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Ovalentaria/misc (Various families in series Ovalentaria) >
Ambassidae (Asiatic glassfishes)
Etymology: Ambassis: Derived from Greek, anabasis = climbing up (Ref. 45335).
More on author: Lacepède.
Issue
Considered as a nomen dubium by Anderson & Heemstra, 2003 (Ref. 50956:200); no types known and illustration and description were found undiagnostic.
Environment: milieu / climate zone / نطاق العمق / distribution range
البيئة
بحري; المياه العذبة; مياه مخلوطة القاع; pH range: 7.2 - 8.2; مهاجرة بين الياه الملحه و الحلوة لكن ليس للتزاوج (Ref. 51243). Tropical; 22°C - 28°C (Ref. 12468)
Indo-West Pacific: South and East Africa, including Mauritius, Réunion, Madagascar and Seychelles, to Philippines, north to India, south to northern Australia (Ref. 33390). Extends south on African coast at least to Algoa Bay, South Africa (Ref. 4318).
الحجم / وزن / العمر
النضج: Lm ? range ? - ? cm
Max length : 16.0 cm TL ذكر/ مختلط الجنس; (Ref. 4180)
الأشواك الظهرية (المجموع) : 7 - 8; الأشعة الظهرية الناعمة (المجموع) : 8 - 10; شوكة شرجية: 3; أشعه شرجية لينه: 8 - 10.
Body shape (shape guide): fusiform / normal; Cross section: oval.
Fairly common in marine and fresh waters (Ref. 4180); found in shallow waters; common in estuaries; may enter lower reaches of rivers. Can tolerate fresh water only within a narrow temperature (23-26°C). Feeds mainly at night on crustaceans, but also takes small fishes, fish eggs and larvae in estuaries (Ref. 7248). Marketed dried, salted and fresh (Ref.97399).
Life cycle and mating behavior
النضج | التكاثر | وضع البيض | بيض | الخصوبة | Larvae
Maugé, L.A., 1986. Ambassidae. p. 297-298. In J. Daget, J.-P. Gosse and D.F.E. Thys van den Audenaerde (eds.) Check-list of the freshwater fishes of Africa (CLOFFA). ISNB, Brussels; MRAC, Tervuren; and ORSTOM, Paris. Vol. 2. (Ref. 4180)
IUCN Red List Status (Ref. 130435: Version 2025-1)
استخدامات بشرية
مصائد: غير مهمة تجارياً; طعم: occasionally
أدوات
تقارير خاصة
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مصادر علي الأنترنت
Estimates based on models
Preferred temperature (مرجع
123201): 24.2 - 29.1, mean 28.1 °C (based on 1254 cells).
Phylogenetic diversity index (مرجع
82804): PD
50 = 0.5000 [Uniqueness, from 0.5 = low to 2.0 = high].
Bayesian length-weight: a=0.01259 (0.00746 - 0.02125), b=3.02 (2.88 - 3.16), in cm total length, based on LWR estimates for this species & Genus-body shape (Ref.
93245).
مستوى غذائي (مرجع
69278): 3.9 ±0.56 se; based on food items.
Generation time: 0.9 ( na - na) years. Estimated as median ln(3)/K based on 1
growth studies.
المرونه (مرجع
120179): عالي, الحد الزمني الأدني لتضاعف عدد أفراد المجتمع أقل من 15 شهر (k=1.20).
Fishing Vulnerability (Ref.
59153): Low vulnerability (12 of 100).
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