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Life Cycle ( англиски )

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Adults move downstream to their prime breeding just above the estuary; males select crevices and caves formed by rocks on the stream bed where the females will lay their eggs; males guard nests until larvae hatch a day later (Ref. 44091).
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Migration ( англиски )

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Amphidromous. Refers to fishes that regularly migrate between freshwater and the sea (in both directions), but not for the purpose of breeding, as in anadromous and catadromous species. Sub-division of diadromous. Migrations should be cyclical and predictable and cover more than 100 km.Characteristic elements in amphidromy are: reproduction in fresh water, passage to sea by newly hatched larvae, a period of feeding and growing at sea usually a few months long, return to fresh water of well-grown juveniles, a further period of feeding and growing in fresh water, followed by reproduction there (Ref. 82692).
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Trophic Strategy ( англиски )

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Is an opportunistic feeder, takes aquatic and occasionally benthic terrestrial invertebrates when these are available (Ref. 7416). Occurs in streams, rivers and estuaries.
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Biology ( англиски )

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Benthic (Ref. 58302). Adults occur from lowland streams and rivers to relatively swift streams at elevations of 1000 m. They often burrow into the substrate with only the eyes showing; feed on filamentous algae, worms, crustaceans, various insects and insects larvae, and suspended food particles; has been long favored as food by the early Hawaiians (Ref. 44091). Larvae develop and metamorphose in the marine zooplankton and as juveniles, about 161 days old, recruit to freshwater streams, where they undergo rapid growth and morphological changes necessary for upstream migration to the adult habitat (Ref. 51037).
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Awaous guamensis ( каталонски; валенсиски )

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Awaous guamensis és una espècie de peix de la família dels gòbids i de l'ordre dels perciformes.

Morfologia

Els mascles poden assolir els 24,5 cm de longitud total.[3][4]

Distribució geogràfica

Es troba des de les Illes Mariannes i les Hawaii fins a Vanuatu, Nova Caledònia i Fidji.[3]

Referències

  1. Cuvier, G. & A. Valenciennes 1837. Histoire naturelle des poissons. Tome douzième. Suite du livre quatorzième. Gobioïdes. Livre quinzième. Acanthoptérygiens à pectorales pédiculées. Hist. Nat. Poiss. v. 12: i-xxiv + 1-507 + 1 p., Pls. 344-368.
  2. «Awaous guamensis». Catalogue of Life. (anglès) (anglès)
  3. 3,0 3,1 FishBase (anglès)
  4. Watson, R.E. 1992. A review of the gobiid fish genus Awaous from insular streams of the Pacific Plate. Ichthyol. Explor. Freshwat. 3(2):161-176.

Bibliografia

  • Birdsong, R. S., Murdy, E. O. i Pezold, F. L., 1988. A study of the vertebral column and median fin osteology in gobioid fishes with comments on gobioid relationships., Bull. Mar. Sci., 42:174-214.
  • Eschmeyer, William N., ed. 1998. Catalog of Fishes. Special Publication of the Center for Biodiversity Research and Information, núm. 1, vol. 1-3. California Academy of Sciences. San Francisco, Califòrnia, Estats Units. 2905. ISBN 0-940228-47-5.
  • Fenner, Robert M.: The Conscientious Marine Aquarist. Neptune City, Nova Jersey, Estats Units: T.F.H. Publications, 2001.
  • Helfman, G., B. Collette i D. Facey: The diversity of fishes. Blackwell Science, Malden, Massachusetts (Estats Units), 1997.
  • Hoese, D.F. 1986: Gobiidae. p. 774-807. A M.M. Smith i P.C. Heemstra (eds.) Smiths' sea fishes. Springer-Verlag, Berlín, Alemanya.
  • Larson, H.K. i E.O. Murdy 2001. Gobiidae. Gobies. p. 3578-3603. A K.E. Carpenter i V. Niem (eds.) FAO species identification guide for fishery purposes. The living marine resources of the Western Central Pacific. Vol. 6. Bony fishes part 4 (Labridae to Latimeriidae). FAO, Roma, Itàlia.
  • Maugé, L.A. 1986. Gobiidae. p. 358-388. A J. Daget, J.-P. Gosse i D.F.E. Thys van den Audenaerde (eds.) Check-list of the freshwater fishes of Africa (CLOFFA). ISNB, Brussel·les; MRAC, Tervuren, Flandes; i ORSTOM, París, França. Vol. 2.
  • Moyle, P. i J. Cech.: Fishes: An Introduction to Ichthyology, 4a edició, Upper Saddle River, Nova Jersey, Estats Units: Prentice-Hall. Any 2000.
  • Nelson, J.: Fishes of the World, 3a edició. Nova York, Estats Units: John Wiley and Sons. Any 1994.
  • Watson, R.E. 1996. Revision of the subgenus Awaous (Chonophorus) (Teleostei: Gobiidae). Ichthyol. Explor. Freshwat. 7(1)1:18.
  • Wheeler, A.: The World Encyclopedia of Fishes, 2a edició, Londres: Macdonald. Any 1985.


