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Eupercaria/misc (Various families in series Eupercaria) >
Lethrinidae (Emperors or scavengers) > Lethrininae
Etymology: Lethrinus: Greek, lethrinia, a fish pertaining to genus Pagellus.
Περιβάλλον: περιβάλλον / κλιματική ζώνη / εύρος βάθους / εύρος διανομής
Οικολογία
Θαλασσινό(ά) Υφαλόφιλο(α); μη μεταναστευτικό(ά); εύρος βάθους 2 - 100 m (Ref. 9710). Tropical; 28°N - 26°S, 32°E - 82°E
Indian Ocean: Red Sea and East Africa to Sri Lanka. References to this species from the Central Pacific probably refer to Lethrinus atkinsoni.
Μήκος κατά την πρώτη ωρίμανση / Μέγεθος / Βάρος / Ηλικία
Γεννητική Ωρίμανση: Lm ?, range 19 - ? cm
Max length : 65.0 cm TL αρσενικό/απροσδιόριστο; (Ref. 2295); common length : 40.0 cm TL αρσενικό/απροσδιόριστο; (Ref. 2295); μεγ. αναφερόμενη ηλικία: 27 έτη (Ref. 42001)
Σύντομη περιγραφή
Κλείδες προσδιορισμού | Μορφολογία | Μορφομετρία
Ραχιαίες άκανθες (συνολικά) : 10; Μαλακές ραχιαίες ακτίνες (συνολικά) : 9; Εδρικές άκανθες: 3; Μαλακές εδρικές ακτίνες: 8. Body color is yellow to greenish-blue, becoming lighter ventrally; usually with nine or ten dusky yellow-green or brown bars. The head is purplish gray, sometimes with a red blotch on the nape. A red bar is at the base of pectoral fin, sometimes extending broadly below and above the pectoral fin base to the edge of the operculum. The base of the upper and sometimes lower rays of pectoral fin is red. The base and tips of the pelvic fins are often red. The membranes of the dorsal fin is red (sometimes restricted to the base of the fins). The anal fin is whitish with the membranes between the forward rays often red. The caudal fin, especially the tips is reddish.
Body shape (shape guide): fusiform / normal; Cross section: oval.
Found over reef areas and adjacent sandy and seagrass areas (Ref. 30573, 41878). Feeds mainly on echinoderms (most frequently sea urchins), crustaceans and fishes; mollusks, tunicates, sponges, polychaetes and other worms are consumed in lesser quantities. A protogynous hermaphrodite (Ref. 55367). In most areas of the Red Sea, it is considered an excellent food fish but in certain areas of the Indian Ocean it may have an unpleasant 'coral' smell and taste (Ref. 2295, 11888). Utilized fresh for broiling and baking (Ref. 9987).
Sex change was found to commonly occur between the ages of 5 and 6 years (Ref. 2295). A diandric species (Ref. 55367). Length and age at sex change occur at 32 cm TL and 16 yrs, respectively (Ref. 55367).
Carpenter, K.E. and G.R. Allen, 1989. FAO Species Catalogue. Vol. 9. Emperor fishes and large-eye breams of the world (family Lethrinidae). An annotated and illustrated catalogue of lethrinid species known to date. FAO Fish. Synop. 125(9):118 p. Rome: FAO. (Ref. 2295)
Κατάσταση Κόκκινου Καταλόγου IUCN (Ref. 130435: Version 2025-2 (Global))
Απειλή για τον άνθρωπο
Harmless
Ανθρώπινες χρήσεις
αλιεία: πολύ εμπορικό; αλιεία αναψυχής: ναί
Εργαλεία
Ειδικές εκθέσεις
Λήψη XML
Διαδικτυακές πηγές
Εκτιμήσεις βάσει μοντέλων
Προτιμώμενη θερμοκρασία (Αναφ.
123201): 25.4 - 29.2, mean 27.5 °C (based on 406 cells).
Δείκτης φυλογενετικής ποικιλότητας (Αναφ.
82804): PD
50 = 0.5000 [Uniqueness, from 0.5 = low to 2.0 = high].
Bayesian length-weight: a=0.01349 (0.00836 - 0.02177), b=3.01 (2.88 - 3.14), in cm total length, based on LWR estimates for this species & Genus-body shape (Ref.
93245).
Τροφικό Επίπεδο (Αναφ.
69278): 3.7 ±0.30 se; based on food items.
Ελαστικότητα (Αναφ.
120179): Μεσαίο(α), ελάχιστος χρόνος για διπλασιασμό πληθυσμού 1,4 - 4,4 έτη (K=0.10-0.30; tm=3; tmax=27; Fec=26,700).
Prior r = 0.50, 95% CL = 0.33 - 0.75, Based on 3 data-limited stock assessments.
Ευπάθεια στην αλιεία (Ref.
59153): High vulnerability (65 of 100).
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Ευπάθεια στο κλίμα (Ref.
125649): High to very high vulnerability (73 of 100).
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Θρεπτικά συστατικά (Ref.
124155): Calcium = 30.7 [21.0, 41.6] mg/100g; Iron = 0.709 [0.463, 0.998] mg/100g; Protein = 19.8 [17.3, 22.0] %; Omega3 = 0.118 [0.084, 0.162] g/100g; Selenium = 50.7 [25.2, 78.7] μg/100g; VitaminA = 33 [7, 181] μg/100g; Zinc = 2.28 [1.74, 2.84] mg/100g (wet weight); based on
nutrient studies.
