Euthynnus affinis, Kawakawa : fisheries, gamefish

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Euthynnus affinis (Cantor, 1849)

Kawakawa
إضافة ملاحظاتك Fish Watcher
Native range | All suitable habitat | Point map | Year 2050
This map was computer-generated and has not yet been reviewed.
Euthynnus affinis   AquaMaps   Data sources: GBIF OBIS
ارفع صور و مقاطع فيديو
صور | مقاطع فيديو | صور قوقل
Image of Euthynnus affinis (Kawakawa)
Euthynnus affinis
صورة بواسطة Field, R.


Jordan country information

Common names: Fatla
Occurrence: native
Salinity: marine
Abundance: | Ref:
Importance: | Ref:
Aquaculture: | Ref:
Regulations: | Ref:
Uses: no uses
Comments: In range Ref. 168.
National Checklist:
Country Information: https://www.cia.gov/library/publications/resources/the-world-factbook/geos/jo.html
National Fisheries Authority:
Occurrences: Occurrences Point map
Main Ref: Khalaf, M.A., 2004
National Database:

Common names from other countries

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

> Scombriformes (Mackerels) > Scombridae (Mackerels, tunas, bonitos) > Scombrinae
Etymology: Euthynnus: Greek, eu = good + Greek, thynnos = tunna (Ref. 45335).

Environment: milieu / climate zone / نطاق العمق / distribution range البيئة

بحري pelagic-neritic; محيطية (Ref. 51243); نطاق العمق 0 - 200 m (Ref. 54439). Tropical; 18°C - 29°C (Ref. 168); 35°N - 38°S, 19°E - 137°W (Ref. 54439)

التوزيع دول | مناطق الفاو | النظام البيئي | الظهور | نقطة علي الخريطة | مقدمة | Faunafri

Indo-West Pacific: in warm waters including oceanic islands and archipelagos. A few stray specimens have been collected in the Eastern Central Pacific. Highly migratory.

Length at first maturity / الحجم / وزن / العمر

النضج: Lm 42.3, range 40 - 65 cm
Max length : 100.0 cm FL ذكر/ مختلط الجنس; (Ref. 168); common length : 60.0 cm FL ذكر/ مختلط الجنس; (Ref. 168); أعلا وزن تم نشرة: 14.0 kg (Ref. 30874); العمر: 6 سنين (Ref. 121508)

وصف مختصر مفاتيح التعريف | الوصف الخارجي | قياسات المظهر الخارجي

الأشواك الظهرية (المجموع) : 10 - 15; الأشعة الظهرية الناعمة (المجموع) : 11 - 15; شوكة شرجية: 0; أشعه شرجية لينه: 11 - 15; فقرات: 39. This species is distinguished by the following characters: medium-sized fish with a robust, elongate and fusiform body; teeth small and conical, in a single series; total gill rakers on first gill arch 29-34; D1 XI-XIV with both dorsal fins separated by only a narrow interspace (not wider than eye), anterior spines of first fin much higher than those midway, giving fin a strongly concave outline; D2 much lower than first and followed by 8-10 finlets; anal fin followed by 6-8 finlets; pectoral fins short, never reaching interspace between dorsal fins; 2 flaps (interpelvic process) between pelvic fins; very slender caudal peduncle with a prominent lateral keel between 2 small keels at base of caudal fin; body naked except for corselet and lateral line. Colour of back dark blue with a complicated striped pattern which does not extend forward beyond middle of first dorsal fin; lower sides and belly silvery white; several characteristic dark spots between pelvic and pectoral fins (but may not always be present) (Ref. 9684, 90102).


Body shape (shape guide): fusiform / normal; Cross section: oval.

