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Entomacrodus chiostictus (Jordan and Gilbert, 1882)
ROCK BLENNY
Notchfin blenny

Life   Vertebrata   Fish   Blenniidae   Entomacrodus

Entomacrodus chiostictus
© Copyright Gerald Allen, 2006 · 0
Entomacrodus chiostictus

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Overview
Main identification features
  • snout rounded, overhanging
  • d: xiii, deep notch
  • ll: short arch over pectoral
  • lower head - thin bars
  • flank - row square dark blotches
Dorsal rays XIII (rarely XII or XIV), 14-16 (usually 14-15); anal rays II, 15-17 (usually 16); pectoral rays 14; total gill rakers on first arch 14-20 (usually 15-18); cirri present on posterior margin of anterior nostril; eye cirri with 1-10 tips, number increasing with growth; nape with a single cirrus on each side; snout rounded, overhanging; each jaw with more than 100 freely movable teeth; teeth present on front roof of mouth; dorsal fin deeply notched between spinous and soft portions; lateral line is a short arch above pectoral.

Olive on back, white on lower sides; longitudinal row of square to rectangular black blotches along middle of side; small dark spots anterodorsally on body and sides with white flecks; thin brown bars on snout, lips, and cheeks.

Size: reaches 8 cm.

Inhabits intertidal rocky reefs, including tide pools.

Depth: 0-2 m.

Central Gulf of California to Colombia, also all the offshore islands.


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: 2 m.
Depth Range Min: 0 m.
Diet: detritus; benthic microalgae.
Eastern Pacific Range: Northern limit=30; Southern limit=-2; Western limit=-115; Eastern limit=-78; Latitudinal range=32; Longitudinal range=37.
Egg Type: Benthic; Pelagic larva.
Feeding Group: Detritivore; Herbivore.
FishBase Habitat: Reef Associated.
Global Endemism: Tropical Eastern Pacific (TEP) endemic; East Pacific endemic; All species.
Habitat: Corals; Reef associated (reef + edges-water column & soft bottom); Rocks; Reef (rock &/or coral); Reef only.
Inshore Offshore: Inshore; Inshore Only.
IUCN Red List: Not evaluated / Listed.
Length Max: 8 cm.
Regional Endemism: Island (s); Continent; Continent + Island (s); TEP endemic; All species.
Residency: Resident.
Salinity: Marine; Marine Only.
Water Column Position: Bottom; Bottom only;


Names
Scientific source:

Links to other sites

References
  • 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.
  • 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.
  • 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.
  • 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 III., Bull. U.S. Nat. Mus., 47:2183-3136.
  • Jordan , D.S. and Gilbert, C.H., 1882., Description of thirty-three new species of fishes from Mazatlan, Mexico., Proc. U.S. Nat. Mus., 4(1881):338-365.
  • Jordan , and McGregor,., 1898., List of fishes collected at the Revillagigedo archipelago and neighboring islands., Rept. U.S. Fisheries Comm., 24:271-284.
  • 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.
  • McCosker , J.E. and Rosenblatt, R.H., 1975., Fishes collected at Malpelo Island. In Graham, J.B. (ed.) The Biological Investigation of Malpelo Island, Colombia., Smithsonian Contrib. Zool., 176:91-93.
  • Ricker, K.E., 1959., Fishes collected from the Revillagigedo Islands during the 1954-1958 cruises of the "Marijean."., Univ. Brit. Columbia Inst. Fish., Mus. Contrib., 4:10pp.
  • Robertson , D.R. and Allen, G.A., 1996., Zoogeography of the shorefish fauna of Clipperton Atoll., Coral Reefs, 15:121-131.
  • 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.
  • 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.
  • 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.
  • Walker, B. W. and Baldwin, W. J., 1964., Provisional check list of fishes of the Revillagigedo islands., 18 pp.

Acknowledgements

I thank Ashley MacDonald and John Pickering, University of Georgia, for technical support in building this page.


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Entomacrodus chiostictus (Jordan & Gilbert , 1882)

Rock blenny 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.
Entomacrodus chiostictus   AquaMaps   Data sources: GBIF OBIS
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Pictures | Google image Image of Entomacrodus chiostictus (Rock blenny) Entomacrodus chiostictus
Male picture by Allen, G.R.

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

Actinopterygii (ray-finned fishes) > Perciformes (Perch-likes) > Blenniidae (Combtooth blennies) > Salariinae
Etymology: Entomacrodus: Greek, ento = inside + Greek, makros = big + Greek, odous = teeth (Ref. 45335 ) .  More on authors: Jordan & Gilbert .

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

Marine; reef-associated.   Tropical

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

Eastern Central Pacific: Gulf of California to Panama, including offshore islands such as Tres Marias, Revillagigedo, Clipperton, and Cocos.

Size / Weight / Age

Maturity: L m   ?   range ? - ? cm
Max length : 7.5 cm TL male/unsexed; (Ref. 11482 )

Biology     Glossary (e.g. epibenthic)

Adults inhabit shallow, weed-covered rocky reefs, including tide pools (Ref. 11482 ). Oviparous. Eggs are demersal and adhesive (Ref. 205 ), and are attached to the substrate via a filamentous, adhesive pad or pedestal (Ref. 94114 ). Larvae are planktonic, often found in shallow, coastal waters (Ref. 94114 ).

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

Oviparous, distinct pairing (Ref. 205 ).

Main reference Upload your references | References | Coordinator : Williams, Jeffrey T. | 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: 25 May 2007

CITES (Ref. 118484 )

Not Evaluated

CMS (Ref. 116361 )

Not Evaluated

Threat to humans

  Harmless




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Internet sources

Aquatic Commons | BHL | Cloffa | Websites from users | Check FishWatcher | CISTI | Catalog of Fishes ( gen. , sp. ) | DiscoverLife | ECOTOX | Faunafri | Fishtrace | GenBank( genome , nucleotide ) | GloBI | Google Books | Google Scholar | Google | IGFA World Record | MitoFish | Otolith Atlas of Taiwan Fishes | PubMed | Reef Life Survey | Tree of Life | Wikipedia( Go , Search ) | World Records Freshwater Fishing | Zoological Record

Estimates based on models

Preferred temperature (Ref. 115969 ): 22.4 - 29.1, mean 27.9 (based on 154 cells). Phylogenetic diversity index (Ref. 82805 ):  PD 50 = 0.5000   [Uniqueness, from 0.5 = low to 2.0 = high]. Bayesian length-weight: a=0.00741 (0.00337 - 0.01633), b=3.00 (2.81 - 3.19), in cm Total Length, based on LWR estimates for this (Sub)family-body shape (Ref. 93245 ). Trophic Level (Ref. 69278 ):  2.0   ±0.00 se; Based on food items. Resilience (Ref. 120179 ):  High, minimum population doubling time less than 15 months (Preliminary K or Fecundity.). Vulnerability (Ref. 59153 ):  Low vulnerability (14 of 100) .

Entered by Garilao, Cristina V. Modified by Luna, Susan M. Fish Forum
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