Gerres longirostris, Strongspine silver-biddy : fisheries

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Gerres longirostris (Lacepède, 1801)

Strongspine silver-biddy
إضافة ملاحظاتك Fish Watcher
Native range | All suitable habitat | Point map | Year 2050
This map was computer-generated and has not yet been reviewed.
Gerres longirostris   AquaMaps   Data sources: GBIF OBIS
ارفع صور و مقاطع فيديو
Pictures | صور قوقل
Image of Gerres longirostris (Strongspine silver-biddy)
Gerres longirostris
Picture by Moosleitner, H.

التصنيف / Names الأسماء الشائعة | مرادفات | Catalog of Fishes(جنس, الانواع) | ITIS | CoL | WoRMS | Cloffa

> Eupercaria/misc (Various families in series Eupercaria) > Gerreidae (Mojarras)
Etymology: Gerres: Latin, gerres = a kind of anchovies; cited by Plinius.
More on author: Lacepède.

Environment: milieu / climate zone / depth range / distribution range البيئة

بحري; المياه العذبة; مياه مخلوطة مرتبطة بالشعاب; مهاجرة بين الياه الملحه و الحلوة لكن ليس للتزاوج (Ref. 51243); نطاق العمق 0 - 50 m (Ref. 86942). Tropical; 32°N - 36°S, 24°E - 170°W

التوزيع دول | مناطق الفاو | النظام البيئي | الظهور | Point map | مقدمة | Faunafri

Indo-Pacific: Red Sea and South Africa to the Marquesas Islands, north to the Ryukyu Islands, south to Australia. Also reported from Persian Gulf (Ref. 68964).

Length at first maturity / الحجم / وزن / العمر

Maturity: Lm 20.6  range ? - ? cm
Max length : 44.5 cm TL ذكر/ مختلط الجنس; (Ref. 90102); common length : 20.0 cm TL ذكر/ مختلط الجنس; (Ref. 5450)

وصف مختصر الوصف الخارجي | قياسات المظهر الخارجي

الأشواك الظهرية (المجموع): 9; الأشعة الظهرية الناعمة (المجموع): 10; شوكة شرجية 3; أشعه شرجية لينه: 7. Live specimens' head and trunk sides olive-green above, becoming silvery below; snout region blackish dorsally; dorsal fin membrane with faint black blotches or small spots at each spine and ray, just above edge of scaly basal sheath, silvery anteriorly on 1st-5th dorsal spine, grading to hyaline on spinous and soft dorsal fin; anal fin scaly basal sheath silver; distal part of pelvic fin between 1st-5th soft rays often white or hyaline for 1/5-1/3 of ray length, other parts hyaline or slightly yellowish; pectoral and anal fins hyaline. Caudal fin dusky with broad darker margin posteriorly which may be indistinct in old or poorly preserved specimens; ventral edge of lower caudal fin lobe white or bluish-white. Generally, body with prominent dark stripes along scale rows above lateral line (distinct in preserved specimens); 4-9 somewhat oblique dusky bars or columns of ovoid dark spots immediately below lateral line in specimens over 10 cm SL (dusky bars on less than 10 cm) but more apparent in preserved or stressed individuals. Scales between 5th dorsal fin spine base and lateral line 5-6.5 (modally 5.5). Upper jaw extending vertically beyond anteriormost margin of dermal eye opening, sometimes reaching to vertical at anterior margin of pupil. Second dorsal fin spine longest, 17-25% SL (Ref. 41108, 4372). Pre-opercle lower flange scaled. Body depth max 2.3-2.8 in SL. Pectoral fins reaches to or beyond level of anal-fin origin; caudal fin forked deeply (Ref. 90102). Pelvic fin of Red Sea specimens solid yellow with a narrow white distal margin; anal fin with a yellow tinge between the first rays; pectoral fin base with a dark brown spot (Horst Moosleitner, personal communication, homosub@aon.at). Examination of the meristic and morphometric data of the syntypes of G. lineolatus and G. rueppellii, and holotype of G. darnleyense showed all these are subadult or young specimens of G. longirostris (Ref. 41108).

أحياء     المصطلحات (على سبيل المثال epibenthic)

Adults often in clear coastal waters up to about 50 m depth; juveniles often in estuaries or lagoons influenced by fresh water (Ref. 41108); they prefer shallow waters over sandy bottoms, from coral reefs to brackish waters (Ref. 30573). Fry about 10 cm in length enter the estuaries and stay until they reach maturity (Ref. 34363). Occur singly or in groups (Ref. 9710). Feed on small bottom invertebrates (Ref. 3409). In the Gilberts, the species forms spawning aggregations for a few days around the new moon (Ref. 37816). Sold fresh in markets; processed into fishmeal. Also taken with stake-nets (Ref. 3409).

Life cycle and mating behavior النضج | التكاثر | وضع البيض | بيض | الخصوبة | Larvae

المرجع الرئيسي Upload your references | مراجع | المنظم : Woodland, David J. | المتعاونين

Iwatsuki, Y., S. Kimura and T. Yoshino, 2001. Redescription of Gerres longirostris (Lacepède, 1801) and Gerres oblongus Cuvier in Cuvier and Valenciennes, 1830, included in the Gerres longirostris complex (Perciformes: Gerreidae). Copeia 2001(4):954-965. (Ref. 41108)

IUCN Red List Status (Ref. 130435)

  Least Concern (LC) ; Date assessed: 02 March 2015

CITES

Not Evaluated

CMS (Ref. 116361)

Not Evaluated

خطر للأنسان

  Harmless





استخدامات بشرية

مصائد: تجاري
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مصادر علي الأنترنت

Estimates based on models

Preferred temperature (Ref. 123201): 24.7 - 29.3, mean 28.5 °C (based on 3461 cells).
Phylogenetic diversity index (Ref. 82804):  PD50 = 0.5000   [Uniqueness, from 0.5 = low to 2.0 = high].
Bayesian length-weight: a=0.01047 (0.00612 - 0.01792), b=3.05 (2.91 - 3.19), in cm total length, based on LWR estimates for this species & Genus-body shape (Ref. 93245).
مستوى غذائي (Ref. 69278):  3.5   ±0.34 se; based on food items.
المرونه (Ref. 120179):  وسيط, الحد الزمني الأدني لتضاعف عدد أفراد المجتمع 1.4-4.4 سنة (tmax=9; k=0.23-0.29; tm=1.5).
Fishing Vulnerability (Ref. 59153):  Low to moderate vulnerability (30 of 100).
فئة السعر (Ref. 80766):   Medium.
Nutrients (Ref. 124155):  Calcium = 41.9 [19.9, 71.8] mg/100g; Iron = 0.5 [0.2, 0.9] mg/100g; Protein = 19.5 [17.6, 21.4] %; Omega3 = 0.146 [0.083, 0.247] g/100g; Selenium = 30.9 [17.0, 54.2] μg/100g; VitaminA = 72 [19, 228] μg/100g; Zinc = 1.33 [0.91, 1.87] mg/100g (wet weight);