分类 / Names
俗名 | 同种异名 | Catalog of Fishes(属, 种) | ITIS | CoL | WoRMS | Cloffa
Teleostei >
Carangaria/misc (Various families in series Carangaria) >
Polynemidae (Threadfins)
Etymology: Polynemus: Greek, poly = a lot of + Greek,nema = filament (Ref. 45335); bidentatus: Name from Latin 'bis' meaning two and 'dentatus' for toothed, in allusion to the 2 tooth patches on the vomer..
Environment: milieu / climate zone / depth range / distribution range
生态学
; 淡水 大洋性.
Asia: Mekong basin, Viet Nam.
大小 / 重量 / 年龄
Maturity: Lm ? range ? - ? cm
Max length : 15.3 cm SL 雄鱼/尚未辨别雌雄; (Ref. 58087)
简单描述
型态特徵 | 形态测量图
背棘 (总数): 9; 背的软条 (总数): 16; 臀棘 3. This species is distinguished by the following characters: D1 VIII; D2 I, 16; pectoral-fin filaments 7 (6th filament longest); pectoral -fin rays 17; anal-fin spines 3; pored lateral-line scales 70; gill rakers 32; vomerine teeth separated at midline, forming two toothed patches; swimbladder absent; depth at posterior margin of maxilla greater than orbit diameter; relatively long snout length (6.8% of SL), upper-jaw length (13.8% of SL), first pelvic-fin soft ray length (17.2% of SL), and upper caudal-fin lobe length (38.1% of SL); relatively short pectoral-fin length (32.6% of SL), longest pectoral-fin filament length (158.7% of SL), and third anal-fin soft ray length (15.8% of SL); relatively small orbit diameter (2.2% of SL); ventroposterior part of the pectoral fin black (Ref. 58087).
Life cycle and mating behavior
成熟度 | 繁殖 | 产卵场 | 卵 | 孕卵数 | 仔鱼
Motomura, H. and S. Tsukawaki, 2006. New species of the threadfin genus Polynemus (Teleostei: Polynemidae) from the Mekong River Basin, Vietnam, with comments on the Mekong species of Polynemus. Raffles Bull. Zool. 54(2):459-464. (Ref. 58087)
人类利用
更多信息
俗名同种异名新陈代谢捕食者生态毒物学繁殖成熟度产卵场产卵群集孕卵数卵卵的发育
年龄范围成长体长-体重体长-体长体长-频率形态测量图型态特徵仔鱼稚鱼动力学入添量丰度BRUVS
参考文献养殖养殖信息品种遗传学Electrophoreses遗传率疾病加工NutrientsMass conversion
合作者照片Stamps, Coins Misc.声音神经毒速度泳型鳃区Otoliths脑重体重比眼睛色素
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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=0.00562 (0.00269 - 0.01173), b=3.06 (2.87 - 3.25), in cm total length, based on LWR estimates for this (Sub)family-body shape (Ref.
93245).
营养阶层 (Ref.
69278): 3.6 ±0.5 se; based on size and trophs of closest relatives
回复力 (Ref.
120179): 高度, 族群倍增时间少于 15个月 (Preliminary K or Fecundity.).
Fishing Vulnerability (Ref.
59153): Low vulnerability (10 of 100).
