dcsimg

Diagnostic Description

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Dorsal fin XIL13-15 (typically 14), deeply notched between spinous and segmented-ray portions. Anal fin II,15-17 (usually 16). Pectoral fin 13 or 14 (rarely 14). Caudal fin 13. Vertebrae 10 + 21-23 (usually 22). Dentary incisor teeth 44-51 which includes anterior canine teeth very similar in appearance with incisors; posterior canines usually one on each side. Lateral line without vertical pairs of pores, terminating posteriorly at point between verticals fromdorsal-fin spines 10 and 12. With cirrus on posterior rim of anterior nostril; absent on anterior rim.
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Recorder
Teresa Hilomen
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Life Cycle

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Oviparous, distinct pairing (Ref. 205).
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Susan M. Luna
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Morphology

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Dorsal spines (total): 12; Dorsal soft rays (total): 13 - 15; Analspines: 2; Analsoft rays: 15 - 17
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Biology

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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).
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Estelita Emily Capuli
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Comprehensive Description

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Ecenius australianus

Ecsenius (Ecsenius) opsifrontalis.—Springer, 1972:4 [Great Barrier Reef].

DESCRIPTION.—Dorsal fin XII, 13–15 (usually 14), deeply notched between spinous and segmented-ray portions. Anal fin II, 15–17 (usually 16). Pectoral fin 13 or 14 (rarely 14). Caudal fin 13. Vertebrae 10 + 21–23 (usually 22). Dentary incisor teeth 44–51 (includes anterior canine teeth, which differ little, if at all, in appearance from incisors); posterior canines usually one on each side. Lateral line without vertical pairs of pores, terminating posteriorly at point between verticals from dorsal-fin spines 10 and 12. Cirrus present on posterior rim of anterior nostril; none on anterior rim.

Preserved Color: Darkly pigmented specimens (Figure 43b) have dark stripe extending posteriorly from postorbital margin to dorsal opercular region; stripe not clearly continuous with broad, dusky stripe on body, which appears to originate posterior to opercle and extend posteriorly onto caudal fin with slight ventral deflection; stripe increasing in intensity at caudal-fin base; another broad, dusky stripe with indistinct origin posterior to pectoral-fin axil extending onto caudal fin with increase in intensity at caudal-fin base; stripes connected by broad, dusky bands, setting off two rows of pale, oblong areas, each row with 7–9 such areas; bands darkest along dorsal body contour. Some specimens exhibit a scarcely noticeable, fine, dark posterior edging of the opercle. Anal fin with broad, dusky submarginal band; other markings on head, body, and fins not distinctive. Faintly pigmented specimens (Figure 43a) exhibit same basic pattern but stripes and bands on body may be almost unrecognizable.

Live Color (Plate 12: figure 2; also Debelius, 1986:92, upper figure, labelled Ecsenius opsifrontalis): Dark postorbital head stripe brownish or blackish, bordered by narrow, bright, pale stripes, which are continuous through eye dorsal and ventral to pupil; another slender, pale stripe extends short distance along dorsal head profile just above eye. Bands and stripes on body vary, according to specimen, from bright reddish orange to dark brownish pink, becoming dark gray posteriorly in all specimens; two rows of bright-white, oblong areas set off by bands and stripes, dorsal row consisting of about 11 areas and ventral row of about 10; body white below ventral stripe.

COMPARISONS.—Ecsenius australianus appears to be most similar (closely related?) to E. fourmanoiri. Within the Opsifrontalis Group, these two species have the highest averages for meristic characters. Some preserved specimens of E. australianus exhibit a faint dark line along the posterior opercular margin, reminiscent of the intensely dark line of E. fourmanoiri, but the line, when present, of E. australianus does not extend to the ventral surface of the head as it does in E. fourmanoiri. The dark opercular margin is not present in the other species of the Group and I hypothesize that it is a synapomorphy for E. australianus and E. fourmanoiri. Also, only in these two species are there adults with broad, darkly dusky bands and stripes such as illustrated in Figures 43b and 48 (some juveniles of E. opsifrontalis duplicate this pattern, Figure 50d). In E. australianus and E. fourmanoiri the intersections of the bands and stripes are never marked with spots or intensifications of pigment. A similar lack of intensified pigment at the intersections is characteristic otherwise only of some populations of E. opsifrontalis.

