分类 / Names
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Teleostei >
Atheriniformes (Silversides) >
Atherinopsidae (Neotropical silversides) > Menidiinae
Etymology: Labidesthes: Greek, labidos = pair of forceps + Greek esthio = to eat; in reference to the shape of the mouth (Ref. 45335); sicculus: Name most likely from Latin 'sicula' meaning small dagger (see Ref. 104856). Others consider the origin of the name from the Latin 'siccus' meaning dried, referring to being found in dried pools (Ref. 10294, 79012).
More on author: Cope.
Environment: milieu / climate zone / depth range / distribution range
生态学
; 淡水 大洋性. 亞熱帶的; 5°C - 20°C (Ref. 13614); 46°N - 25°N
North America: Gulf of Mexico drainages from the Pearl River west to Brazos River including sthe Mississippi River drainage, and the Great Lakes (but not Lake Superior) - St. Lawrence River drainages.
北美洲: 聖勞倫斯河-五大湖區 (除了秀克必李耳湖以外) 與密西西比河流域從加拿大魁北克南部到東方的明尼蘇達州而且南至在美國的路易斯安那; 從 Santee 河流域在南卡羅萊那州到加爾維斯敦海灣流域在美國德州。
Length at first maturity / 大小 / 重量 / 年龄
Maturity: Lm 7.0 range ? - ? cm
Max length : 13.0 cm TL 雄鱼/尚未辨别雌雄; (Ref. 5723); common length : 8.4 cm TL 雄鱼/尚未辨别雌雄; (Ref. 12193); 最大年龄: 2.00 年 (Ref. 12193)
背棘 (总数): 4 - 7; 背的软条 (总数): 8-12; 臀棘 1; 臀鳍软条: 19 - 27. This species is distinguished and differs from Labidesthes vanhyningi by the following characters: Labidesthes sicculus have the anterolateral processes of the posttemporals longer than width of the base (vs. L. vanhyningi having the processes shorter than width of base); with a midlateral stripe tapering to insertion of pectoral fin in advance of first dorsal fin (vs. maintaining width or usually expanding, to insertion of pectoral fin in advance of the first dorsal-fin); a ratio of thoracic length to abdominal length greater than 2 (vs. less than 2) (Ref. 104856).
Occur near surface of lakes, ponds, and quiet pools of creeks and small to large rivers. Usually found in open water (Ref 5723, 10294). Feed on zooplankton, including copepods, cladocerans, and midge larvae (Ref. 10294).
出现近表面的小溪与小型到大型河川的湖，池塘与静止的池水。 通常发现于开放水域。
Life cycle and mating behavior
成熟度 | 繁殖 | 产卵场 | 卵 | 孕卵数 | 仔鱼
北美洲: 聖勞倫斯河-五大湖區 (除了秀克必李耳湖以外) 與密西西比河流域從加拿大魁北克南部到東方的明尼蘇達州而且南至在美國的路易斯安那; 從 Santee 河流域在南卡羅萊那州到加爾維斯敦海灣流域在美國德州。
Werneke, D.C. and J.W. Armbruster, 2015. Silversides of the genus Labidesthes (Atheriniformes: Atherinopsidae). Zootaxa 4032(5):535-550. (Ref. 104856)
人类利用
诱饵: usually
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Estimates based on models
Phylogenetic diversity index (Ref.
82804): PD
50 = 0.7500 [Uniqueness, from 0.5 = low to 2.0 = high].
Bayesian length-weight: a=0.00437 (0.00232 - 0.00821), b=3.04 (2.87 - 3.21), in cm total length, based on LWR estimates for this species & (Sub)family-body (Ref.
93245).
营养阶层 (Ref.
69278): 3.4 ±0.45 se; based on food items.
回复力 (Ref.
120179): 高度, 族群倍增时间少于 15个月 (K=3.70; tmax=2).
Fishing Vulnerability (Ref.
59153): Low vulnerability (10 of 100).
