分類 / Names
俗名 | 同種異名 | Catalog of Fishes(屬, 種) | ITIS | CoL | WoRMS | Cloffa
Teleostei >
Carangaria/misc (Various families in series Carangaria)
鱸形目 (Various families in series Carangaria) >
Polynemidae (Threadfins)
馬鮁科 (Threadfins)
Etymology: Polydactylus: Greek, poly = a lot of + greek, daktylos = finger (Ref. 45335).
More on author: Gill.
Environment: milieu / climate zone / depth range / distribution range
生態學
海洋 居於水底的; 深度上下限 10 - 60 m (Ref. 91172). 亞熱帶的; 34°N - 7°S, 118°W - 77°W (Ref. 57343)
Eastern Pacific: Los Angeles Harbor in California, USA to off Paita, Peru; rare north of Baja California, Mexico.
東太平洋: 對外海的 Paita 的在美國加州中的洛杉磯港灣, 祕魯; 墨西哥的下加利福尼亞稀有北方。
大小 / 重量 / 年齡
Maturity: Lm ? range ? - ? cm
Max length : 50.0 cm TL 雄魚/尚未辨別雌雄; (Ref. 55763); common length : 25.0 cm TL 雄魚/尚未辨別雌雄; (Ref. 55763)
背棘 (總數) : 9; 背的軟條 (總數) : 11 - 13; 臀棘: 3; 臀鰭軟條: 12 - 14. Body and fins yellowish; no stripes or spots. Anterior parts of lower jaw with villiform teeth extending onto lateral surface, adjacent part of lip poorly developed in large specimens. Vomerine teeth present. Maxilla covered with small deciduous scales. Pectoral filaments 9. Lateral line unbranched, extending to upper end of caudal fin lobe. Swim bladder absent (Ref. 45049).
身體與鰭淡黃色的; 沒有斑紋或斑點。 前部下頜有延伸到唇的側面表面又毗連部份的絨毛狀的齒在大的個體中發展不良的。 有鋤骨齒。 顎骨覆蓋著小的脫落性鱗片了。 胸的絲狀突起 9. 側線不分枝的, 延伸至上面的尾鰭末端葉。 泳鰾不存在。 (參考文獻 45049)
Inhabits coastal waters and estuaries, on sand and mud bottom (Ref. 9332). Also found along sandy beaches (Ref. 57343). Esteemed food fish in the tropical eastern Pacific (Ref. 57343).
在沙子與泥底上, 棲息於沿岸水域。 (參考文獻 9332)
Life cycle and mating behavior
成熟度 | 繁殖 | 產卵場 | 卵 | 孕卵數 | 仔魚
東太平洋: 對外海的 Paita 的在美國加州中的洛杉磯港灣, 祕魯; 墨西哥的下加利福尼亞稀有北方。
Motomura, H., S. Kimura and Y. Iwatsuki, 2002. Revision of the threadfin genus Polydactylus (Perciformes, Polynemidae) from the eastern Pacific Ocean. Ichthyol. Res. 49(4):358-366. (Ref. 45049)
IUCN 瀕危狀態 (Ref. 130435: Version 2024-2)
無危 (LC) ; Date assessed: 24 May 2007
人類使用
漁業: 低經濟
工具
特別的報告
下載 XML
網路資源
Estimates based on models
Preferred temperature (Ref.
123201): 24.6 - 28.6, mean 27.2 °C (based on 32 cells).
Phylogenetic diversity index (Ref.
82804): PD
50 = 0.5000 [Uniqueness, from 0.5 = low to 2.0 = high].
Bayesian length-weight: a=0.00661 (0.00388 - 0.01125), b=3.07 (2.92 - 3.22), in cm total length, based on LWR estimates for this species & Genus-body shape (Ref.
93245).
營養階層 (Ref.
69278): 3.3 ±0.51 se; based on food items.
回復力 (Ref.
120179): 高度, 族群倍增時間少於 15個月 (Preliminary K or Fecundity.).
Fishing Vulnerability (Ref.
59153): Moderate vulnerability (40 of 100).