Ecsenius australianus differs from E. fourmanoiri in having lower average numbers of segmented dorsal-and anal-fin rays and caudal vertebrae (Table 21). It also differs from E. fourmanoiri in lacking a dark stripe on the fleshy pectoral-fin base, in having the dark line along the posterior opercular margin only faintly dusky, the dorsal body stripe indistinctly formed anteriorly in the region above the appressed pectoral fin, and in never having the body markings so intensely dark as may occur in E. fourmanoiri. The color-pattern of E. australianus is reflected in life by the preponderance of orange markings, as opposed to the blackish markings of E. fourmanoiri. Pale, preserved specimens of E. australianus are remarkably similar in color pattern to dark preserved specimens of E. opsifrontalis (particularly specimens from Abaiang, Kiribati, which have the darkest postorbital stripe of any population within the species). The Kiribati specimens (as is true generally for the species), however, have the postorbital stripe continuous with the dorsal body stripe, which is darker than that of E. australianus. Additionally, except for the northern populations, which are well removed from Australia, E. opsifrontalis rarely has more than 15 segmented anal-fin rays, whereas E. australianus rarely has less than 16.

DISTRIBUTION.—Known only from the northern portion of the Great Barrier Reef of Australia.

HOLOTYPE.—AMS I.19481-062, male, 43.4 mm SL, Yonge Reef, collected by Australian Museum party, November 1975.

PARATYPES.—AMS I.19481-018, (5:18–36 mm SL), collected with holotype; AMS I.19454-030 (2:31, 33), I.19472-017 (9:17–39), USNM 278593 (9:24–45), all with same data as holotype; AMS I.18740-018 (6:16–36), Lizard Island, collected by Australian Museum party, November 1975; ANSP 114789 (3:26–39), northern Escape Reef, 24.4–27.4 m depth, J.C. Tyler et al., 24 January 1969; AMS I.22574-026 (1:40), AMS I.22582-035 (4:~15–27), AMS 22619-014 (2:19, 29), AMS I.22621-012 (2:22, 30), AMS I.22637-016 (2:17, 35), ROM 40529 (1:29), all Escape Reef, variously collected during October and November 1981 and October 1982, at depths from 3–22 m; AMS I.20775-046 (1:37), 11°36′S, 144°01′E [near Raine Island], 11 February 1979; AMS I.20756-042 (2:22, 27), Raine Island, 11°43′S, 144°03′E, 11 February 1979; AMS I.20779-088 (7:28–39), Tijou Reef, 13°05′S, 143°57′E, 1979; AMS I.20755-038 (1:39), off Cape Melville, 14°56′S, 144°36′E, 9 February 1979.
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bibliographic citation
Springer, Victor G. 1988. "The Indo-Pacific blenniid fish genus Ecsenius." Smithsonian Contributions to Zoology. 1-134. https://doi.org/10.5479/si.00810282.465

Ecsenius australianus ( Catalan; Valencian )

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Ecsenius australianus és una espècie de peix de la família dels blènnids i de l'ordre dels perciformes.

Morfologia

Reproducció

És ovípar.[6]

Hàbitat

És un peix marí de clima tropical i associat als esculls de corall.[4]

Distribució geogràfica

Es troba al nord de la Gran Barrera de Corall.[4]

Referències

  1. McCulloch A. R., 1923. Fishes from Australia and Lord Howe Island. Núm. 2. Rec. Aust. Mus. v. 14 (núm. 2). 113-125.
  2. BioLib (anglès)
  3. «Ecsenius australianus». Catalogue of Life. (anglès) (anglès)
  4. 4,0 4,1 4,2 FishBase (anglès)
  5. Randall, J.E., G.R. Allen i R.C. Steene, 1990. Fishes of the Great Barrier Reef and Coral Sea. University of Hawaii Press, Honolulu, Hawaii. 506 p.
  6. Breder, C.M. i D.E. Rosen, 1966. Modes of reproduction in fishes. T.F.H. Publications, Neptune City (Estats Units). 941 p.


