分类 / Names
俗名 | 同种异名 | Catalog of Fishes(属, 种) | ITIS | CoL | WoRMS | Cloffa
Teleostei >
Characiformes (Characins) >
Crenuchidae (South American darters) > Characidiinae
Etymology: Characidium: Diminutive of Charax, -akos = a fish without identification (Ref. 45335).
Environment: milieu / climate zone / depth range / distribution range
生态学
; 淡水 底中水层性. 熱帶
South America: known only from the type locality in the headwaters of Caraguatá River, upper Uruguay River drainage.
南美洲: 已知只來自模式標本產地， Caraguata 河的河川源頭，烏拉圭河流域上游了。
大小 / 重量 / 年龄
Maturity: Lm ? range ? - ? cm
Max length : 5.1 cm SL 雄鱼/尚未辨别雌雄; (Ref. 36884)
简单描述
型态特徵 | 形态测量图
背棘 (总数): 0; 背的软条 (总数): 11-13; 臀棘 0; 臀鳍软条: 7 - 9. Roundish black marks on the pelvic, dorsal and anal fins; a black band along the distal margin of anal and pelvic fins; a black band along the distal margin of anal and pelvic fins in adult males (band also present but fainter and narrower in juveniles and females); enlarged anal fin with rounded distal profile in adult males; fins brightly colored with orange or red chromatophores in live adult males; reduction of adipose fin, which may be very small or even absent; lateral line complete or at least extending well beyond the 12th scale of series.
在腹鳍上的圆的黑点, 背鳍与臀鳍; 一条黑色的条纹沿着臀鳍与腹鳍鳍的末梢部边缘; 一条黑色的条纹在雄性成鱼中沿着臀鳍与腹鳍鳍的末梢部边缘;(条纹也存在的但是更模糊与更狭窄在稚鱼与雌性中) 增大的臀鳍有在雄性成鱼中圆的末梢部的轮廓; 鳍色彩鲜艳的有橘色的或在活的雄性成鱼中的红色色素胞; 脂鳍的减少, 那可能是非常小的或甚至不存在; 侧线完整或延伸的至少越过系列的第 12个鳞片。
In a small river at 650 m altitude.
在 650个公尺高度的一条小的河中。
Life cycle and mating behavior
成熟度 | 繁殖 | 产卵场 | 卵 | 孕卵数 | 仔鱼
南美洲: 已知只來自模式標本產地， Caraguata 河的河川源頭，烏拉圭河流域上游了。
Buckup, P.A. and L. Hahn, 2000. Characidium vestigipinne: a new species of Characidiinae (Teleostei, Characiformes) from Southern Brazil. Copeia 2000(1):150-155. (Ref. 36884)
世界自然保护联盟红皮书 (Ref. 130435)
极度濒危 (CR) (B2ab(iii)); Date assessed: 07 November 2018
人类利用
渔业: 没有兴趣
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
工具
特别资料
下载 XML
网络资源
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=0.01122 (0.00514 - 0.02450), b=3.04 (2.87 - 3.21), in cm total length, based on all LWR estimates for this body shape (Ref.
93245).
营养阶层 (Ref.
69278): 3.4 ±0.3 se; based on size and trophs of closest relatives
Fishing Vulnerability (Ref.
59153): Low vulnerability (10 of 100).