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Awaous guamensis: Brief Summary ( каталонски; валенсиски )

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Awaous guamensis és una espècie de peix de la família dels gòbids i de l'ordre dels perciformes.

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Awaous guamensis ( англиски )

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Awaous guamensis is a species of goby native to the Pacific islands from the Marianas to Vanuatu, New Caledonia and Fiji where it can be found in fresh, brackish and marine waters. Recent work based upon morphological and genetic differences has recognized Hawaiian populations of Awaous as being distinct from Awaous guamensis.[2] Consequently, Hawaiian Awaous are now recognized as a distinct species Awaous stamineus.[3][4]

Description

Males can reach a length of 24.5 cm (9.6 in) SL while females only reach 16.5 cm (6.5 in).[5] The body has white streaks with speckles and a dark olive color.[6]

Ecology

The species is found in slow-moving waters especially on Kaua‘i during their annual spawning run to the stream mouth.[7] ‘O‘opu nakea can swim upstream between 10 and 200 feet in strong currents.[8] They are omnivores, and their diet in one study was found to consist of 84% filamentous algae and 16% of chironomids (non-biting midges) and other animal food.[7]

Eggs are laid downstream where the males and females guard the nest. The males make the nest and attract the females who then lay one clutch per year.[9]

Human use

‘O‘opu nakea are eaten cooked; a common way of preparation is by salting them for 12 hours, then wrapping them in ti leaves and placing them on hot coals.[6]

References

  1. ^ Boseto, D. (2012). "Awaous guamensis". IUCN Red List of Threatened Species. 2012: e.T192948A2180615. doi:10.2305/IUCN.UK.2012.RLTS.T192948A2180615.en. Retrieved 20 November 2021.
  2. ^ Lindstrom, Daniel P.; Blum, Michael J.; Walter, Ryan P.; Gagne, Roderick B.; Gilliam, James F. (2012). "Molecular and morphological evidence of distinct evolutionary lineages of Awaous guamensis in Hawai'i and Guam". Copeia. 2012 (2): 293–300. doi:10.1643/CI-11-027. S2CID 86528981.
  3. ^ Froese, Rainer; Pauly, Daniel (eds.) (2014). "Awaous stamineus" in FishBase. November 2014 version.
  4. ^ Eschmeyer, W. N.; R. Fricke & R. van der Laan, eds. (2 July 2018). "Catalog of Fishes". California Academy of Sciences. Retrieved 31 July 2018.
  5. ^ Froese, Rainer; Pauly, Daniel (eds.) (2014). "Awaous guamensis" in FishBase. November 2014 version.
  6. ^ a b Titcomb, Margaret; Pukui, Mary Kawena (1951). "Native Use Of Fish In Hawaii". The Journal of the Polynesian Society. 60: 1–146.
  7. ^ a b Brasher, A. M. (1996). Monitoring the distribution and abundance of native gobies ('o'opu) in Waikolu and Pelekunu Streams on the island of Moloka'i (Report). Cooperative National Park Resources Studies Unit, Department of Zoology, University of California at Davis.
  8. ^ Oki, D.S.; Wolff, R.H.; Perreault, J.A. (2006). Effects of Surface-Water Diversion and Ground-Water Withdrawal on Streamflow and Habitat, Punaluu Stream, Oahu, Hawaii (PDF) (Report). U.S. Geological Survey, Scientific Investigations Report. USGS.
  9. ^ H. T.Harvey and Associates, Honolulu, Hawai‘i (2015). "'O'opu nākea". Hawai'i's State Wildlife Action Plan (PDF). Hawai‘i Department of Land and Natural Resources.{{cite book}}: CS1 maint: multiple names: authors list (link)

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Awaous guamensis: Brief Summary ( англиски )

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Awaous guamensis is a species of goby native to the Pacific islands from the Marianas to Vanuatu, New Caledonia and Fiji where it can be found in fresh, brackish and marine waters. Recent work based upon morphological and genetic differences has recognized Hawaiian populations of Awaous as being distinct from Awaous guamensis. Consequently, Hawaiian Awaous are now recognized as a distinct species Awaous stamineus.

