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Diagnostic Description ( anglais )

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Description: Body bluish green dorsally; center of scales lighter, giving a striped appearance. Tips of caudal lobes black. Usually 4 scales on cheek; usually 23-26 predorsal scales; dorsal and anal fins without scales. Upper peduncular scale rows usually 11 (11-12); lower peduncular scale rows usually 14 or 15 (13-15). Post maxillary with 2 processes; posterior end of maxilla tapered. Unlike the species of Caesio and Pterocaesio, the anterior profile of the 1st anal pterygiophore is without a pronounced distal convexity (Ref. 402). Head length 3.0-4.3 in SL; body depth 3.3-6.0 in SL, slender (Ref. 90102).
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Morphology ( anglais )

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Dorsal spines (total): 10 - 11; Dorsal soft rays (total): 14 - 16; Analspines: 3; Analsoft rays: 11 - 13
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Trophic Strategy ( anglais )

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Often schools with species of Pterocaesio and sometimes with species of Caesio.
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Biology ( anglais )

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Inhabits coastal areas around coral reefs (Ref. 30573). Feeds on zooplankton in large midwater aggregations. Forms schools with members of the genus Pterocaesio. Oviparous, with numerous, small pelagic eggs (Ref. 402). Often mistaken for juveniles and easily overlooked because of small size (Ref. 48636). Also caught with drive-in nets. Utilized as tuna bait fish (Ref. 30573).
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Importance ( anglais )

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fisheries: minor commercial; bait: usually; price category: unknown; price reliability:
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Slender fusilier ( anglais )

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The slender fusilier (Gymnocaesio gymnoptera) is a species of marine ray-finned fish, a fusilier belonging to the family Caesionidae. It is native to tropical reefs in the Indian Ocean and the western Pacific Ocean, It is of minor importance to local commercial fisheries. This species is the only known member of its genus.

Taxonomy

The slender fusilier was first formally described in 1856 as Caesio gymnopterus by the Dutch ichthyologist Pieter Bleeker with the type locality being given as Ternate.[2] In 1876, Bleeker described a new genus, Gymnocaesio with C. gymnopterus as its type species by montypy,[3] it is still the only species in that genus.[4][5] The genus name is a compound of gymno meaning "naked" and caesio as in the related genus Caesio in which this species was originally placed. The specific name also uses gymno as a prefix for pterus which means fin, a reference to the lack of scales on the dorsal and anal fins, these are scaled in Caesio.[6]

Description

The slender fusilier has a slender, fusiform, elongated and moderately laterally compressed body. There are small conical teeth on the maxillae and the vomer while the premaxilla and palatines lack any teeth.[4] The dorsal fin has 10-11 spines and 14-16 soft rays while the anal fin has 3 spines and 11-13 soft rays.[7] There are 20-22 pectoral fin rays. The back and upper flanks are bluish green in colour, with centres of scales paler, creating a striped appearance. There is a yellow or brown stripe its widtrgh being roughly equal to a single scale over the lateral line, running for much of the later line's length but running above the lateral line on the caudal peduncle. There is frequently a vivid blue horizontal band directly underneath the lateral line stripe taking up as much as one third of the flanks. The rest of the body is silvery white The axil of pectoral fin is black and there are black tips to the lobes of the otherwise dusky caudal fin, the rest of the fins are white.[4] This species attains a maximum total length of 18 cm (7.1 in).[7]

Distribution and habitat

The slender fusilier is found in the Indian Ocean from the southern Red Sea to South Africa, eastwards through the Seychelles and Mascarenes to the Maldives and Laccadives, Sri Lanka and southern India eastwards as far as Fiji in the Pacific Ocean. It extends as far north as Japan and as far south as Papua New Guinea and New Caledonia.[1] It occurs in coastal waters in the vicinity of coral reefs[7] at depths down to 500 m (1,600 ft).[1]

Biology

The slender fusilier has a diet of zooplankton which it forages for in large midwater aggregations. It frequently joins in mixed species schools with members of the genus Pterocaesio. It is an oviparous species which lays large numbers of small, pelagic eggs.[7]

Fisheries

The slender fusilier has minor importance as a target species for fisheries. It is sometimes caught using fish traps and drive-in nets. In the Philippines the fish landed are sold as fresh fish while in the Maldives, Laccadives and the Western Pacific it is caught to be used as bait for tuna fishing.[4] In some parts of its range it is overfished.

