 May 2008

CITES (Ref. 118484 )

Not Evaluated

CMS (Ref. 116361 )

Not Evaluated

Threat to humans

  Harmless




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Estimates based on models

Preferred temperature (Ref. 115969 ): 20.6 - 28.9, mean 25.9 (based on 82 cells). Phylogenetic diversity index (Ref. 82805 ):  PD 50 = 0.5010   [Uniqueness, from 0.5 = low to 2.0 = high]. Bayesian length-weight: a=0.01698 (0.00649 - 0.04441), b=3.01 (2.78 - 3.24), in cm Total Length, based on LWR estimates for this (Sub)family-body shape (Ref. 93245 ). Trophic Level (Ref. 69278 ):  4.0   ±0.7 se; Based on size and trophs of closest relatives Resilience (Ref. 120179 ):  Medium, minimum population doubling time 1.4 - 4.4 years (Preliminary K or Fecundity.). Vulnerability (Ref. 59153 ):  Low to moderate vulnerability (31 of 100) .

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