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Diagnostic Description ( anglais )

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Large dark ocellus on 1st dorsal fin (Ref. 4329).
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Cristina V. Garilao
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Life Cycle ( anglais )

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Mouthbrooders (Ref. 240). Distinct pairing during courtship and spawning (Ref. 205).
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Morphology ( anglais )

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Dorsal spines (total): 8; Dorsal soft rays (total): 8; Analspines: 2; Analsoft rays: 8
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Trophic Strategy ( anglais )

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Nocturnal. Zooplanktivorous. Takes shelter among rocks during the day (Ref. 127989).
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Biology ( anglais )

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Minimum depth reported taken from Ref. 57178. Maximum depth reported taken from Ref. 127989.
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Jaydia queketti ( anglais )

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Jaydia queketti, the spotfin cardinal or signal cardinalfish, is a species of ray-finned fish from the Indian Ocean, it is a member of the family Apogonidae. It has colonised the eastern Mediterranean Sea by way of the Suez Canal since 2004.

Description

Jaydia queketti has a compressed, oblong body which is covered in large scales. It has two dorsal fins, the first one has 7 spines, with the 3rd and 4th being the largest. The soft rays in the dorsal fin are longer than the spines. The anal fin lines up with the 2nd dorsal fin origin. The caudal fin is round. The pelvic fin lies directly underneath and in line with the pectoral fin. The mouth is slightly oblique and reaches back beyond the large eye, which in turn has a diemeter of nearly four times the length of the head. The preopercular edge is smooth. The body colour is grey to off-white, darkening on the back. Dark grey to brown spots on the body form irregular, longitudinal lines. There is a large dark ocellus on the rear edge of the first dorsal fin while the posterior edge of the caudal fin and the lower edge of the anal fin are dark grey to black. The pectoral and pelvic fins are transparent but may be white. Normally 2–12 cm in length but can grow to 15 cm.[2][3]

Distribution

Jaydia queketti occurs in the western Indian Ocean from the Red Sea south to KwaZulu Natal, east to the Persian Gulf and India.[2][3] It was first recorded in the Mediterranean Sea in Iskenderun Bay, Turkey, in 2004 and it has since spread from there southward to Israel and westward to the South Aegean Sea[2][4] The most likely source of this invasion is through the Suez Canal from the Red Sea.[5]

Biology

Jaydia queketti is a nocturnal species which emerges into the water column at night to feed on zooplankton, hence the large eye, close to the substrate to a depth of 90m. During the day J. queketti hides in rocky habitat.[2] It is a mouthbrooding species and there is some evidence of pairing behaviour.[3]

Taxonomy

Jaydia queketti was named in 1903 by the Scottish ichthyologist John Dow Fisher Gilchrist as a species in the genus Apogon.[1] The genus Jaydia was split from Apogon with J. queketii being part of the carinatus species group along with Jaydia poecilopterus and Jaydia carinatus.[6][7] Gilchrist did not specify who the specific name honours but it is thought to most likely be the conchologist John Frederick Whitlie Quekett (1849-1913) who was a curator of the Durban Natural History Museum.[8]

References

  1. ^ a b "Synonyms of Jaydia queketti (Gilchrist, 1903)". Fishbase. Retrieved 29 January 2017.
  2. ^ a b c d Atlas of Exotic Fishes in the Mediterranean Sea (Jaydia queketti). 2nd Edition. 2021. 366p. CIESM Publishers, Paris, Monaco.https://ciesm.org/atlas/fishes_2nd_edition/Jaydia_queketti.pdf
  3. ^ a b c Pascualita Sa-a; Rodolfo B. Reyes (2016). R. Froese; D. Pauly (eds.). "Jaydia queketti (Gilchrist, 1903)". Fishbase.org. Retrieved 29 January 2017.
  4. ^ Mehmet Gökoğlu; , Mustafa Ünlüsayın; Beytullah Ahmet Balcı; Yaşar Özvarol; Halil Çolak (2011). "Two alien fish in the Gulf of Antalya: Apogon queketti Gilchrist, 1903 (Apogonidae) and Champsodon nudivittis (Ogilby, 1895) (Champsodontidae)". Zoology in the Middle East. 54: 138–140. doi:10.1080/09397140.2011.10648888.
  5. ^ L. Eryilmaz; C. Dalyan (2006). "First record of Apogon queketti Gilchrist (Osteichthyes: Apogonidae) in the Mediterranean Sea (abstract)". Journal of Fish Biology. 69 (4): 1251–1254. doi:10.1111/j.1095-8649.2006.01185.x.
  6. ^ Ofer Gon (1996). "Revision of the cardinalfish subgenus Jaydia (Perciformes, Apogonidae, Apogon)". Transactions of the Royal Society of South Africa. 512 (1): 147–194.
  7. ^ K. Mabuchi; T.H. Fraser; H. Song; Y. Azuma; M. Nishida (2014). "Revision of the systematics of the cardinalfishes (Percomorpha: Apogonidae) based on molecular analyses and comparative reevaluation of morphological characters". Zootaxa. 3980 (2): 286–292.
  8. ^ Christopher Scharpf & Kenneth J. Lazara (31 May 2018). "Order KURTIFORMES (Nurseryfishes and Cardinalfishes)". The ETYFish Project Fish Name Etymology Database. Christopher Scharpf and Kenneth J. Lazara. Retrieved 21 September 2018.
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Jaydia queketti: Brief Summary ( anglais )

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Jaydia queketti, the spotfin cardinal or signal cardinalfish, is a species of ray-finned fish from the Indian Ocean, it is a member of the family Apogonidae. It has colonised the eastern Mediterranean Sea by way of the Suez Canal since 2004.

