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Eupercaria/misc (Various families in series Eupercaria) >
Lutjanidae (Snappers) > Caesioninae
Etymology: Gymnocaesio: Greek, gymnos = naked + Latin, caesius, bluish-grey, 1835; it is the same name given to the silvery metal (Cs) (Ref. 45335).
More on author: Bleeker.
Umwelt: Milieu / Klimazone / Tiefenbereich / Verbreitungsgebiet
Ökologie
seewasser riff-verbunden; standorttreu; tiefenbereich 0 - 500 m (Ref. 402). Tropical; 31°N - 30°S, 32°E - 177°W (Ref. 402)
Indo-West Pacific: Red Sea and East Africa to Fiji, north to the Philippines.
Größe / Gewicht / Alter
Geschlechtsreife: Lm ?  range ? - ? cm
Max length : 18.0 cm TL Männchen/unbestimmt; (Ref. 402)
Rückenflossenstacheln (insgesamt) : 10 - 11; Rückenflossenweichstrahlen (insgesamt) : 14 - 16; Afterflossenstacheln: 3; Afterflossenweichstrahlen: 11 - 13.
Body shape (shape guide): fusiform / normal; Cross section: compressed.
Inhabits coastal areas around coral reefs (Ref. 30573). Feeds on zooplankton in large midwater aggregations. Forms schools with members of the genus Pterocaesio. Oviparous, with numerous, small pelagic eggs (Ref. 402). Often mistaken for juveniles and easily overlooked because of small size (Ref. 48636). Also caught with drive-in nets. Utilized as tuna bait fish (Ref. 30573).
Lebenszyklus und Paarungsverhalten
Geschlechtsreife | Fortpflanzung | Ablaichen | Eier | Fruchtbarkeit | Larven
Carpenter, K.E., 1987. Revision of the Indo-Pacific fish family Caesionidae (Lutjanoidea), with descriptions of five new species. Indo-Pac. Fish. (15):56 p. (Ref. 1723)
IUCN Rote Liste Status (Ref. 130435: Version 2025-2 (Global))
Bedrohung für Menschen
Harmless
Nutzung durch Menschen
Fischereien: weniger kommerziell; Köder: usually
Tools
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Internet Quellen
Schätzungen auf der Grundlage von Modellen
Bevorzugte Temperatur (Ref.
123201): 15 - 27.8, mean 23.6 °C (based on 824 cells).
Phylogenetischer Diversitätsindex (Ref.
82804): PD
50 = 1.0000 [Uniqueness, from 0.5 = low to 2.0 = high].
Bayesian length-weight: a=0.01202 (0.00536 - 0.02697), b=3.07 (2.88 - 3.26), in cm total length, based on LWR estimates for this (Sub)family-body shape (Ref.
93245).
Trophische Ebene (Ref.
69278): 3.4 ±0.45 se; based on food items.
Widerstandsfähigkeit (Ref.
120179): hoch, Verdopplung der Population dauert weniger als 15 Monate. (Preliminary K or Fecundity.).
Anfälligkeit der Fischerei (Ref.
59153): Low vulnerability (10 of 100).
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Nährstoffe (Ref.
124155): Calcium = 55.4 [28.9, 90.2] mg/100g; Iron = 0.643 [0.377, 1.064] mg/100g; Protein = 18.4 [17.2, 19.5] %; Omega3 = 0.18 [0.11, 0.30] g/100g; Selenium = 38.6 [18.5, 75.8] μg/100g; VitaminA = 250 [80, 800] μg/100g; Zinc = 1.44 [0.97, 2.05] mg/100g (wet weight);