分类 / 名称
俗名 | 同种异名 | Catalog of Fishes(属, 种) | ITIS | CoL | WoRMS | Cloffa
Teleostei >
Siluriformes (Catfishes) >
Loricariidae (Armored catfishes) > Loricariinae
Etymology: guianensis: Named for French Guiana.
Eponymy: Charles Frederick Hartt (1840–1878) was a Canadian geologist, palaeontologist and naturalist, who was a member of the Thayer Expedition (1865–1866) to Brazil, a country in which he was a specialist. [...] (Ref. 128868), visit book page.
环境:氛围 / 气候带 / 深度上下限 / 分布范围
生态学
; 淡水 居于水底的. 熱帶
South America: Sinnamary and Approuague River basins.
南美洲: Sinnamary 與 Approuague 河流域。
大小 / 重量 / 年龄
成熟度: Lm ?  range ? - ? cm
Max length : 17.5 cm SL 雄鱼/尚未辨别雌雄; (Ref. 36389)
简单描述
检索表 | 型态特徵 | 形态测量图
Head and predorsal uniformly dark brown in larger individuals and marbled in young. Caudal fin (?) with two small dark black blotches at tip of upper lobe and only one on tip of lower lobe; point of confluence of the lateral keels at 20-22nd. Dorsal fin with large black spot on its distal end. Other fins spotted except the anal fin. Head depth, 2.3-3.3 times in SL; body depth 1.9-3.2 times in SL. Belly totally naked except for thoracic plates and a group of small irregular plates concentrated on the anus, just posterior to pelvic-fin insertion. Rictal barbels small, attached to lower lip by small membrane. Stomach indistinguishable; intestine very long, about 14 times in SL. Keeled lateral plates, 29-30 (Ref. 40703).
Body shape (shape guide): elongated.
头部与前背的全黑褐色在较大的个体中而且有大理石花纹当幼鱼时。 尾鳍 (?) 在下叶的顶端上的上叶与只有一个的顶端有两个小的深黑色的斑块; 侧龙骨的汇流的点在 20- 第 22. 背鳍有大的黑色斑点在它的末梢部的末端。 其他的鳍有斑点的除臀鳍。 头部深度,2.3-3.3 标准体长比率; 体高 1.9-3.2 标准体长比率。 腹面完全地裸露的除了胸廓的碟与专注于肛门的一群小的不规则的碟, 正好在腹鳍嵌入后面。 嘴裂的触须小的, 依附于小薄膜的下唇。 腹部不能辨别的; 肠非常长的, 大约标准体长比率 14。 隆起的侧骨板,29-30.(参考文献 40703)
生命周期和交配行为
成熟度 | 繁殖 | 产卵场 | 卵 | 孕卵数 | 仔鱼
南美洲: Sinnamary 與 Approuague 河流域。
Rapp Py-Daniel, L.H. and E.C. Oliveira, 2001. Seven new species of Harttia from the Amazonian-Guyana region (Siluriformes: Loricariidae). Ichthyol. Explor. Freshwat. 12(1):79-96. (Ref. 39753)
世界自然保护联盟红皮书 (Ref. 130435: Version 2025-2 (Global))
人类利用
工具
特别资料
下载 XML
网络资源
基于模型的估算
系统发育多样性指数 (参考文献 82804) |
PD50 = 0.5000 [Uniqueness, from 0.5 = low to 2.0 = high]. |
|
Bayesian length-weight
|
a=0.00589 (0.00271 - 0.01280), b=3.08 (2.91 - 3.25), in cm total length, based on LWR estimates for this Genus-body shape (Ref. 93245). |
营养阶层 (参考文献 69278) |
2.5 ±0.2 se; based on size and trophs of closest relatives |
回复力 (参考文献 120179) |
中等的, 族群倍增时间最少 1.4 - 4.4年 (Preliminary K or Fecundity.). |
渔业脆弱性 (Ref. 59153) |
Moderate vulnerability (37 of 100). 🛈 |