Environment: milieu / climate zone / depth range / distribution range
বাস্তুসংস্থান
সামুদ্রিক; ঈষৎ লোনা তলদেশ বিহারী; গভীরতার পরিসীমা 10 - 70 m (Ref. 10799). Tropical; 21°N - 18°S, 27°W - 14°E (Ref. 57343)
Eastern Atlantic: Senegal to Angola (Ref. 57402). Also reported from Mauritania (Ref. 10799) and Cape Verde (Ref. 27000). Reported from Cuba based on a single specimen; no other specimens taken from the western Atlantic (Ref. 57343).
Length at first maturity / আকৃতি / ওজন / Age
Maturity: Lm 15.0 range ? - 17 cm
Max length : 35.0 cm TL পুরুষ/ লিঙ্গ অনিধর্ারিত ; (Ref. 57402); common length : 25.0 cm TL পুরুষ/ লিঙ্গ অনিধর্ারিত ; (Ref. 3659)
পৃষ্ঠীয় কাঁটা (মোট ) : 9; পৃষ্ঠীয় নরম পাখনা দন্ড (মোট ) : 14 - 18; পায়ূ কাঁটা : 3; পায়ূর নরম পাখনা্তুন্ড: 28 - 30. Diagnosis: detached pectoral filaments very long, exceeding body length; base of anal fin much longer than base of 2nd dorsal fin; body moderately elongate and compressed, its height comprised 3.0-3.4 in standard length; snout very short, blunt and prominent; mouth inferior; maxillary bone strongly widened at its end, reaching largely past eye; 2 widely separated dorsal fins, 1st with 8 flexible spines, 2nd with 1 spine and 14-18 soft rays; anal fin base much longer than 2nd dorsal fin base; pectoral fin inserted very low on body; threadlike filaments, 5 in number, 4 of them longer than total length of fish; scales ctenoid; head scaly (Ref. 57402).
Coloration: body uniformly silvery, greyish on back, shading to whitish ventrally; fins tinged with yellow (Ref. 57402).
Occurs over sandy (Ref. 2683) and muddy bottoms in shallow waters (Ref. 57343), frequently in brackish waters (Ref. 57343, 57402) and estuaries (Ref. 57402). Carnivorous (Ref. 57402), feeds on fish and shrimps (Ref. 28587).
Life cycle and mating behavior
Maturities | প্রজনন | Spawnings | Egg(s) | Fecundities | শুককীট
Motomura, H., 2004. Threadfins of the world (Family Polynemidae). An annotated and illustrated catalogue of polynemid species known to date. FAO Spec. Cat. Fish. Purp. Rome: FAO. 3:117 p. (Ref. 57343)
IUCN Red List Status (Ref. 130435)
Threat to humans
Harmless
Human uses
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ইন্টারনেট সুত্র
Estimates based on models
Preferred temperature (Ref.
123201): 20.2 - 27.9, mean 25.8 °C (based on 70 cells).
Phylogenetic diversity index (Ref.
82804): PD
50 = 1.0000 [Uniqueness, from 0.5 = low to 2.0 = high].
Bayesian length-weight: a=0.00398 (0.00237 - 0.00669), b=3.13 (2.98 - 3.28), in cm total length, based on LWR estimates for this species & (Sub)family-body (Ref.
93245).
ট্রফিক পর্যায়ে (Ref.
69278): 3.6 ±0.57 se; based on food items.
স্থিতিস্থাপক (Ref.
120179): উচ্চ, সর্বনিম্ন প্রজন দ্বিগুনের সময় ১৫ মাস (K=0.72).
Fishing Vulnerability (Ref.
59153): Low to moderate vulnerability (31 of 100).
Climate Vulnerability (Ref.
125649): High to very high vulnerability (75 of 100).
Nutrients (Ref.
124155): Calcium = 194 [95, 369] mg/100g; Iron = 1.34 [0.67, 2.39] mg/100g; Protein = 19.5 [18.0, 21.1] %; Omega3 = 0.274 [0.169, 0.428] g/100g; Selenium = 64.3 [33.4, 126.3] μg/100g; VitaminA = 11.4 [5.1, 25.3] μg/100g; Zinc = 1.44 [1.00, 2.11] mg/100g (wet weight);
