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> Eupercaria/misc (Various families in series Eupercaria) > Sciaenidae (Drums or croakers)
Etymology: javaensis:Name 'javaensis' from the type locality of the new species, west and central southern Java. Eponymy: Rev Dr Christoph Samuel John (1747–1813) was a botanist and herpetologist and a medical missionary (1771–1813) at the Danish trading station of Tranquebar (now Tharangambadi), Tamil Nadu, not far from Madras (Chennai). [...] (Ref. 128868), visit book page.
البيئة: الوسط / المنطقة المناخية / نطاق العمق / نطاق التوزيع البيئة
النضج: Lm? range ? - ? cm Max length : 11.5 cm SL ذكر/ مختلط الجنس; (Ref. 138397); 12.1 cm SL (female)
وصف مختصر مفاتيح التعريف | الوصف الخارجي | قياسات المظهر الخارجي
الأشواك الظهرية (المجموع) : 6; الأشعة الظهرية الناعمة (المجموع) : 30 - 32; شوكة شرجية: 2; أشعه شرجية لينه: 7; فقرات: 25. This species is distinguished from its congeners by the following set of characters: five vesicular mental barbels on the chin; 11 or 12 swim-bladder appendages, and the ventral margin of the sagitta head expanded into a distinct convexity (Ref. 138397). Body shape (shape guide): fusiform / normal; Cross section: oval.
دورة الحياة وسلوك التزاوج النضج | التكاثر | وضع البيض | بيض | الخصوبة | اليرقات
Lin, B., J.J. Pogonoski, Fahmi, K. Wibowo, N.L. Chao and M. Seymour, 2025. Johnius javaensis, a new species of croaker (Acanthuriformes, Sciaenidae) from the southern coast of Java, Indonesia. ZooKeys 1259: 169-183. (Ref. 138397)
حالة القائمة الحمراء للاتحاد الدولي لحفظ الطبيعة والموارد الطبيعية (Ref. 130435: Version 2025-2 (Global))
