分类 / Names
俗名 | 同种异名 | Catalog of Fishes(属, 种) | ITIS | CoL | WoRMS | Cloffa
Environment: milieu / climate zone / depth range / distribution range
生态学
; 淡水 居于水底的. 溫帶
South America: Mendoza River basin in Argentina.
南美洲: Mendoza 河流域。
大小 / 重量 / 年龄
Maturity: Lm ? range ? - ? cm
Max length : 7.3 cm 雄鱼/尚未辨别雌雄; (Ref. 33071)
简单描述
型态特徵 | 形态测量图
背的软条 (总数): 11-14; 臀鳍软条: 10 - 12; 脊椎骨: 39 - 43. Entire surface of body skin perforated by pores of ampullary organs; cephalic sensory canal system represented only by anterior portion of supraorbital canal enclosed by nasal bone, and posterior portion of postotic canal enclosed by pterotic and posttemporosupracleithrum; two anteriormost pores of supraorbital canal present medial to anterior and posterior nostrils, respectively; one or two pores of postotic canal on pterotic and between pterotic and posttemporosupracleithrum; body lateral line represented only by portion posterior to head, with one or two pores; head and body pit lines absent in most individuals; peritoneum and wall of pleuroperitoneal cavity blackish due to presence of many melanophores; eye small and supported by membranous outgrowth of hyomandibula and by membrane; and ceratobranchial and epibranchial bones without ossified gill rakers. The short dorsal fin has 5 precurrent rays plus 6 to 9 principal rays; anal fin has 4 precurrent rays and 6 to 8 principal rays.
身体皮肤的整个表面壶腹器官穿孔的经由小孔; 头部的知觉管系统只出现被鼻骨隔绝的眶上管的前部了，而且耳后管的在后部部分被 pterotic 与 posttemporosupracleithrum 隔绝了; 二个最前面眶上管的孔呈现中间的对前面与后面的鼻孔, 分别地; 在 pterotic 上的耳后管的一或二个孔与在 pterotic 与 posttemporosupracleithrum 之间; 只出现部分的身体侧线在头部后面, 有一或二个孔; 头部与身体凹洞线不存在于大多数的个体; 腹膜与腹腔的墙壁黑色的由于有许多黑色素细胞; 眼小的而且由上颚的膜状自然的发展支撑了与藉着薄膜; 而且没有钙化的鳃耙的角鳃骨与上鳃骨。 短的背鳍加上 6 到 9个主要的鳍条有 5个 precurrent 鳍条; 臀鳍有 4个 precurrent 鳍条与 6 到 8个主要的鳍条。
Life cycle and mating behavior
成熟度 | 繁殖 | 产卵场 | 卵 | 孕卵数 | 仔鱼
南美洲: Mendoza 河流域。
Arratia, G., 1998. Silvinichthys, a new genus of trichomycterid catfishes from the Argentinian Andes, with redescription of Trichomycterus nigricans. Ichthyol. Explor. Freshwat. 9(4):347-370. (Ref. 33071)
人类利用
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
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Estimates based on models
Phylogenetic diversity index (Ref.
82804): PD
50 = 0.5156 [Uniqueness, from 0.5 = low to 2.0 = high].
Bayesian length-weight: a=0.00661 (0.00282 - 0.01550), b=2.99 (2.79 - 3.19), in cm total length, based on LWR estimates for this (Sub)family-body shape (Ref.
93245).
营养阶层 (Ref.
69278): 3.1 ±0.4 se; based on size and trophs of closest relatives
Fishing Vulnerability (Ref.
59153): Low vulnerability (10 of 100).