Bibliografia

  • Chapman, W. M. & Schultz, L. P., 1952. Review of the fishes of the blennioid genus Ecsenius, with descriptions of five new species. Proceedings of the United States National Museum v. 102 (3310): 507-528.
  • Hardy, J.D. Jr., 2003. Coral reef fish species. NOAANational Oceanographic Data Center. NODC Coral Reef Data and Information Management System. Estats Units. 537 p.
  • Helfman, G., B. Collette i D. Facey: The diversity of fishes. Blackwell Science, Malden, Massachusetts (Estats Units), 1997.
  • Moyle, P. i J. Cech.: Fishes: An Introduction to Ichthyology, 4a edició, Upper Saddle River, Nova Jersey, Estats Units: Prentice-Hall. Any 2000.
  • Myers, R.F., 1991. Micronesian reef fishes. Second Ed. Coral Graphics, Barrigada, Guam. 298 p.
  • Nelson, J.: Fishes of the World, 3a edició. Nova York, Estats Units: John Wiley and Sons. Any 1994.
  • Springer, V. G., 1971. Revision of the fish genus Ecsenius (Blenniidae, Blenniinae, Salariini). Smithsonian Contributions to Zoology Núm. 72: 1-74.
  • Springer, V. G., 1972: Additions to revisions of the blenniid fish genera Ecsenius and Entomacrodus, with descriptions of three new species of Ecsenius. Smithsonian Contributions to Zoology Núm. 134: 1-13.
  • Springer, V. G., 1988. The Indo-Pacific blenniid fish genus Ecsenius. Smithsonian Contributions to Zoology Núm. 465: i-iv + 1-134, col. Pls. 1-14.
  • Springer, V.G., 1986. Blenniidae. p. 742-755. A M.M. Smith i P.C. Heemstra (eds.) Smiths' sea fishes. Springer-Verlag, Berlín.
  • Springer, V.: Blennies. Planes 214-217 a W.N. Eschmeyer, J. R. Paxton, editors. Encyclopedia of Fishes – 2a edició, San Diego, Califòrnia: Academic Press. Any 1994.
  • Wheeler, A.: The World Encyclopedia of Fishes, 2a edició, Londres: Macdonald. Any 1985.


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Ecsenius australianus: Brief Summary ( Catalan; Valencian )

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Ecsenius australianus és una espècie de peix de la família dels blènnids i de l'ordre dels perciformes.

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Australian blenny

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The Australian blenny (Ecsenius australianus) is a small marine blennioid fish of the genus Ecsenius. They are small and reddish brown with a white ventral side. Australian blennies inhabit the shallow marine waters of the tropics.[2] They are often found along the Great Barrier Reef and Coral Sea of Australia.

Taxonomy

This species is believed to be most closely related to E. fourmanoiri.[3] Similarities between these two species include "broad, darkly dusky bands and stripes" and "dark opercular margin[s]", which are not found in other members of the "Opsifrontalis Group".[3] Preserved specimens also bear similarity to E. opsifrontalis. However, E. australianus differ from E. opsifrontalis and E. fourmanoiri by their number of fins rays and vertebrae.[3]

Description

Australian blennies are small fish, reaching lengths of only 6 centimetres (2.4 in).[4] The dorsal two-thirds of the body is reddish-brown, with white spots forming two rows. The ventral third is white in colour.[2] A reddish-brown stripe with white edges passes from the rear end of the operculum (gill covering) through the eyes.[2] The colour of the stripes can vary by specimen, between bright orange-red and pinkish brown. Towards the posterior end, colouration turns grey.[3]

The dorsal fin has twelve spines and 13–15 soft rays.[3] The anal fin has two spines and 15–17 soft rays. The pectoral fin usually has 13 soft rays but can occasionally have 14. The tail (caudal) fin possesses 14 rays.[3]

