Ecology Summary - Auxis thazard

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Sinh thái học của Auxis thazard

Thông tin chủ yếu	Collette, B.B. and C.E. Nauen, 1983
Các chú thích	Epipelagic in neritic and oceanic waters (Ref. 9340). Feeds on small fish, squids, planktonic crustaceans (megalops), and stomatopod larvae (Ref. 5213). Because of their abundance, they are considered an important element of the food web, particularly as forage for other species of commercial interest. Preyed upon by larger fishes, including other tunas (Ref. 9987). Confined to oceanic salinities with strong schooling behavior. Though larvae have a high temperature tolerance (at least between 21.6 and 30.5°C), the widest among tuna species studied, their optimum temperature is between 27 and 27.9°C.

Thông tin chủ yếu

Collette, B.B. and C.E. Nauen, 1983

Các chú thích

Epipelagic in neritic and oceanic waters (Ref. 9340). Feeds on small fish, squids, planktonic crustaceans (megalops), and stomatopod larvae (Ref. 5213). Because of their abundance, they are considered an important element of the food web, particularly as forage for other species of commercial interest. Preyed upon by larger fishes, including other tunas (Ref. 9987). Confined to oceanic salinities with strong schooling behavior. Though larvae have a high temperature tolerance (at least between 21.6 and 30.5°C), the widest among tuna species studied, their optimum temperature is between 27 and 27.9°C.

Aquatic zones / Water bodies

	Marine - Neritic	Marine - Oceanic	Brackishwater	Freshwater
Marine zones / Brackish and freshwater bodies	supra-littoral zone littoral zone sublittoral zone	epipelagic mesopelagic epipelagic abyssopelagic hadopelagic	Nước lợ/đầm phá/biẻn nước lợ mangroves marshes/swamps	rivers/streams lakes/ponds Các hang động riêng biệt

Highighted items on the list are where Auxis thazard may be found.

Habitat

Substrate
Substrate Ref.
Special habitats
Special habitats Ref.

Associations

Tài liệu tham khảo
Associations
Associated with
Association remarks
Parasitism

Cho ăn

Dạng thức ăn	mainly animals (troph. 2.8 and up)
Feeding type Ref.	Uchida, R.N., 1981
Nơi ăn mồi	hunting macrofauna (predator)
Feeding habit Ref.	Collette, B.B. and C.E. Nauen, 1983

Trophic Level(s)

Estimation method	Mẫu nguyên thủy (gốc)		Chủng quần không được khai thác		Chú thích
Estimation method	Troph	s.e.	Troph	s.e.	Chú thích
Từ thành phần dinh dưỡng	4.37	0.38	4.19	0.60	Troph of juv./adults from 2 studies.
Từ các loại thức ăn	4.36	0.73			Trophic level estimated from a number of food items using a randomized resampling routine.
Tài liệu tham khảo	Blaber, S.J.M., D.A. Milton, N.J.F. Rawlinson, G. Tiroba and P.V. Nichols, 1990

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