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Scombriformes (Mackerels) >
Scombridae (Mackerels, tunas, bonitos) > Scombrinae
Etymology: Auxis: Greek, auxis = a variety of tunna (Ref. 45335).
Environment: milieu / climate zone / نطاق العمق / distribution range
البيئة
بحري pelagic-neritic. Tropical
Eastern Central Pacific.
الحجم / وزن / العمر
النضج: Lm ? range ? - ? cm
Max length : 40.0 cm FL ذكر/ مختلط الجنس; (Ref. 32349); common length : 35.0 cm TL ذكر/ مختلط الجنس; (Ref. 55763)
Body elongate, robust, and rounded; dorsal fins widely separated; second dorsal fin followed by 8 finlets; pectoral fins long, reaching front of naked area above corselet; scales only on corselet section; each side of caudal peduncle bearing a strong keel between two smaller keels; back dark bluish purple; head almost black; 15 or more vertical bars on naked dorsal region (Ref. 55763).
Body shape (shape guide): elongated; Cross section: other (see Diagnosi.
Life cycle and mating behavior
النضج | التكاثر | وضع البيض | بيض | الخصوبة | Larvae
Collette, B.B. and C.R. Aadland, 1996. Revision of the frigate tunas (Scombridae, Auxis), with descriptions of two new subspecies from the eastern Pacific. Fish. Bull. 94(3):423-441. (Ref. 32349)
IUCN Red List Status (Ref. 130435: Version 2025-1)
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مصادر علي الأنترنت
Estimates based on models
Phylogenetic diversity index (مرجع
82804): PD
50 = 0.5625 [Uniqueness, from 0.5 = low to 2.0 = high].
Bayesian length-weight: a=0.00316 (0.00136 - 0.00735), b=3.16 (2.95 - 3.37), in cm total length, based on LWR estimates for this (Sub)family-body shape (Ref.
93245).
مستوى غذائي (مرجع
69278): 4.3 ±0.5 se; based on size and trophs of closest relatives
المرونه (مرجع
120179): عالي, الحد الزمني الأدني لتضاعف عدد أفراد المجتمع أقل من 15 شهر (Assuming Fec>10,000).
Fishing Vulnerability (Ref.
59153): Low to moderate vulnerability (34 of 100).
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