Australian blennies are oviparous and lay eggs. The eggs develop at the bottom of the body of water and are adhesive.[4]

Distribution and habitat

Australian blennies are distributed in the western Pacific Ocean, occurring in the Great Barrier Reef and Coral Sea.[2] They are associated with coral reefs and occur in shallow waters along the northern Great Barrier Reef of Australia.[4] Whilst they are currently restricted to the northern Great Barrier Reef region, their range may expand southwards with those of several other similarly distributed species as temperatures increase due to climate change.[5]

References

  1. ^ Williams, J.T. (2014). "Ecsenius australianus". IUCN Red List of Threatened Species. 2014: e.T48342230A48348505. doi:10.2305/IUCN.UK.2014-3.RLTS.T48342230A48348505.en. Retrieved 20 November 2021.
  2. ^ a b c d "Australian Blenny, Ecsenius australianus (Springer, 1988)". Australian Museum. June 2009. Archived from the original on 23 October 2009. Retrieved 8 April 2010.
  3. ^ a b c d e f Springer, Victor G. (1988). "The Indo-Pacific Blenniid Fish Genus Ecsenius". Smithsonian Contributions to Zoology. Washington, D.C.: Smithsonian Institution Press. 465 (465): 82–90. doi:10.5479/si.00810282.465.
  4. ^ a b c Froese, Rainer; Pauly, Daniel (eds.) (2010). "Ecsenius australianus" in FishBase. January 2010 version.
  5. ^ Munday, Philip L.; Geoffrey P Jones; Marcus Sheaves; Ashley J Williams; Gillian Goby. "Vulnerability of fishes of the Great Barrier Reef to climate change" (PDF). p. 375. Archived from the original (PDF) on 6 July 2011. Retrieved 8 April 2010.
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Australian blenny: Brief Summary

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The Australian blenny (Ecsenius australianus) is a small marine blennioid fish of the genus Ecsenius. They are small and reddish brown with a white ventral side. Australian blennies inhabit the shallow marine waters of the tropics. They are often found along the Great Barrier Reef and Coral Sea of Australia.

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Ecsenius australianus ( Spanish; Castilian )

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Ecsenius australianus es una especie de pez de la familia Blenniidae en el orden de los Perciformes.

Morfología

• Los machos pueden llegar alcanzar los 6 cm de longitud total.[1][2]

Reproducción

Es ovíparo.

Hábitat

Es un pez de mar y de clima tropical y asociado a los arrecifes de coral.

Distribución geográfica

Se encuentra al norte de la Gran Barrera de Coral.

Referencias

  1. FishBase (en inglés)
  2. Randall, J.E., G.R. Allen y R.C. Steene, 1990. Fishes of the Great Barrier Reef and Coral Sea. University of Hawaii Press, Honolulu, Hawaii. 506 p.

Bibliografía

  • Fenner, Robert M.: The Conscientious Marine Aquarist. Neptune City, Nueva Jersey, Estados Unidos: T.F.H. Publications, 2001.
  • Helfman, G., B. Collette y D. Facey: The diversity of fishes. Blackwell Science, Malden, Massachusetts, Estados Unidos, 1997.
  • Hoese, D.F. 1986:. A M.M. Smith y P.C. Heemstra (eds.) Smiths' sea fishes. Springer-Verlag, Berlín, Alemania.
  • Maugé, L.A. 1986. A J. Daget, J.-P. Gosse y D.F.E. Thys van den Audenaerde (eds.) Check-list of the freshwater fishes of Africa (CLOFFA). ISNB Bruselas; MRAC, Tervuren, Flandes; y ORSTOM, París, Francia. Vol. 2.
  • Moyle, P. y J. Cech.: Fishes: An Introduction to Ichthyology, 4a. edición, Upper Saddle River, Nueva Jersey, Estados Unidos: Prentice-Hall. Año 2000.
  • Nelson, J.: Fishes of the World, 3a. edición. Nueva York, Estados Unidos: John Wiley and Sons. Año 1994.
  • Wheeler, A.: The World Encyclopedia of Fishes, 2a. edición, Londres: Macdonald. Año 1985.

