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Paracaesio xanthura (Bleeker, 1869)

Yellowtail blue snapper
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Paracaesio xanthura   AquaMaps   Data sources: GBIF OBIS
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Image of Paracaesio xanthura (Yellowtail blue snapper)
Paracaesio xanthura
Picture by Randall, J.E.


Indonesia country information

Common names: False fusilier
Occurrence: native
Salinity: marine
Abundance: | Ref:
Importance: commercial | Ref:
Aquaculture: | Ref:
Regulations: | Ref:
Uses: no uses
Comments: From southwest Sumatra to Timor Sea. Museum: GMBL 83-33 (TGT2377) (Ref. 5978). In range: Ref. 47567. Also Ref. 48635. Lesser Sunda Islands cool upwelling areas (Ref. 90102).
National Checklist:
Country Information: https://www.cia.gov/library/publications/resources/the-world-factbook/geos/id.html
National Fisheries Authority:
Occurrences: Occurrences Point map
Main Ref: Allen, G.R., 1985
National Database:

Common names from other countries

Classification / Names Κοινά ονόματα | Συνώνυμα | Catalog of Fishes(Γένος, Είδη) | ITIS | CoL | WoRMS | Cloffa

> Eupercaria/misc (Various families in series Eupercaria) > Lutjanidae (Snappers) > Apsilinae
Etymology: Paracaesio: Greek, para = the side of + Latin, caesium = bluish grey (Ref. 45335).
  More on author: Bleeker.

Environment: milieu / climate zone / depth range / distribution range Οικολογία

Θαλασσινό(ά) Υφαλόφιλο(α); εύρος βάθους 5 - 250 m (Ref. 86942).   Tropical; 35°N - 35°S, 37°E - 169°W (Ref. 55)

Κατανομή Χώρες | Περιοχές FAO | Οικοσυστήματα | Παρουσίες | Point map | Εισαγωγές | Faunafri

Indo-Pacific: East Africa to the Austral Islands, north to southern Japan, south to southeastern Australia. Paracaesio xanthura, a complex of variable populations, may compose a single or two (or more) species. Paracaesio pedleyi, from Lord Howe Island, Middleton Reef, and eastern Australian waters, is included here with some reservation (Ref. 9821).

Μέγεθος / Βάρος / Age

Maturity: Lm ?  range ? - ? cm
Max length : 50.0 cm TL αρσενικό/απροσδιόριστο; (Ref. 5484)

Short description Κλείδες προσδιορισμού | Μορφολογία | Μορφομετρία

Ραχιαίες άκανθες (συνολικά) : 10; Μαλακές ραχιαίες ακτίνες (συνολικά) : 10 - 11; Εδρικές άκανθες: 3; Μαλακές εδρικές ακτίνες: 8 - 9. This species is distinguished by the following characters: body relatively deep and laterally compressed, greatest body depth 2.5-2.8 in SL; interorbital region convex; mouth terminal, jaws about equal; anterior end of upper lip without a thick fleshy protrusion; maxilla with or without scales and without longitudinal ridges; teeth in jaws caniniform to villiform; gill rakers of first gill arch 5-11 + 18-20; soft rays of dorsal fin usually 10, in anal fin 8; lateral line scales 70-72; caudal fin forked. Colour bright blue; broad yellow band over most of dorsal half of body, including most of caudal pedincle fin (Ref. 9821, 90102).

Βιολογία     Γλωσσάρι (π.χ. epibenthic)

Adults occur over rocky bottoms, sometimes forming large schools. They feed largely on zooplankton (Ref. 30573). Caught mainly with handlines and bottom longlines and marketed fresh or frozen (Ref. 9821).

Life cycle and mating behavior Maturities | Αναπαραγωγή | Spawnings | Egg(s) | Fecundities | Προνύμφες

Main reference Upload your references | Αναφορές | Συντονιστής | Συνεργάτες

Allen, G.R., 1985. FAO Species Catalogue. Vol. 6. Snappers of the world. An annotated and illustrated catalogue of lutjanid species known to date. FAO Fish. Synop. 125(6):208 p. Rome: FAO. (Ref. 55)

IUCN Red List Status (Ref. 130435)

  Least Concern (LC) ; Date assessed: 05 March 2015

CITES (Ref. 128078)

Not Evaluated

CMS (Ref. 116361)

Not Evaluated

Threat to humans

  Harmless




Human uses

αλιεία: Εμπορικό(ά)

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Διαδικτυακές πηγές

Estimates based on models

Preferred temperature (Ref. 115969): 19.9 - 28.3, mean 26.5 (based on 1214 cells).
Phylogenetic diversity index (Ref. 82804):  PD50 = 0.5039   [Uniqueness, from 0.5 = low to 2.0 = high].
Bayesian length-weight: a=0.01905 (0.01031 - 0.03520), b=3.08 (2.91 - 3.25), in cm Total Length, based on LWR estimates for this species & (Sub)family-body (Ref. 93245).
Τροφικό Επίπεδο (Ref. 69278):  3.4   ±0.45 se; based on food items.
Ελαστικότητα (Ref. 120179):  Μεσαίο(α), ελάχιστος χρόνος για διπλασιασμό πληθυσμού 1,4 - 4,4 έτη (Preliminary K or Fecundity.).
Fishing Vulnerability (Ref. 59153):  Moderate vulnerability (40 of 100).
Price category (Ref. 80766):   Very high.