分類 / Names
俗名 | 同種異名 | Catalog of Fishes(屬, 種) | ITIS | CoL | WoRMS | Cloffa
Teleostei >
Atheriniformes (Silversides)
銀漢魚目 (Silversides) >
Atherinopsidae (Neotropical silversides)
擬銀漢魚科 (Neotropical silversides) > Atherinopsinae
Etymology: Odontesthes: Greek, odous = teeth + Greek,esthes = suit, something used to wrap (Ref. 45335); piquava: Specific name joins part of the names of the lagoas Pinguela, Quadros and Itapeva, along the area of distribution of this species..
Environment: milieu / climate zone / depth range / distribution range
生態學
; 淡水 大洋性. 亞熱帶的
South America: interconnected lakes of the rio Tramandai drainage, southern Brazil.
南美洲: 互相連接 rio Tramandai 流域，巴西南部的湖了。
大小 / 重量 / 年齡
Maturity: Lm ? range ? - ? cm
Max length : 26.3 cm SL 雄魚/尚未辨別雌雄; (Ref. 116661)
簡短描述
型態特徵 | 形態測量圖
背棘 (總數): 4 - 6; 背的軟條 (總數): 7-9; 臀棘 1; 臀鰭軟條: 16 - 20; 脊椎骨: 47 - 49. Scales in lateral series above lateral band 47-53; and predorsal scales 24-26 (Ref. 47314). Differs from O. bicudo and O. ledae by the following characters: thin fragile premaxilla, not projected anteriorly in its medialmost portion; ventral head profile usually split into two straight sections, forming an angle at the retroarticular joint; snout short, as long as wide in dorsal view; mouth slightly upturned in lateral view and positioned above a horizontal line crossing near the center of eye and above a horizontal line crossing near the middle of head depth (Ref. 47314).
在側面的條紋 47-53 上面的側線列中的鱗片; 而且前背的鱗片 24-26.(參考文獻 47314) 在特徵之後有別於 O. bicudo 與 O. ledae 藉由: 細的纖細前頜骨, 不在它的 medialmost 部分中前面地突出; 頭部下面輪廓通常分割為二個直的部分,在 retroarticular 接合形成一個角; 吻短又長達廣泛的在中背面; 嘴些微朝上在側面中而且在上面在眼的中心附近的一個水平線橫越而且在頭部深度的中央附近的一個水平線橫越之上放置.(參考文獻 47314)
Occurs exclusively in freshwater (Ref. 47314).
專門地生存在淡水中。 (參考文獻 47314)
Life cycle and mating behavior
成熟度 | 繁殖 | 產卵場 | 卵 | 孕卵數 | 仔魚
南美洲: 互相連接 rio Tramandai 流域，巴西南部的湖了。
Wingert, J.M., J. Ferrer and L.R. Malabarba, 2017. Review of the Odontesthes perugiae species group from Río de La Plata drainage, with the description of a new species (Atherinomorpha: Atherinopsidae). Zootaxa 4250(6):501-528. (Ref. 116661)
IUCN 瀕危狀態 (Ref. 130435)
近危 (NT) (B2b(iii,iv,v)); Date assessed: 07 November 2018
人類使用
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合作者照片Stamps, Coins Misc.聲音神經毒速度泳型鰓區Otoliths腦重體重比眼睛色素
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Estimates based on models
Phylogenetic diversity index (Ref.
82804): PD
50 = 0.5000 [Uniqueness, from 0.5 = low to 2.0 = high].
Bayesian length-weight: a=0.00603 (0.00275 - 0.01321), b=3.01 (2.82 - 3.20), in cm total length, based on LWR estimates for this (Sub)family-body shape (Ref.
93245).
營養階層 (Ref.
69278): 3.6 ±0.3 se; based on size and trophs of closest relatives
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): Low vulnerability (22 of 100).
