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Lutjanus apodus (Walbaum, 1792)

Schoolmaster snapper
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Native range | All suitable habitat | Point map | Year 2050
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Lutjanus apodus   AquaMaps   Data sources: GBIF OBIS
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Image of Lutjanus apodus (Schoolmaster snapper)
Lutjanus apodus
Picture by Patzner, R.

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

> Eupercaria/misc (Various families in series Eupercaria) > Lutjanidae (Snappers) > Lutjaninae
Etymology: Lutjanus: Malay, ikan lutjan, name of a fish.
More on author: Walbaum.

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

Θαλασσινό(ά); Υφάλμυρο Υφαλόφιλο(α); εύρος βάθους 2 - 63 m (Ref. 9626). Subtropical; 42°N - 19°S, 98°W - 31°W (Ref. 55)

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

Western Atlantic: north to Massachusetts, USA (rare in Florida) and south to Trinidad and northern Brazil.

Length at first maturity / Μέγεθος / Βάρος / Age

Maturity: Lm 25.0  range ? - ? cm
Max length : 79.1 cm FL αρσενικό/απροσδιόριστο; (Ref. 69373); common length : 35.0 cm TL αρσενικό/απροσδιόριστο; (Ref. 55); μεγ. δημοσιευμένο βάρος: 10.8 kg (Ref. 26340); μεγ. αναφερόμενη ηλικία: 42 έτη (Ref. 128039)

Short description Κλείδες προσδιορισμού | Μορφολογία | Μορφομετρία

Ραχιαίες άκανθες (συνολικά) : 10; Μαλακές ραχιαίες ακτίνες (συνολικά) : 14; Εδρικές άκανθες: 3; Μαλακές εδρικές ακτίνες: 8. Snout long and pointed, mouth large. One of the upper pairs of canine teeth notably enlarged, visible when mouth is close. Preopercular notch and knob weak. Pectoral fins long, reaching the level of anus. Scale rows on back parallel to lateral line, at least anteriorly. Olive gray to brownish on upper back and sides, with eight narrow, pale vertical bars which may be faint or absent in large adults. A solid or broken blue line which may disappear with growth, runs under the eye.

Βιολογία     Γλωσσάρι (π.χ. epibenthic)

Adults occur in shallow, clear, warm, coastal waters over coral reefs. Often near the shelter of elkhorn corals and gorgonians (Ref. 9710). Juveniles are encountered over sand bottoms with or without seagrass (Thalassia), and over muddy bottoms of lagoons or mangrove areas. Young sometimes enter brackish waters. Sometimes form resting aggregations during the day. Feed on fishes, shrimps, crabs, worms, gastropods and cephalopods. Considered a good food fish, it is marketed fresh or frozen (Ref. 55). Maximum length for female taken from Ref. 3093.

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: 10 October 2015

CITES

Not Evaluated

CMS (Ref. 116361)

Not Evaluated

Threat to humans

  Reports of ciguatera poisoning (Ref. 30911)





Human uses

αλιεία: Εμπορικό(ά)

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Διαδικτυακές πηγές

Estimates based on models

Preferred temperature (Ref. 123201): 23.3 - 28, mean 26.4 °C (based on 412 cells).
Phylogenetic diversity index (Ref. 82804):  PD50 = 0.5000   [Uniqueness, from 0.5 = low to 2.0 = high].
Bayesian length-weight: a=0.01479 (0.01312 - 0.01668), b=2.97 (2.95 - 2.99), in cm total length, based on LWR estimates for this species (Ref. 93245).
Τροφικό Επίπεδο (Ref. 69278):  4.3   ±0.4 se; based on diet studies.
Generation time: 9.2 ( na - na) years. Estimated as median ln(3)/K based on 1 growth studies.
Ελαστικότητα (Ref. 120179):  Χαμηλό, ελάχιστος χρόνος για διπλασιασμό πληθυσμού 4,5 - 14 έτη (Preliminary K or Fecundity.).
Prior r = 0.60, 95% CL = 0.39 - 0.89, Based on 1 data-limited stock assessment.
Fishing Vulnerability (Ref. 59153):  High vulnerability (62 of 100).
Price category (Ref. 80766):   High.
Nutrients (Ref. 124155):  Calcium = 17.6 [9.5, 30.2] mg/100g; Iron = 0.333 [0.194, 0.618] mg/100g; Protein = 19.6 [18.1, 21.0] %; Omega3 = 0.21 [0.12, 0.36] g/100g; Selenium = 28.8 [14.3, 56.3] μg/100g; VitaminA = 90.2 [15.2, 455.2] μg/100g; Zinc = 0.26 [0.18, 0.40] mg/100g (wet weight);