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Apogon queketti ( espagnol ; castillan )

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Apogon queketti es una especie de peces de la familia de los apogónidos en el orden de los perciformes.

Morfología

Los machos pueden llegar alcanzar los 8 cm de longitud total.[2]

Distribución geográfica

Se encuentran en el sur del Mar Rojo, Mar de Arabia y KwaZulu-Natal (Sudáfrica).[2]

Referencias

  1. AQUATAB.NET
  2. a b FishBase (en inglés)

Bibliografía

  • Gilchrist, J. D. F. 1903. Descriptions of new South African fishes. Mar. Invest. S. Africa, 2: 203-211, lám. 13-18.
  • Moyle, P. y J. Cech.: Fishes: An Introduction to Ichthyology, 4ª edición, Upper Saddle River, Nueva Jersey, Estados Unidos: Prentice-Hall. 2000.
  • Nelson, J.: Fishes of the World, 3ª edición. Nueva York, Estados Unidos: John Wiley and Sons. 1994.
  • Wheeler, A.: The World Encyclopedia of Fishes, 2ª edición, Londres: Macdonald. 1985.

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Apogon queketti: Brief Summary ( espagnol ; castillan )

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Apogon queketti es una especie de peces de la familia de los apogónidos en el orden de los perciformes.

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Apogon queketti ( basque )

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Apogon queketti Apogon generoko animalia da. Arrainen barruko Actinopterygii klasean sailkatzen da, Apogonidae familian.

Banaketa

Espezie hau Agulhasko itsaslasterran aurki daiteke.

Erreferentziak

  1. Froese, Rainer & Pauly, Daniel ed. (2006), Apogon queketti 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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Apogon queketti: Brief Summary ( basque )

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Apogon queketti Apogon generoko animalia da. Arrainen barruko Actinopterygii klasean sailkatzen da, Apogonidae familian.

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Jaydia queketti ( italien )

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Jaydia queketti Gilchrist, 1903 è un pesce osseo marino della famiglia Apogonidae.[1]

Distribuzione e habitat

Ampiamente diffusa nell'oceano Indiano occidentale, dal Sudafrica al mar Rosso, al golfo Persico. Esistono segnalazioni dall'India[2]. La specie, in seguito alla migrazione lessepsiana, è penetrata nel mar Mediterraneo orientale dove risulta però rara, con poche segnalazioni sulle coste da Israele alla baia di Alessandretta, in Turchia meridionale.[3][4]

Durante il giorno rimane nascosto in fondali rocciosi mentre di notte si sposta in acque libere per alimentarsi[3].

È riportata una profondità di vita di 66/73 metri[2] e fino a 90 metri di profondità massima[3].

Descrizione

J. queketti ha sagoma ovale e corpo compresso lateralmente. Gli occhi sono grandi; la bocca è ampia, in posizione obliqua, e supera posteriormente l'occhio. Le pinne dorsali sono due, separate da uno spazio, la prima è composta da 7 raggi spiniformi. I raggi molli della dorsale sono più lunghi dei raggi spinosi. La pinna anale è grossolanamente uguale e simmetrica alla seconda dorsale. La pinna caudale è quasi tronca, con bordo arrotondato. Le pinne ventrali sono inserite sulla verticale delle pinne pettorali. Il preopercolo è privo di dentellature. scaglie grandi. La colorazione è fondamentalmente grigiastra o marrone chiaro, solo leggermente più scura sul dorso; sui fianchi sono presenti punti scuri grossolanamente disposti in linee irregolari orizzontali. Una grande macchia nera, vistosa, è sul bordo posteriore della prima dorsale. Il bordo posteriore della caudale e quello inferiore dell'anale sono scuri. Le pinne pari sono chiare o incolori[3].

Raggiunge 12,3 cm di lunghezza massima[2].

Biologia

Comportamento

Notturno[3].

Alimentazione

Si nutre di notte di zooplancton[3].

Riproduzione

Le uova vengono incubate nella bocca[2], probabilmente dal maschio[3].

Pesca

Viene catturato con le reti a strascico[4] ma non ha alcun valore[3].

Conservazione

La lista rossa IUCN non valuta J. queketti.

Note

  1. ^ (EN) Jaydia queketti, in WoRMS (World Register of Marine Species). URL consultato il 23 maggio 2021.
  2. ^ a b c d (EN) Jaydia queketti, su FishBase. URL consultato il 23 maggio 2021.
  3. ^ a b c d e f g h (EN) Scheda di Jaydia queketti, su CIESM Atlas of Exotic Fishes in the Mediterranean Sea. URL consultato il 23 maggio 2021.
  4. ^ a b (EN) L. Eryilmaz & C. Dalyan, First record of Apogon queketti Gilchrist (Osteichthyes: Apogonidae) in the Mediterranean Sea, in Journal of Fish Biology, vol. 69, n. 4, 2006, pp. 1251–1254, DOI:10.1111/j.1095-8649.2006.01185.x.

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Jaydia queketti: Brief Summary ( italien )

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Jaydia queketti Gilchrist, 1903 è un pesce osseo marino della famiglia Apogonidae.

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