>
Eupercaria/misc (Various families in series Eupercaria) >
Gerreidae (Mojarras)
Etymology: Gerres: Latin, gerres = a kind of anchovies; cited by Plinius.
More on author: Cuvier.
محیط زیست: محیط زیست / منطقه آب و هوایی / تغييرات عمق / محدوده توزیع
بوم شناسي
دريايي; آب شيرين; لب شور نزديك كف زي; هردو رو (Ref. 51243); تغييرات عمق 1 - 50 m (Ref. 4372). Tropical; 26°C - 29°C (Ref. 4959); 32°N - 35°S, 31°E - 171°E
Indo-West Pacific: East Africa and Madagascar to Japan and Australia; New Caledonia (Ref. 26587) and Vanuatu (Ref. 13300). Enters rivers and lakes in Madagascar and the east coast of Africa. Not in the Middle East (Ref. 103159).
طول در اولین بلوغ / اندازه / وزن / سن
بلوغ: Lm 19.0 range ? - ? cm
Max length : 39.0 cm TL جنس نر / بدون خواص جنسي; (Ref. 116875); common length : 15.0 cm SL جنس نر / بدون خواص جنسي; (Ref. 4967); بيشينه سن گزارش شده: 8 سال ها (Ref. 116875)
خارهاي باله پشتي (کل) : 9; شعاع نرم باله پشتي (کل) : 10 - 11; خارهاي باله مخرجي: 2 - 3; شعاع نرم باله مخرجي: 7 - 8.
Body shape (shape guide): fusiform / normal; Cross section: compressed.
Adults are coastal inhabitants found on soft bottoms (Ref. 44894), over sandy substrate (Ref. 12693). Juveniles are found in brackish mangrove estuaries, sometimes enter fresh water (Ref. 2847, 44894), lakes (Ref. 4323), tidal creeks (Ref. 44894) and lower freshwater reaches of rivers (Ref. 12915). Feed on small crustaceans, polychaetes and forams on sand or muddy-sand bottoms (Ref. 12915), worms and insect larvae (Ref. 12693). Length at first reproduction was reported to be around 12 cm SL, for a population in a South African estuary (D. Woodland, pers.comm. 07/13). Salted or made into fish sauce.
Juveniles enter estuaries and mangrove areas at 1 cm SL and stay until they reach maturity, at which stage they move out to sea (Ref. 36558).
Woodland, D.J., 1984. Gerreidae. In W. Fischer and G. Bianchi (eds.) FAO species identification sheets for fishery purposes. Western Indian Ocean fishing area 51. Vol. 2. [pag. var.]. FAO, Rome. (Ref. 3409)
وضعيت در فهرست قرمز IUCN (Ref. 130435: Version 2025-2 (Global))
خطر برای انسان ها
Harmless
استفاده انسانی
ماهي گيري – شيلات: ارزش تحاري اندك
ابزارها
گزارش های ويژه
بارگيری XML
منابع اينترنتي
تخمینها بر اساس مدلها
دمای ترجیحی (مرجع
123201): 24.8 - 29.1, mean 28.2 °C (based on 1220 cells).
شاخص تنوع فیلوژنتیکی (مرجع
82804): PD
50 = 0.5000 [Uniqueness, from 0.5 = low to 2.0 = high].
Bayesian length-weight: a=0.01230 (0.01006 - 0.01505), b=3.05 (3.01 - 3.09), in cm total length, based on LWR estimates for this species (Ref.
93245).
سطح تروفیک (مرجع
69278): 3.3 ±0.2 se; based on diet studies.
جهندگی (مرجع
120179): متوسط, كمينه زمان لازم براي دو برابر شدن جمعيت 4/1 – 4/4 سال (K=0.3-2.7; tmax=8;).
آسیبپذیری ماهیگیری (Ref.
59153): Low to moderate vulnerability (32 of 100).
🛈
مواد مغذی (Ref.
124155): Calcium = 140 [77, 253] mg/100g; Iron = 1 [1, 2] mg/100g; Protein = 18.7 [16.8, 20.5] %; Omega3 = 0.24 [0.13, 0.42] g/100g; Selenium = 47.4 [26.5, 88.1] μg/100g; VitaminA = 18.7 [5.9, 46.9] μg/100g; Zinc = 1.42 [0.97, 1.98] mg/100g (wet weight);
