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Australian Carp Gudgeon

Hypseleotris compressa (Krefft 1864)

Life Cycle

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The male sets up a territory on the bottom and entices the female to deposit up to 3,000 eggs on rocks, logs or plants. Male guards the nest throughout the incubation period of 10-14 hours (Ref. 5259).
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Recorder
Armi G. Torres
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Migration

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Potamodromous. Migrating within streams, migratory in rivers, e.g. Saliminus, Moxostoma, Labeo. Migrations should be cyclical and predictable and cover more than 100 km.
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Morphology

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Dorsal spines (total): 7; Dorsal soft rays (total): 8 - 9; Analspines: 1; Analsoft rays: 10 - 12
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Trophic Strategy

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Usually found in flowing streams among aquatic vegetation or branches of submerged trees. Juveniles often occur in swiftly flowing water or brackish estuaries. Feeds on microcrustaceans, mosquito larvae and algae.
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Biology

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Adults inhabit lower reaches of rivers (also found further upstream) in flowing or still water (Ref. 44894) among aquatic vegetation or branches of submerged trees. Juveniles often occur in swiftly flowing water or brackish estuaries. Tolerant of salinity levels equal to sea water, temperatures up to 35°C and pH 5.0-9.1 (Ref. 44894). Feed on micro-crustaceans, mosquito larvae and algae. Spawning occurs during the warmer months, when males establish breeding territories and display their dazzling colours to attract a mate. The eggs adhere to rocks, sand or weeds and are guarded and fanned by the male until hatching, which occurs in 10-14 hours (Ref. 44894). Smallest vertebrate eggs with max 0.32 mm length. Hatching larvae are about 1mm long.
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Importance

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aquarium: commercial
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Hypseleotris compressa

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Hypseleotris compressa, the empire gudgeon, is a species of Gobiiform fish in the family Eleotridae endemic to Australia and south-central New Guinea.[1]

Taxonomy

Gerard Krefft described the empire gudgeon in 1864 as Eleotris compressus, having been discovered by one James F. Wilcox.[3]

Description

H. compressa has an elongated body which can be up to 12 cm (4.7 in) long.[4] The males are larger than the females.[5] The fish does not have a lateral line, but does have ctenoid scales.[6]

Its color varies, but the fish generally has a yellowish-tan to golden-brown head, although it can occasionally be a dark brown.[4] Its abdomen is usually a whitish-red color.[4][7] During the off-breeding seasons, males can be identified by prominent, variously colored bands on their anal and dorsal fins. The caudal fin is a "dusky" colour, and the pectoral and pelvic fins have no colour.[4] During the breeding season, the male's colors brighten significantly, turning a red-orange colour, and they sometimes appear to glow.[4][7] The male fish uses his colors to attract a mate.[1] The species can quickly change color as needed.[4]

Distribution and habitat

The H. compressa population is mostly concentrated in the northern and eastern portions of Australia[4] and south-central New Guinea.[1] It has also been found in the Torres Strait, around Muralag and Horn Island.[6]

The fish is most commonly found in freshwater flowing rivers or streams,[4][6] but is also found in still water and can withstand sea water level salinity.[1][4] It is usually found in the lower reaches of rivers, but can also live upstream.[4][6] It swims amongst aquatic plants and branches,[1][5] and sometimes hides among rocks, using them as "caves".[4]

Behaviour

The fish is omnivorous, primarily taking small crustaceans and insects but will also consume algae and aquatic plants.[5][6]

Spawning usually occurs in fresh water during warm weather; the breeding season generally spans from spring to autumn. After spawning with the male, the female fish lays rows of about 3,000 adhesive-coated eggs, each of which are about .32 mm long. The eggs stick to various surfaces, such as plants, logs, rocks, or sand. The male then fertilizes them with "sperm lines". The male guards the eggs until the young fish hatch, which usually takes 10–14 hours. After hatching, the young fish go downstream to estuaries, where their development takes place. Once grown, the fish return to fresh water.[1][4][6] This spawning strategy, coupled with the very small size of the newborn fry, has hindered efforts at propagating this species for aquariums,[8] though it has been accomplished by accident in shrimp aquaculture ponds.[9]

A controlled study comparing six native fish species with the introduced (and invasive) eastern mosquitofish (Gambusia holbrooki) on consuming larvae of the common banded mosquito (Culex annulirostris) in Brisbane found that the empire gudgeon was as efficient at eating mosquito larvae as the eastern mosquitofish and is a good candidate for mosquito control.[10]