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Awaous guamensis ( шпански; кастиљски )

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Awaous guamensis es una especie de peces de la familia de los Gobiidae en el orden de los Perciformes.

Morfología

Los machos pueden llegar alcanzar los 24,5 cm de longitud total.[1]

Alimentación

Come algas, gusanos, crustáceos y larvas de insectos.

Hábitat

Es un pez de clima tropical y demersal.

Distribución geográfica

Se encuentra desde las Islas Marianas y Hawái hasta Vanuatu, Nueva Caledonia y Fiyi.

Observaciones

Es inofensivo para los humanos.

Referencias

  1. a b "Awaous guamensis". En FishBase (Rainer Froese y Daniel Pauly, eds.). Consultada en octubre de 2013. N.p.: FishBase, 2013.

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Awaous guamensis: Brief Summary ( шпански; кастиљски )

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Awaous guamensis es una especie de peces de la familia de los Gobiidae en el orden de los Perciformes.

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Awaous guamensis ( баскиски )

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Awaous guamensis Awaous generoko animalia da. Arrainen barruko Actinopterygii klasean sailkatzen da, Gobiidae familian.

Banaketa

Erreferentziak

  1. (Ingelesez) FishBase

Ikus, gainera

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Awaous guamensis: Brief Summary ( баскиски )

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Awaous guamensis Awaous generoko animalia da. Arrainen barruko Actinopterygii klasean sailkatzen da, Gobiidae familian.

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Awaous guamensis ( француски )

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Awaous guamensis est une espèce de gobies originaire des îles du Pacifique, des Mariannes au Vanuatu, en Nouvelle-Calédonie et aux Fidji, où on la trouve dans les eaux douces, saumâtres et marines.

Les mâles peuvent atteindre une longueur de 24,5 cm alors que les femelles n'atteignent que 16,5 cm[4].

Des travaux récents basés sur des différences morphologiques et génétiques ont reconnu les populations hawaïennes d’Awaous comme étant distinctes d’Awaous guamensis. Par conséquent, les populations d’Awaous hawaïens sont maintenant reconnus comme une espèce distincte Awaous stamineus[5].

Notes et références

  1. Integrated Taxonomic Information System (ITIS), www.itis.gov, CC0 https://doi.org/10.5066/F7KH0KBK, consulté le 30 décembre 2020
  2. a b c d e f et g World Register of Marine Species, consulté le 30 décembre 2020
  3. a b c d e f g h i et j BioLib, consulté le 30 décembre 2020
  4. (en) « Awaous guamensis », sur www.fishbase.de (consulté le 13 novembre 2019).
  5. Eschmeyer, W. N., R. Fricke et R. van der Laan, « Catalog of Fishes », California Academy of Sciences (consulté le 13 novembre 2019)

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Awaous guamensis: Brief Summary ( француски )

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Awaous guamensis est une espèce de gobies originaire des îles du Pacifique, des Mariannes au Vanuatu, en Nouvelle-Calédonie et aux Fidji, où on la trouve dans les eaux douces, saumâtres et marines.

Les mâles peuvent atteindre une longueur de 24,5 cm alors que les femelles n'atteignent que 16,5 cm.

Des travaux récents basés sur des différences morphologiques et génétiques ont reconnu les populations hawaïennes d’Awaous comme étant distinctes d’Awaous guamensis. Par conséquent, les populations d’Awaous hawaïens sont maintenant reconnus comme une espèce distincte Awaous stamineus.

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Awaous guamensis ( холандски; фламански )

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Vissen

Awaous guamensis is een straalvinnige vissensoort uit de familie van grondels (Gobiidae).[1] De wetenschappelijke naam van de soort is voor het eerst geldig gepubliceerd in 1837 door Valenciennes.

Bronnen, noten en/of referenties
  1. (en) Awaous guamensis. FishBase. Ed. Ranier Froese and Daniel Pauly. 10 2011 version. N.p.: FishBase, 2011.
Geplaatst op:
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