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Ecsenius australianus: Brief Summary ( Spanish; Castilian )

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Ecsenius australianus es una especie de pez de la familia Blenniidae en el orden de los Perciformes.

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Ecsenius australianus ( Basque )

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Ecsenius australianus Ecsenius generoko animalia da. Arrainen barruko Actinopterygii klasean sailkatzen da, Blenniidae familian.

Banaketa

Erreferentziak

  1. Froese, Rainer & Pauly, Daniel ed. (2006), Ecsenius australianus FishBase webgunean. 2006ko apirilaren bertsioa.

Ikus, gainera

(RLQ=window.RLQ||[]).push(function(){mw.log.warn("Gadget "ErrefAurrebista" was not loaded. Please migrate it to use ResourceLoader. See u003Chttps://eu.wikipedia.org/wiki/Berezi:Gadgetaku003E.");});
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Ecsenius australianus: Brief Summary ( Basque )

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Ecsenius australianus Ecsenius generoko animalia da. Arrainen barruko Actinopterygii klasean sailkatzen da, Blenniidae familian.

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Ecsenius australianus ( French )

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Ecsenius australianus (le « blenny australien ») est un petit poisson marin de la famille des Blenniidae. Il est brun rougeâtre avec une face ventrale blanche. Il vit dans les eaux marines peu profondes des tropiques. On le trouve souvent le long de la Grande barrière de corail et la Mer de Corail en Australie.

Taxonomie

Victor G. Springer décrit la nouvelle espèce Ecsenius australianus en 1988. Springer pensait que E. australianus était étroitement lié à E. fourmanoiri. Les points de similitudes entre ces deux espèces étant « les raies et bandes larges et sombres » et « les bords des opercules noirs », que l'on ne retrouve pas chez les autres membres du groupe "Opsifrontalis". Les spécimens conservés ont aussi des points similaires à E. opsifrontalis. Toutefois, E. australianus diffèrent d’E. opsifrontalis et d’E. fourmanoiri par le nombre de rayons de leurs nageoires rayons et de vertèbres.

Description

Ce sont de petits poissons, atteignant une longueur de seulement 6 cm. Les deux tiers dorsaux du corps sont brun rougeâtre, avec deux rangées de taches blanches. Le tiers ventral est de couleur blanche. Une bande rouge-brun bordée de blanc va de l'extrémité arrière de l'opercule jusqu'aux yeux. La couleur des bandes peut varier selon les individus entre un orange-rouge clair et un brun-rose. Vers l'extrémité postérieure, la coloration vire au gris. La nageoire dorsale a douze épines et 13 à 15 rayons mous. La nageoire anale a deux épines et 15 à 17 rayons mous. La nageoire pectorale a généralement 13 rayons mous, mais peut parfois en avoir 14. La nageoire caudale a 14 rayons.

Ce sont des poissons ovipares. Les œufs se développent au fond de l'eau et sont adhérents entre eux.

Distribution et habitat

On les trouve dans l'ouest de l'océan Pacifique, essentiellement dans la Grande barrière de corail et la Mer de Corail. Ils sont associés à des récifs coralliens dans les eaux peu profondes le long du nord de la Grande barrière. Alors qu'ils sont actuellement limités à la région nord de la Grande barrière de corail, leur territoire peut s'étendre vers le sud avec ceux de plusieurs autres espèces de la même famille si la température de l'eau augmente à cause de changement climatique.

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Ecsenius australianus: Brief Summary ( French )

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Ecsenius australianus (le « blenny australien ») est un petit poisson marin de la famille des Blenniidae. Il est brun rougeâtre avec une face ventrale blanche. Il vit dans les eaux marines peu profondes des tropiques. On le trouve souvent le long de la Grande barrière de corail et la Mer de Corail en Australie.

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Ecsenius australianus ( Dutch; Flemish )

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Vissen

Ecsenius australianus is een straalvinnige vissensoort uit de familie van naakte slijmvissen (Blenniidae).[1] De wetenschappelijke naam van de soort is voor het eerst geldig gepubliceerd in 1988 door Springer.

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