Environment: milieu / climate zone / গভীরতার পরিসীমা / distribution range
বাস্তুসংস্থান
সামুদ্রিক pelagic-oceanic; মহাসাগরে বিচরনক্ষম (Ref. 51243); গভীরতার পরিসীমা 0 - 1830 m (Ref. 86942), usually 0 - 350 m (Ref. 89423). Subtropical; 43°N - 56°S, 20°E - 68°W
Indian and Pacific: tropical and temperate waters. Although some stray individuals are found in the Atlantic Ocean, this species is believed to have its spawning grounds and principal populations only in the Pacific and Indian Oceans. Highly migratory species.
আকৃতি / ওজন / Age
পরিপক্কতা : Lm ? range ? - ? cm
Max length : 230 cm TL পুরুষ/ লিঙ্গ অনিধর্ারিত ; (Ref. 9308); common length : 190 cm TL পুরুষ/ লিঙ্গ অনিধর্ারিত ; (Ref. 9308); সবের্াচ্চ প্রকাশিত ওজন : 52.0 kg (Ref. 43)
পৃষ্ঠীয় কাঁটা (মোট ) : 0; পৃষ্ঠীয় নরম পাখনা দন্ড (মোট ) : 51 - 57; পায়ূ কাঁটা : 0; পায়ূর নরম পাখনা্তুন্ড: 18 - 23. Dark blue above, blue splattered with brown on the sides, silvery white below; 1st dorsal fin plain dark blue, other fins brown or dark brown; anal fin bases with tinges of silvery white.
Body shape (shape guide): elongated.
Oceanic and epipelagic, found above the thermocline (Ref. 9308). Feeds on fishes, cephalopods and crustaceans. Also caught as a by-catch of long lines with hooks intended for tuna. Marketed frozen and prepared as fish cakes and sashimi in Japan (Ref. 9308). Also prepared as sausages.
Life cycle and mating behavior
পরিপক্কতা | প্রজনন | ডিম ছাড়া | ডিমসমূহ | ডিম্বধারন ক্ষমতা | শুককীট
Spawning is believed to occur mainly during the winter months, especially in warm offshore currents with surface temperature of about 25°C.
Nakamura, I., 1985. FAO species catalogue. Vol. 5. Billfishes of the world. An annotated and illustrated catalogue of marlins, sailfishes, spearfishes and swordfishes known to date. FAO Fish. Synop. 125(5):65p. Rome: FAO. (Ref. 43)
IUCN Red List Status (Ref. 130435: Version 2025-1)
Threat to humans
Harmless
Human uses
মৎস্য: গৌণ বাণিজ্যিক ; শিকারযোগ্য মাছ: হঁ্যা
হাতিয়ার
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ইন্টারনেট সুত্র
Estimates based on models
Preferred temperature (সূত্র
123201): 13.9 - 28.8, mean 26.2 °C (based on 5116 cells).
Phylogenetic diversity index (সূত্র
82804): PD
50 = 0.5630 [Uniqueness, from 0.5 = low to 2.0 = high].
Bayesian length-weight: a=0.00457 (0.00227 - 0.00920), b=3.21 (3.02 - 3.40), in cm total length, based on LWR estimates for this species & (Sub)family-body (Ref.
93245).
ট্রফিক পর্যায়ে (সূত্র
69278): 4.5 ±0.76 se; based on food items.
স্থিতিস্থাপক (সূত্র
120179): মাধ্যম , সর্বনিম্ন প্রজন দ্বিগুনের সময় ১.৪-৪.৪ বৎসর (Assuming tm=2-4).
Fishing Vulnerability (Ref.
59153): Very high vulnerability (90 of 100).
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Climate Vulnerability (Ref.
125649): Moderate vulnerability (45 of 100).
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Nutrients (Ref.
124155): Calcium = 35.6 [15.9, 65.1] mg/100g; Iron = 1.07 [0.56, 2.01] mg/100g; Protein = 19.6 [18.3, 20.8] %; Omega3 = 0.296 [0.155, 0.612] g/100g; Selenium = 69.5 [32.9, 148.9] μg/100g; VitaminA = 5.16 [1.47, 18.59] μg/100g; Zinc = 0.345 [0.222, 0.536] mg/100g (wet weight);
