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Eupercaria/misc (Various families in series Eupercaria) >
Lutjanidae (Snappers) > Lutjaninae
Etymology: Lutjanus: Malay, ikan lutjan, name of a fish.
More on author: Bloch.
Environment: milieu / climate zone / depth range / distribution range
Οικολογία
Θαλασσινό(ά); Υφάλμυρο Υφαλόφιλο(α); ωκεανόδρομο(ς) (Ref. 51243); εύρος βάθους 0 - 80 m (Ref. 30573). Tropical; 31°N - 30°S, 30°E - 174°W (Ref. 55)
Indo-West Pacific: East Africa to Fiji, north to the Ryukyu Islands, south to Australia.
Length at first maturity / Μέγεθος / Βάρος / Age
Maturity: Lm 51.9 range ? - ? cm
Max length : 97.0 cm TL αρσενικό/απροσδιόριστο; (Ref. 40637); common length : 50.0 cm TL αρσενικό/απροσδιόριστο; (Ref. 55); μεγ. δημοσιευμένο βάρος: 10.5 kg (Ref. 4699)
Ραχιαίες άκανθες (συνολικά): 10; Μαλακές ραχιαίες ακτίνες (συνολικά): 13-14; Εδρικές άκανθες 3; Μαλακές εδρικές ακτίνες: 8. Dorsal profile of head steeply sloped. Preorbital width equal to eye diameter or larger. Preopercular notch and knob poorly developed. Scale rows on back parallel to lateral line. Center of each scale often with a reddish-brown spot, giving an overall appearance of series of horizontal lines on side of body. Generally yellow with a bronze to silvery sheen, shading to silvery white on belly and underside of the head. A large black blotch mainly above the lateral line below the anterior dorsal-fin rays.
Adults probably frequent coral reef areas; juveniles found in mangrove estuaries (Ref. 30573). Feed on fishes and benthic invertebrates including shrimps, crabs and cephalopods. In Hong Kong live fish markets (Ref. 27253).
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)
Threat to humans
Harmless
Human uses
αλιεία: Εμπορικό(ά); Υδατοκαλλιέργειες: Εμπορικό(ά); αλιεία αναψυχής: ναί
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Διαδικτυακές πηγές
Estimates based on models
Preferred temperature (Ref.
123201): 25 - 29.1, mean 28.2 °C (based on 1824 cells).
Phylogenetic diversity index (Ref.
82804): PD
50 = 0.5000 [Uniqueness, from 0.5 = low to 2.0 = high].
Bayesian length-weight: a=0.01514 (0.00985 - 0.02326), b=2.92 (2.80 - 3.04), in cm total length, based on LWR estimates for this species & Genus-body shape (Ref.
93245).
Τροφικό Επίπεδο (Ref.
69278): 4.2 ±0.6 se; based on diet studies.
Generation time: 6.9 (5.2 - 9.5) years. Estimated as median ln(3)/K based on 10
growth studies.
Ελαστικότητα (Ref.
120179): Μεσαίο(α), ελάχιστος χρόνος για διπλασιασμό πληθυσμού 1,4 - 4,4 έτη (K=0.13-0.38).
Prior r = 0.62, 95% CL = 0.41 - 0.93, Based on 2 stock assessments.
Fishing Vulnerability (Ref.
59153): High vulnerability (65 of 100).
Climate Vulnerability (Ref.
125649): Very high vulnerability (90 of 100).
Nutrients (Ref.
124155): Calcium = 19.6 [12.3, 28.3] mg/100g; Iron = 0.256 [0.165, 0.398] mg/100g; Protein = 18.9 [17.4, 20.2] %; Omega3 = 0.131 [0.095, 0.177] g/100g; Selenium = 69.1 [44.6, 104.8] μg/100g; VitaminA = 113 [19, 416] μg/100g; Zinc = 0.428 [0.346, 0.572] mg/100g (wet weight); based on
nutrient studies.
![Image of Lutjanus johnii (John\](/images/thumbnails/jpg/tn_Lujoh_u0.jpg "Image of Lutjanus johnii (John\")
