分类 / Names
俗名 | 同种异名 | Catalog of Fishes(属, 种) | ITIS | CoL | WoRMS | Cloffa
Teleostei >
Eupercaria/misc (Various families in series Eupercaria) >
Sparidae (Porgies)
Etymology: Diplodus: Greek, diploos = twice + Greek, odous = teeth (Ref. 45335).
More on author: Linnaeus.
Environment: milieu / climate zone / depth range / distribution range
生态学
海洋; 半咸淡水 居于水底的; 海洋洄游的 (Ref. 51243); 深度上下限 0 - 50 m (Ref. 12460), usually 0 - 50 m (Ref. 13780). 亞熱帶的; 48°N - 36°S, 29°W - 42°E
Northeastern Atlantic from Brittany (France) to Gibraltar, and Madeira I.; Mediterranean Sea and southwestern Black Sea.
東大西洋: 比斯開灣與地中海到南非。 沙重牙鯛〔Diplodus sargus sargus〕 出現於地中海與黑海中。 (參考文獻 3397)
Length at first maturity / 大小 / 重量 / 年龄
Maturity: Lm ?, range 25 - ? cm
Max length : 45.0 cm TL 雄鱼/尚未辨别雌雄; (Ref. 3397); common length : 22.0 cm TL 雄鱼/尚未辨别雌雄; (Ref. 3397); 最大体重: 1.9 kg (Ref. 40637); 最大年龄: 10 年 (Ref. 26328)
背棘 (总数): 11 - 12; 背的软条 (总数): 12-15; 臀棘 3; 臀鳍软条: 11 - 14. Body with 5 black and 4 grey vertical bands. Snout is longer than the eye diameter (Ref. 35388).
身体有 5 黑色与 4条灰色的垂直条纹。 吻是长度超过眼直径。 (参考文献 35388)
Inhabits coastal rocky reef areas (Ref. 12460) and Posidonia oceanica beds. Like other sparids, it is very active and frequents the surf zone, primarily at dawn (Ref. 13780). Feeds on shellfish and other benthic invertebrates which it picks from the sediment (Ref. 5377).
栖息于海岸的岩石礁区 (参考文献 12460) 与 Posidonia oceanica 床。 像其他的鲷科鱼类, 它非常活跃而且常常聚集于海浪区, 主要地在破晓.(参考文献 13780) 吃贝与其他的底栖无脊椎动物它剔啄从沉淀物.(参考文献 5377)
Life cycle and mating behavior
成熟度 | 繁殖 | 产卵场 | 卵 | 孕卵数 | 仔鱼
Sexes separate or protandrous (Ref. 4781). In some areas, this species occurs as a digynic hermaphrodite, that is, males and females developing from intermediate juveniles (Ref. 52202). However, protandry with possible digyny was later confirmed (Ref. 103751). Reaches sexual maturity at 2 years, with an approximate size of 17 cm. Spawning happens from January to March. Egg size 0.8-0.9 mm; larval length at hatching 2.6 mm. Also Ref. 28504.東大西洋: 比斯開灣與地中海到南非。 沙重牙鯛〔Diplodus sargus sargus〕 出現於地中海與黑海中。 (參考文獻 3397)
Bauchot, M.-L., 1987. Poissons osseux. p. 891-1421. In W. Fischer, M.L. Bauchot and M. Schneider (eds.) Fiches FAO d'identification pour les besoins de la pêche. (rev. 1). Méditerranée et mer Noire. Zone de pêche 37. Vol. II. Commission des Communautés Européennes and FAO, Rome. (Ref. 3397)
人类利用
渔业: 低经济; 养殖: 商业性; 游钓鱼种: 是的
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Estimates based on models
Preferred temperature (Ref.
123201): 15 - 24.1, mean 18.8 °C (based on 400 cells).
Phylogenetic diversity index (Ref.
82804): PD
50 = 0.5000 [Uniqueness, from 0.5 = low to 2.0 = high].
Bayesian length-weight: a=0.01175 (0.01050 - 0.01315), b=3.04 (3.01 - 3.07), in cm total length, based on LWR estimates for this species (Ref.
93245).
营养阶层 (Ref.
69278): 3.4 ±0.1 se; based on diet studies.
回复力 (Ref.
120179): 中等的, 族群倍增时间最少 1.4 - 4.4年 (K=0.11-0.25; tmax=10; tm=2).
Prior r = 0.54, 95% CL = 0.35 - 0.82, Based on 5 stock assessments.
Fishing Vulnerability (Ref.
59153): High vulnerability (57 of 100).
Climate Vulnerability (Ref.
125649): Low to moderate vulnerability (26 of 100).
Nutrients (Ref.
124155): Calcium = 74.5 [38.6, 152.0] mg/100g; Iron = 0.993 [0.559, 1.844] mg/100g; Protein = 19.7 [18.8, 20.6] %; Omega3 = 0.35 [0.20, 0.60] g/100g; Selenium = 20.9 [9.8, 39.7] μg/100g; VitaminA = 15 [5, 42] μg/100g; Zinc = 1.01 [0.69, 1.43] mg/100g (wet weight); based on
nutrient studies.