أحياء     المصطلحات (على سبيل المثال epibenthic)

Occurs in open waters but always remains close to the shoreline. The young may enter bays and harbors. Forms multi-species schools by size with other scombrid species comprising from 100 to over 5,000 individuals. A highly opportunistic predator feeding indiscriminately on small fishes, especially on clupeoids and atherinids; also on squids, crustaceans and zooplankton. Caught in multispecies fisheries, mainly by surface trolling; also with gill nets. Generally marketed canned and frozen; also utilized dried, salted, smoked and fresh (Ref. 9684).

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

المرجع الرئيسي Upload your references | مراجع | المنظم : Collette, Bruce B. | المتعاونين

Collette, B.B. and C.E. Nauen, 1983. FAO Species Catalogue. Vol. 2. Scombrids of the world. An annotated and illustrated catalogue of tunas, mackerels, bonitos and related species known to date. Rome: FAO. FAO Fish. Synop. 125(2):137 p. (Ref. 168)

IUCN Red List Status (Ref. 130435: Version 2025-1)

  Least Concern (LC) ; Date assessed: 01 March 2022

CITES

Not Evaluated

CMS (Ref. 116361)

Not Evaluated

خطر للأنسان

  Reports of ciguatera poisoning (Ref. 30911)





استخدامات بشرية

مصائد: ذو قيمة تاجرية عالية; لعبة سمكه: نعم

مزيد من المعلومات

علم البيئة الغذائية
Food items (preys)
التركيبة الغذائية
استهلاك الأغذية
Food rations
مفتريسات
البيئة
البيئة
Home ranges
Population dynamics
معاملات النمو
Max. ages / sizes
Length-weight rel.
Length-length rel.
الطول- الترددات
Mass conversion
توظيف
الوفرة
Life cycle
التكاثر
النضج
Maturity/Gills rel.
الخصوبة
وضع البيض
Spawning aggregations
بيض
تطور البيضة
Larvae
حركة انتقال اليرقات
Anatomy
منطقة الخياشيم
Brain
Otolith
جيني
الوراثة
جيني
Heterozygosity
التوريث
Human related
Aquaculture systems
ملامح تربية الأحياء المائية
سلالات
Ciguatera cases
Stamps, coins, misc.
مراجع
مراجع

أدوات

تقارير خاصة

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مصادر علي الأنترنت

Estimates based on models

Preferred temperature (مرجع 123201): 20.7 - 28.5, mean 26.9 °C (based on 1384 cells).
Phylogenetic diversity index (مرجع 82804):  PD50 = 0.6250   [Uniqueness, from 0.5 = low to 2.0 = high].
Bayesian length-weight: a=0.01000 (0.00867 - 0.01154), b=3.05 (3.01 - 3.09), in cm total length, based on LWR estimates for this species (Ref. 93245).
مستوى غذائي (مرجع 69278):  4.5   ±0.0 se; based on diet studies.
Generation time: 1.6 (1.2 - 2.5) years. Estimated as median ln(3)/K based on 11 growth studies.
المرونه (مرجع 120179):  وسيط, الحد الزمني الأدني لتضاعف عدد أفراد المجتمع 1.4-4.4 سنة (K=0.4-0.5; tm=3; Fec=210,000).
Prior r = 0.88, 95% CL = 0.58 - 1.32, Based on 5 full stock assessments.
Fishing Vulnerability (Ref. 59153):  Moderate vulnerability (36 of 100). 🛈
Climate Vulnerability (Ref. 125649):  High to very high vulnerability (75 of 100). 🛈
فئة السعر (Ref. 80766):   Medium.
Nutrients (Ref. 124155):  Calcium = 20.9 [9.6, 171.3] mg/100g; Iron = 2.28 [0.88, 5.97] mg/100g; Protein = 23.1 [21.1, 24.7] %; Omega3 = 0.235 [0.129, 0.428] g/100g; Selenium = 70.6 [35.4, 143.5] μg/100g; VitaminA = 20.2 [5.4, 77.8] μg/100g; Zinc = 0.408 [0.211, 1.643] mg/100g (wet weight); based on nutrient studies.