References

  1. ^ a b c d e f g h Froese, Rainer; Pauly, Daniel (eds.) (2014). "Hypseleotris compressa" in FishBase. November 2014 version.
  2. ^ "Hypseleotris compressa (Krefft, 1864)". GBIF.org. Retrieved 18 February 2015.
  3. ^ Krefft, Gerard (1864). "Notes on Australian freshwater fishes, and descriptions of four new species". Proceedings of the Zoological Society of London: 182–84.
  4. ^ a b c d e f g h i j k l "Action Statement: Flora and Fauna Guarantee Act 1988" (PDF). depi.vic.gov.au. Archived from the original (PDF) on 16 February 2015. Retrieved 12 February 2015.
  5. ^ a b c "Hypseleotris compressa". www-public.jcu.edu.au. Archived from the original on 11 February 2015. Retrieved 12 February 2015.
  6. ^ a b c d e f "Empire Gudgeon, Hypseleotris compressa (Krefft 1864)". fishesofaustralia.net.au. Archived from the original on 16 February 2015. Retrieved 12 February 2015.
  7. ^ a b "Empire Gudgeon, Hypseleotris compressa (Krefft, 1864)". australianmuseum.net.au. Retrieved 16 February 2015.
  8. ^ "Hypseleotris compressa – Empire Gudgeon (Eleotris brevirostris, Eleotris modesta) — Seriously Fish".
  9. ^ "AQUAGREEN Fact Sheet".
  10. ^ Hurst, Timothy P.; Brown, Michael D.; Kay, Brian H. (2004). "Laboratory evaluation of the predation efficacy of native Australian fish on Culex annulirostris (Diptera: Culicidae)" (PDF). Journal of the American Mosquito Control Association. 20 (3): 286–91. PMID 15532929.
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Hypseleotris compressa: Brief Summary

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Hypseleotris compressa, the empire gudgeon, is a species of Gobiiform fish in the family Eleotridae endemic to Australia and south-central New Guinea.

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Hypseleotris compressa ( Basque )

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Hypseleotris compressa Hypseleotris generoko animalia da. Arrainen barruko Eleotridae familian sailkatzen da.

Banaketa

Erreferentziak

  1. Froese, Rainer & Pauly, Daniel ed. (2006), Hypseleotris compressa 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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Hypseleotris compressa: Brief Summary ( Basque )

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Hypseleotris compressa Hypseleotris generoko animalia da. Arrainen barruko Eleotridae familian sailkatzen da.

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Hypseleotris compressa ( French )

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Hypseleotris compressa est une espèce de poisson de la famille Eleotridae endémique de l'Australie et de la Papouasie-Nouvelle-Guinée. Le poisson mesure jusqu'à 12 cm de long, le mâle est plus grand que la femelle. Ce poisson omnivore adopte une coloration bien plus vive pendant la saison de reproduction afin d'attirer un partenaire. Jusqu'à 3000 œufs sont pondus dans la période chaude de l'année : ils éclosent après 10 à 14 jours.

Description

Le corps de Hypseleotris compressa est étiré et mesure jusqu'à 12 cm en longueur standard[3],[4]. Le mâle est légèrement plus grand que la femelle[5]. Il ne dispose pas de ligne latérale ; les écailles sont cténoïdes[6].

La coloration varie mais la tête est généralement d'une teinte allant du jaune-ocre au brun-doré, elle peut cependant être d'un brun plus foncé. L'abdomen adopte souvent une teinte rouge-blanchâtre[7]. Hors de la saison de reproduction, le mâle se distingue par les bandes de différentes couleurs qu'il arbore sur les nageoires anale et dorsale. La nageoire caudale est sombre, alors que les nageoires pectorales et pelviennes ne sont pas colorées[4]. Lors de la saison de reproduction, les couleurs du mâle se vivifient de façon significative : la teinte générale tourne au rouge-orangé et semble parfois briller[4],[7].

Répartition et habitat

La population de Hypseleotris compressa se concentre principalement au nord et à l'est de l'Australie, et au sud de la Papouasie-Nouvelle-Guinée[4],[8]. Des spécimens ont également été répertoriés dans le détroit de Torrès, à Muralug et sur l'île Horn[6].

L'espèce se rencontre habituellement dans des rivières d'eau douce ou dans des ruisseaux, mais aussi dans des eaux calmes. Le poisson habite plus souvent les portions basse des rivières mais se rencontre également en amont[4]. Il se déplace parmi les plantes aquatiques et les branches, et se cache parfois entre les pierres pour se protéger[5],[8].

Biologie

Le mâle utilise sa teinte pour attirer un partenaire sexuel : les membres de cette espèce sont capables de changer rapidement de coloration si cela est rendu nécessaire[4],[8].

Hypseleotris compressa est omnivore : il se nourrit de petits crustacés, d'insectes, de larves d'insectes, d'algues et de plantes aquatiques[6],[5].

L'acte reproducteur s'effectue généralement en eau douce et pendant la saison chaude ; la saison propice s'étend du printemps à l'automne. La femelle pond ensuite jusqu'à 3000 œufs couverts d'une couche adhésive. Ces minuscules œufs ne dépassant pas 0,32 mm se collent ainsi à différentes surfaces : des plantes, des rondins de bois, des rochers ou du sable[2]. Puis le mâle féconde les œufs en déposant une ligne de sperme. Le mâle veille sur les œufs jusqu'à l'éclosion, qui survient après 10 à 14 jours. Les jeunes poissons descendent la rivière afin d'atteindre un estuaire où ils effectuent leur développement. Arrivé à maturité, le poisson retourne vivre en eau douce[4],[8].

