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Eupercaria/misc (Various families in series Eupercaria) >
Lethrinidae (Emperors or scavengers) > Monotaxinae
Etymology: Gymnocranius: Greek, gymnos = naked + Greek, kranion = skull (Ref. 45335); indicus: Name from Latin translation of ‘Indian’, referring to the geographic distribution of this species, as inferred from the available records.
Environment: milieu / climate zone / depth range / distribution range
البيئة
بحري; نطاق العمق 18 - 25 m (Ref. 131644). Tropical
Indian Ocean: from Reunion I. and Seychelles (including Tanzania and Mauritius) to the Andaman Sea (Aceh) and Indonesia (off West Sumatra and West Java).
الحجم / وزن / العمر
Maturity: Lm ? range ? - ? cm
Max length : 29.1 cm SL ذكر/ مختلط الجنس; (Ref. 131644)
وصف مختصر
مفاتيح التعريف | الوصف الخارجي | قياسات المظهر الخارجي
الأشواك الظهرية (المجموع) : 10; الأشعة الظهرية الناعمة (المجموع) : 10; شوكة شرجية: 3; أشعه شرجية لينه: 10. This species is distinguished by the following characters: body shape oblong to elongate, SL/BDd ratio 2.7-3.1, forehead prominent; caudal fin is large, moderately forked with a subtle middle notch, its lobes slightly convex inside; flanks silvery; anal fin, caudal fin, dorsal fin, and pectoral fin reddish to red; distinctive dark patch above eye; protruding, large eyes (eye diameter reaching 37-40% of head length) (Ref. 131644).
Occurrence based on underwater sightings of solitary individuals at ca. 18-25 m depth on the outer slope of the reef off Saint-Gilles on the western coast of Reunion Island, above a bottom constituted by sand, lava boulders, and sparse coral colonies (Ref. 131644).
Life cycle and mating behavior
النضج | التكاثر | وضع البيض | بيض | الخصوبة | Larvae
Chen, W.-J., R. Miki, J. Nevill and P. Borsa, 2024. Gymnocranius indicus, a new large-eye seabream from the Indian Ocean. J. Mar. Biol. Ass. U.K. 104(e38):1-10. (Ref. 131644)
IUCN Red List Status (Ref. 130435: Version 2024-2)
استخدامات بشرية
أدوات
تقارير خاصة
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مصادر علي الأنترنت
Estimates based on models
Phylogenetic diversity index (Ref.
82804): PD
50 = No PD50 data [Uniqueness, from 0.5 = low to 2.0 = high].
مستوى غذائي (Ref.
69278): 3.4 ±0.6 se; based on size and trophs of closest relatives
المرونه (Ref.
120179): وسيط, الحد الزمني الأدني لتضاعف عدد أفراد المجتمع 1.4-4.4 سنة (Preliminary K or Fecundity.).
Fishing Vulnerability (Ref.
59153): Low to moderate vulnerability (26 of 100).