References

  1. ^ a b c Russell, B.; Myers, R.; Smith-Vaniz, W.F.; Carpenter, K.E.; Lawrence, A. (2016). "Gymnocaesio gymnoptera". IUCN Red List of Threatened Species. 2016: e.T20251174A66006334. doi:10.2305/IUCN.UK.2016-3.RLTS.T20251174A66006334.en. Retrieved 20 November 2021.
  2. ^ a b Eschmeyer, William N.; Fricke, Ron & van der Laan, Richard (eds.). "Species in the genus Gymnopterus". Catalog of Fishes. California Academy of Sciences. Retrieved 6 July 2021.
  3. ^ Eschmeyer, William N.; Fricke, Ron & van der Laan, Richard (eds.). "Genera in the family Lutjanidae". Catalog of Fishes. California Academy of Sciences. Retrieved 6 July 2021.
  4. ^ a b c d Kent E. Carpenter (1988). FAO Species Catalogue Volume 8 Fusilier Fishes of the World (PDF). FAO Rome. p. 49.
  5. ^ Froese, Rainer and Pauly, Daniel, eds. (2021). Species of Gymnocaesio in FishBase. June 2021 version.
  6. ^ Christopher Scharpf & Kenneth J. Lazara, eds. (5 January 2021). "Order LUTJANIFORMES: Families HAEMULIDAE and LUTJANIDAE". The ETYFish Project Fish Name Etymology Database. Christopher Scharpf and Kenneth J. Lazara. Retrieved 6 July 2021.
  7. ^ a b c d Froese, Rainer; Pauly, Daniel (eds.) (2021). "Gymnocaesio gymnopterus" in FishBase. June 2021 version.

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Slender fusilier: Brief Summary ( anglais )

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The slender fusilier (Gymnocaesio gymnoptera) is a species of marine ray-finned fish, a fusilier belonging to the family Caesionidae. It is native to tropical reefs in the Indian Ocean and the western Pacific Ocean, It is of minor importance to local commercial fisheries. This species is the only known member of its genus.

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Gymnocaesio gymnoptera ( basque )

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Gymnocaesio gymnoptera Gymnocaesio generoko animalia da. Arrainen barruko Actinopterygii klasean sailkatzen da, Caesionidae familian.

Banaketa

Erreferentziak

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

Ikus, gainera

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Gymnocaesio gymnoptera: Brief Summary ( basque )

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Gymnocaesio gymnoptera Gymnocaesio generoko animalia da. Arrainen barruko Actinopterygii klasean sailkatzen da, Caesionidae familian.

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Gymnocaesio gymnoptera ( néerlandais ; flamand )

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Vissen

Gymnocaesio gymnoptera is een straalvinnige vis uit de familie van Caesionidae, orde baarsachtigen (Perciformes), die voorkomt in het westen van de Indische Oceaan, het oosten van de Indische Oceaan, de Grote Oceaan.

Anatomie

Gymnocaesio gymnoptera kan een maximale lengte bereiken van 18 cm. Van de zijkant gezien heeft het lichaam van de vis een normale vorm, van bovenaf gezien is de vorm het best te typeren als gedrongen. De kop is min of meer recht. De ogen zijn normaal van vorm en zijn symmetrisch.

De vis heeft één zijlijn, één rugvin en één aarsvin. Er zijn 10 stekels en 14 tot 16 vinstralen in de rugvin en 3 stekels en 11 tot 13 vinstralen in de aarsvin.

