分类 / Names
俗名 | 同种异名 | Catalog of Fishes(属, 种) | ITIS | CoL | WoRMS | Cloffa
Teleostei >
Siluriformes (Catfishes) >
Cetopsidae (Whale catfishes) > Cetopsinae
Etymology: Denticetopsis: Latin, dens, dentis = teeth + Greek, ketos = marine monster, whale + Greek, opsis = appearance (Ref. 45335); praecox: Specific name derived from the Latin precocious, in reference to the small size of this species at sexual maturity.
Environment: milieu / climate zone / depth range / distribution range
生态学
; 淡水 居于水底的; pH range: 4.3 - 5.0. 熱帶
South America: upper Negro River basin.
南美洲: 尼格羅河流域上游。
大小 / 重量 / 年龄
Maturity: Lm ? range ? - ? cm
Max length : 5.3 cm SL 雄鱼/尚未辨别雌雄; (Ref. 39603)
简单描述
检索表 | 型态特徵 | 形态测量图
背棘 (总数) : 1; 背的软条 (总数) : 6; 臀鳍软条: 25 - 30; 脊椎骨: 39 - 40. Readily distinguished from other members of the genus by its color pattern consisting of a dark brown dorsum, speckled to dark sides, light venter, pale fins and a large dark spot on the basal half of the dorsal fin. Among the smallest species in the family, maturing between 30-40 mm SL.
轻易地在基部一半的背鳍上用它的包含一个深褐色的背面，有斑点的到深侧边，光腹部，灰白的鳍与一个大的深色斑点的彩色斑纹与本属的其他成员区分了。 在最小的种之中在该科中, 在 30-40 mm SL 之间成熟。
Known from cobble-pebble bottom river habitats.
已知来自圆石-小圆石底部河栖息地了。
Life cycle and mating behavior
成熟度 | 繁殖 | 产卵场 | 卵 | 孕卵数 | 仔鱼
南美洲: 尼格羅河流域上游。
Vari, R.P., C.J. Ferraris Jr. and M.C.C. de Pinna, 2005. The neotropical whale catfishes (Siluriformes: Cetopsidae: Cetopsinae), a revisionary study. Neotrop. Ichthyol. 3(2):127-238. (Ref. 56045)
世界自然保护联盟红皮书 (Ref. 130435: Version 2024-2)
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Estimates based on models
Phylogenetic diversity index (Ref.
82804): PD
50 = 0.5078 [Uniqueness, from 0.5 = low to 2.0 = high].
Bayesian length-weight: a=0.01000 (0.00244 - 0.04107), b=3.04 (2.81 - 3.27), in cm total length, based on all LWR estimates for this body shape (Ref.
93245).
营养阶层 (Ref.
69278): 3.4 ±0.4 se; based on size and trophs of closest relatives
Fishing Vulnerability (Ref.
59153): Low vulnerability (10 of 100).