Références taxinomiques

Notes et références

  • (en) Cet article est partiellement ou en totalité issu de l’article de Wikipédia en anglais intitulé .
  1. Integrated Taxonomic Information System (ITIS), www.itis.gov, CC0 https://doi.org/10.5066/F7KH0KBK, consulté le 5 mars 2015
  2. a et b (en) Rainer Froese et Daniel Pauly, « Hypseleotris compressa », sur FishBase.org, 2014 (consulté en mars 2015)
  3. La longueur standard exclut la nageoire caudale, par opposition à la longueur totale.
  4. a b c d e f et g (en) « Action Statement: Flora and Fauna Guarantee Act 1988 », sur depi.vic.gov.au (consulté en mars 2015)
  5. a b et c (en) « Hypseleotris compressa », sur www-public.jcu.edu.au (consulté en mars 2015)
  6. a b et c (en) « Empire Gudgeon, Hypseleotris compressa (Krefft 1864) », sur fishesofaustralia.net.au (consulté en mars 2015)
  7. a et b (en) « Empire Gudgeon, Hypseleotris compressa (Krefft, 1864) », sur australianmuseum.net.au (consulté en mars 2015)
  8. a b c et d (en) « Comprehensive Description », sur eol.org (consulté en mars 2015)
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Hypseleotris compressa: Brief Summary ( French )

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Hypseleotris compressa est une espèce de poisson de la famille Eleotridae endémique de l'Australie et de la Papouasie-Nouvelle-Guinée. Le poisson mesure jusqu'à 12 cm de long, le mâle est plus grand que la femelle. Ce poisson omnivore adopte une coloration bien plus vive pendant la saison de reproduction afin d'attirer un partenaire. Jusqu'à 3000 œufs sont pondus dans la période chaude de l'année : ils éclosent après 10 à 14 jours.

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Hypseleotris compressa ( Dutch; Flemish )

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Vissen

Hypseleotris compressa is een straalvinnige vissensoort uit de familie van de slaapgrondels (Eleotridae).[1] De wetenschappelijke naam van de soort is voor het eerst geldig gepubliceerd in 1864 door Krefft.

Bronnen, noten en/of referenties
  1. (en) Hypseleotris compressa. FishBase. Ed. Ranier Froese and Daniel Pauly. 02 2013 version. N.p.: FishBase, 2013.
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27-02-2013
Dit artikel is een beginnetje over biologie. U wordt uitgenodigd om op bewerken te klikken om uw kennis aan dit artikel toe te voegen. Beginnetje
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Hypseleotris compressa ( Vietnamese )

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Cá khỉ đỏ đầu gù (Danh pháp khoa học: Hypseleotris compressa) là một loài cá trong họ Eleotridae.

Phân bố và môi trường sống

Các quần thể Hypseleotris compressa tập trung nhiều nhất ở phần miền đông và miền bắc nước Úc[3] và miền nam Papua New Guinea.[4] Nó cũng sống ở Torres Strait, quanh MuralagHorn Island.[5] Loài cá này sinh sống nhiều nhất ở vùng sông và suối nước ngọt chảy,[3][5] nhưng cũng được tìm thấy ở các vùng nước tĩnh.[3][4]

Đặc điểm

Chúng là một loài cá cảnh có màu sắc nổi bật, đặc biệt có những con trưởng thành có cả cái đầu gù to như cá la hán, kích thước tối đa của chúng có thể đạt đến 12 cm. Cá có màu cam, viền vây màu đỏ sẫm. Con mái màu xanh nhạt. Lưng và vây hậu môn ngắn, chỉ có giai đoạn sắp sinh sản, chúng có được một màu sắc đậm và đẹp.

Thức ăn của Hypseleotris compressa là động vật giáp xác nhỏ, côn trùng, tảo, thức ăn tươi sống, đông lạnh và khô. Chúng rất dễ sinh sản, nhưng tỉ lệ đậu không cao, con mái đẻ trứng trên phiến đá phẳng, trong môi trường thủy sinh càng thích hợp. Khả năng thích nghi của chúng rất cao, tuổi thọ lên đến 23 năm, chúng sống tốt trong môi trường nước ngọt và nước lợ. Hypseleotris compressa là loài cá hiền lành và có thể sống hòa bình với các loài cá khác

Chú thích

  1. ^ “Hypseleotris compressa (Krefft, 1864)”. GBIF.org. Truy cập ngày 18 tháng 2 năm 2015.
  2. ^ “Species details”. catalogueoflife.org. Truy cập ngày 12 tháng 2 năm 2015.
  3. ^ a ă â “Action Statement: Flora and Fauna Guarantee Act 1988” (PDF). depi.vic.gov.au. Truy cập ngày 12 tháng 2 năm 2015.
  4. ^ a ă “Comprehensive Description”. eol.org. Truy cập ngày 12 tháng 2 năm 2015.
  5. ^ a ă “Empire Gudgeon, Hypseleotris compressa (Krefft 1864)”. fishesofaustralia.net.au. Truy cập ngày 12 tháng 2 năm 2015.

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Hypseleotris compressa: Brief Summary ( Vietnamese )

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Cá khỉ đỏ đầu gù (Danh pháp khoa học: Hypseleotris compressa) là một loài cá trong họ Eleotridae.

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