>
Eupercaria/misc (Various families in series Eupercaria) >
Sciaenidae (Drums or croakers)
Etymology: Cynoscion: Greek, kyon = dog + Greek, odous = teeth + Greek, skion, skiaina = barbel, red mullet (Ref. 45335).
More on author: Cuvier.
محیط زیست: محیط زیست / منطقه آب و هوایی / تغييرات عمق / محدوده توزیع
بوم شناسي
دريايي; لب شور نزديك كف زي; تغييرات عمق ? - 30 m (Ref. 3702). Tropical; 15°N - 29°S, 78°W - 34°W
Western Atlantic: Venezuela to Santos, Brazil.
طول در اولین بلوغ / اندازه / وزن / سن
بلوغ: Lm 32.1  range ? - ? cm
Max length : 92.0 cm TL جنس نر / بدون خواص جنسي; (Ref. 3702); 78.0 cm TL (female); common length : 50.0 cm TL جنس نر / بدون خواص جنسي; (Ref. 3702); بيشينه وزن گزارش شده: 3.0 kg (Ref. 5217)
خارهاي باله پشتي (کل) : 11; شعاع نرم باله پشتي (کل) : 22 - 25; خارهاي باله مخرجي: 2; شعاع نرم باله مخرجي: 8 - 10. Silvery greenish to greyish on back, whitish on belly. Tip of dorsal fin darkish. Upper rays of pectoral fins, anterior part of anal fin and caudal fin yellowish. Mouth large, oblique, lower jaw projecting. Upper jaw with a pair of large canine-like teeth at tip. Gradually increasing in size posteriorly. Chin without barbel or pore, snout with 2 marginal pores. Gas bladder with a pair of long and straight horn-like appendages. Scales very small, all cycloid (smooth) with 140 or more transverse scales above lateral line. Soft portion of dorsal fin covered with scales beyond basal half of fin (Ref 51721).
Body shape (shape guide): fusiform / normal.
Usually found over mud and sandy bottoms in river estuaries and in marine areas from the coastline to about 30 m depth. Marketed mostly fresh.
چرخه زندگی و رفتار جفتگیری
بلوغ | تولید مثل | تخم ریزی | تخم ها | باروری | توزاد ( لارو)
Chao, L.N., 1978. Sciaenidae. In W. Fischer (ed.) FAO species identification sheets for fishery purposes. West Atlantic (Fishing Area 31). Volume 4. FAO, Rome. (Ref. 3702)
وضعيت در فهرست قرمز IUCN (Ref. 130435: Version 2025-2 (Global))
خطر برای انسان ها
Harmless
استفاده انسانی
ماهي گيري – شيلات: تجاري
ابزارها
گزارش های ويژه
بارگيری XML
منابع اينترنتي
تخمینها بر اساس مدلها
شاخص تنوع فیلوژنتیکی (مرجع 82804) |
PD50 = 0.5000 [Uniqueness, from 0.5 = low to 2.0 = high]. |
|
Bayesian length-weight
|
a=0.00741 (0.00492 - 0.01117), b=3.07 (2.95 - 3.19), in cm total length, based on LWR estimates for this species & Genus-body shape (Ref. 93245). |
سطح تروفیک (مرجع 69278) |
4.0 ±0.7 se; based on size and trophs of closest relatives |
|
Generation time |
7.3 ( na - na) years. Estimated as median ln(3)/K based on 1 growth studies. |
جهندگی (مرجع 120179) |
پايين ، كم, كمينه زمان لازم براي دو برابر شدن جمعيت 5/4 – 14 سال (Preliminary K or Fecundity.). |
آسیبپذیری ماهیگیری (Ref. 59153) |
High vulnerability (56 of 100). 🛈 |
طبقه قيمت (Ref. 80766) |
Medium.
|