Environment: milieu / climate zone / depth range / distribution range
Ekologi
laut; oceanodromus (Ref. 51243); kisaran kedalaman 50 - 2743 m (Ref. 57178). Temperate; 5°C - 20°C (Ref. 168); 10°S - 60°S, 180°W - 180°E (Ref. 54921)
Atlantic, Indian and Pacific: temperate and cold seas, mainly between 30°S and 50°S, to nearly 60°S. During spawning, large fish migrate to tropical seas, off the west coast of Australia, up to 10°S. Highly migratory species. If the current exploitation continues, the population will be below 500 mature individuals in 100 years (Ref. 27905).
Length at first maturity / Size / Weight / umur
Maturity: Lm 122.0, range 120 - 130 cm
Max length : 245 cm FL jantan/; (Ref. 5203); common length : 160 cm FL jantan/; (Ref. 9684); Berat maksimum terpublikasi: 260.0 kg (Ref. 5203); Umur maksimum dilaporkan: 20 Tahun (Ref. 168)
vertebrata, bertulang belakang: 39. A very large species, deepest near the middle of the first dorsal fin base. Swim bladder present. Lower sides and belly silvery white with colorless transverse lines alternating with rows of colorless dots. The first dorsal fin is yellow or bluish; the anal fin and finlets are dusky yellow edged with black; the median caudal keel is yellow in adults.
By maturity, most southern bluefin tuna lead an oceanic, pelagic existence (Ref. 6390). Spawning fish and larvae are encountered in waters with surface temperatures between 20° and 30°C. An opportunistic feeder, preying on a wide variety of fishes, crustaceans, cephalopods, salps, and other marine animals. Mostly canned (Ref. 9684). A specialized fishery for sashimi-quality has been developed recently by New Zealand fishers. In Japan, it is highly prized for the sashimi markets.
It is not known whether all mature fish spawn each year, every few years, or even only once in their lifetime (Ref. 30320).
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)
Status IUCN Red List (Ref. 130435)
ancaman kepada manusia
Harmless
penggunaan manusia
Perikanan: komersial; Budidaya air: komersial; Ikan buruan: ya
informasi lanjut
mitraGambarStamps, Coins Misc.Suara-suaraCiguateraKecepatanTipe renangArea insangOtolithsOtakPenglihatan / visi
Alat, peralatan
laporan khas
muat turun XML
Sumber internet
Estimates based on models
Preferred temperature (Ref.
123201): 2.5 - 7.9, mean 5 °C (based on 439 cells).
Phylogenetic diversity index (Ref.
82804): PD
50 = 0.5039 [Uniqueness, from 0.5 = low to 2.0 = high].
Bayesian length-weight: a=0.01288 (0.01067 - 0.01556), b=3.03 (2.99 - 3.07), in cm total length, based on LWR estimates for this species (Ref.
93245).
Trophic level (Ref.
69278): 3.9 ±0.53 se; based on food items.
Daya lenting (Ref.
120179): Rendah, Waktu penggandaan populasi minimum 4.5 - 14 tahun (K=0.14-0.15; tm=8-9; tmax=20; Fec=14 million).
Prior r = 0.27, 95% CL = 0.18 - 0.41, Based on 1 stock assessment.
Fishing Vulnerability (Ref.
59153): High to very high vulnerability (67 of 100).
Climate Vulnerability (Ref.
125649): Moderate vulnerability (38 of 100).
Nutrients (Ref.
124155): Calcium = 9.89 [5.80, 19.12] mg/100g; Iron = 0.922 [0.355, 2.441] mg/100g; Protein = 23.2 [21.7, 24.6] %; Omega3 = 0.74 [0.44, 1.24] g/100g; Selenium = 31.2 [8.4, 97.4] μg/100g; VitaminA = 22 [3, 199] μg/100g; Zinc = 0.245 [0.131, 0.490] mg/100g (wet weight);