Leefwijze

Gymnocaesio gymnoptera is een zoutwatervis die voorkomt in een tropisch klimaat. De soort is voornamelijk te vinden in zeeën en koraalriffen.

Het dieet van de vis bestaat hoofdzakelijk uit dierlijk voedsel, waarmee het zich voedt door selectief plankton uit het water te filteren.

Relatie tot de mens

Gymnocaesio gymnoptera is voor de visserij van beperkt commercieel belang. De soort komt niet voor op de Rode Lijst van de IUCN.

Externe link

Bronnen, noten en/of referenties
  • Froese, R., D. Pauly. en redactie. 2005. FishBase. Elektronische publicatie. www.fishbase.org, versie 06/2005.
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Gymnocaesio gymnoptera: Brief Summary ( néerlandais ; flamand )

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Gymnocaesio gymnoptera is een straalvinnige vis uit de familie van Caesionidae, orde baarsachtigen (Perciformes), die voorkomt in het westen van de Indische Oceaan, het oosten van de Indische Oceaan, de Grote Oceaan.

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Gymnocaesio gymnoptera ( polonais )

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Gymnocaesio gymnopteragatunek morskiej ryby okoniokształtnej z rodziny cesjowatych (Caesionidae), jedyny przedstawiciel rodzaju Gymnocaesio. Występuje w Indo-Pacyfiku – od Morza Czerwonego i wybrzeży Afryki Wschodniej po Filipiny i Nową Kaledonię[2]. Jest związany ze środowiskiem raf koralowych. Dorasta do 18 cm długości całkowitej[3]. Żywi się zooplanktonem. Pływa w dużych ławicach, często wraz z przedstawicielami rodzaju Pterocaesio. Ma niewielkie znaczenie w rybołówstwie. Poławiany raczej przypadkowo. Sprzedawany świeży lub wykorzystywany jako przynęta na tuńczyki[4].

Przypisy

  1. Gymnocaesio gymnoptera, w: Integrated Taxonomic Information System (ang.).
  2. Eschmeyer, W. N. (ed).: Catalog of Fishes electronic version (4 January 2013) (ang.). California Academy of Sciences. [dostęp 20 stycznia 2013].
  3. Gymnocaesio gymnoptera. (ang.) w: Froese, R. & D. Pauly. FishBase. World Wide Web electronic publication. www.fishbase.org [dostęp 20 stycznia 2013]
  4. Kent E. Carpenter: The Living Marine Resources of the Western Central Pacific, Volume 5: Bony fishes part 3 (Menidae to Pomacentridae). Rzym: Food and Agriculture Organization of the United Nations, 2001, s. 2932. ISBN 92-5-104587-9. (ang.)
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Gymnocaesio gymnoptera: Brief Summary ( polonais )

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Gymnocaesio gymnoptera – gatunek morskiej ryby okoniokształtnej z rodziny cesjowatych (Caesionidae), jedyny przedstawiciel rodzaju Gymnocaesio. Występuje w Indo-Pacyfiku – od Morza Czerwonego i wybrzeży Afryki Wschodniej po Filipiny i Nową Kaledonię. Jest związany ze środowiskiem raf koralowych. Dorasta do 18 cm długości całkowitej. Żywi się zooplanktonem. Pływa w dużych ławicach, często wraz z przedstawicielami rodzaju Pterocaesio. Ma niewielkie znaczenie w rybołówstwie. Poławiany raczej przypadkowo. Sprzedawany świeży lub wykorzystywany jako przynęta na tuńczyki.

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Description ( anglais )

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Inhabits coastal areas ranging widely around coral reefs. Feeds on zooplankton in large midwater aggregations. Also caught with drive-in nets. Forms schools with members of the genus Pterocaesio.

Référence

Froese, R. & D. Pauly (Editors). (2023). FishBase. World Wide Web electronic publication. version (02/2023).

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