Environment: milieu / climate zone / kisaran kedalaman / distribution range
Ekologi
laut berasosiasi dengan karang; nir-ruaya; kisaran kedalaman 15 - 80 m (Ref. 2295). Tropical; 35°N - 9°S
Indo-West Pacific: southern Japan to the Indo-Malaysian region, probably eastward to India. Has often been confused w/ the young of Gymnocranius grandoculis, hence its distributional limits are somewhat obscure. Records of Gymnocranius griseus from the Western Indian Ocean probably pertain to Gymnocranius grandoculis.
Size / Weight / umur
Kematangan: Lm ? range ? - ? cm
Max length : 35.0 cm TL jantan/; (Ref. 2295); common length : 25.0 cm TL jantan/; (Ref. 2295)
Duri punggung (Keseluruhan (total)) : 10; duri punggung lunak (Keseluruhan (total)) : 9 - 10; Duri dubur: 3; Sirip dubur lunak: 9 - 10.
Body shape (shape guide): fusiform / normal; Cross section: oval.
In sheltered coastal bays and sand and mud slopes in depths over 20 m (Ref. 48635); also in coastal trawling grounds. Juveniles sometimes in shallow estuaries on algae reefs (Ref. 48635). Sometimes forms schools. Feeds on bottom-living invertebrates. Sexually mature upon reaching 15-17 cm SL. Sometimes caught with handlines and marketed dried (Ref. 9775) or fresh. In Hong Kong live fish markets (Ref. 27253).
Life cycle and mating behavior
Kematangan | Reproduksi, perkembang biakan | Pemijahan | telur-telur | Fecundity | Larva
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)
Status IUCN Red List (Ref. 130435: Version 2025-1)
ancaman kepada manusia
Harmless
penggunaan manusia
Perikanan: komersial; Ikan buruan: ya
Alat, peralatan
laporan khas
muat turun XML
Sumber internet
Estimates based on models
Preferred temperature (Acuan
123201): 24.2 - 28.8, mean 28.1 °C (based on 445 cells).
Phylogenetic diversity index (Acuan
82804): PD
50 = 0.5005 [Uniqueness, from 0.5 = low to 2.0 = high].
Bayesian length-weight: a=0.01698 (0.00734 - 0.03932), b=2.98 (2.79 - 3.17), in cm total length, based on LWR estimates for this (Sub)family-body shape (Ref.
93245).
Trophic level (Acuan
69278): 3.2 ±0.44 se; based on food items.
Generation time: 5.0 ( na - na) years. Estimated as median ln(3)/K based on 1
growth studies.
Daya lenting (Acuan
120179): sedang, Waktu penggandaan populasi minimum 1.4 - 4.4 tahun (K=0.22).
Fishing Vulnerability (Ref.
59153): Moderate vulnerability (38 of 100).
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Nutrients (Ref.
124155): Calcium = 39.5 [20.2, 69.1] mg/100g; Iron = 0.519 [0.283, 0.847] mg/100g; Protein = 19.2 [17.2, 21.2] %; Omega3 = 0.128 [0.075, 0.187] g/100g; Selenium = 34.9 [21.0, 60.2] μg/100g; VitaminA = 81.5 [24.8, 238.5] μg/100g; Zinc = 1.32 [0.94, 1.79] mg/100g (wet weight);
