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Carangaria/misc (Various families in series Carangaria) >
Polynemidae (Threadfins)
Etymology: Polynemus: Greek, poly = a lot of + Greek,nema = filament (Ref. 45335); melanochir: Name meaning 'freshwater' in reference to its type locality, Tonle Sap Lake (Ref. 43351).
More on author: Valenciennes.
Environment: milieu / climate zone / depth range / distribution range
生態学
; 新鮮な水; 汽水性の 底生の. Tropical; 24°C - 28°C (Ref. 13614)
Asia: Mekong River system at least as far as Can Tho, Viet Nam and from the Bassac River at least as far as My Tho, Viet Nam. Reported from Indonesia (Ref. 5978).
サイズ / 重さ / 年齢
Maturity: Lm ?  range ? - ? cm
Max length : 25.0 cm SL オス/雌雄の選別がない; (Ref. 12693)
背面の脊椎 (合計): 8 - 9; 背鰭 (合計): 16; 肛門の骨 3; 臀鰭: 11 - 12. Head and body grayish-black dorsally, pale whitish-yellow ventrally. Snout long, strongly pointed (7% of SL). Pectoral filaments 7, the last probably the longest. Upper caudal fin lobe short (34-35% of SL). Swim bladder absent (Ref. 43351).
Inhabit lower sections of rivers. Can probably be found in estuaries (Ref. 9685). Important food fish in along the Mekong River and its related rivers (Ref. 57343).
Life cycle and mating behavior
成熟 | 繁殖 | 放精 | 卵 | 生産力 | 幼生
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)
Human uses
より多くの情報
共通名の類義語代謝捕食動物生態毒性繁殖成熟放精卵の集合体生産力卵卵の開発
Age/Size成長体長-重さLength-length体長組成形態計測学形態学幼生幼生の動力補充豊度BRUVS
参考文献水産養殖水産養殖の紹介緊張遺伝子のElectrophoreses遺伝病気行列NutrientsMass conversion
協力者画像Stamps, Coins Misc.音シガテラ(食中毒の名前)速度泳ぐ 型式カマOtoliths脳視覚
用具
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インターネットの情報源
Estimates based on models
Phylogenetic diversity index (Ref.
82804): PD
50 = 0.5039 [Uniqueness, from 0.5 = low to 2.0 = high].
Bayesian length-weight: a=0.00676 (0.00308 - 0.01483), b=3.10 (2.91 - 3.29), in cm total length, based on LWR estimates for this (Sub)family-body shape (Ref.
93245).
栄養段階 (Ref.
69278): 3.5 ±0.50 se; based on food items.
回復力 (Ref.
120179): 高い, 15か月以下の倍増期間の最小個体群 (Preliminary K or Fecundity.).
Fishing Vulnerability (Ref.
59153): Low vulnerability (21 of 100).