分类 / Names
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..
Environment: milieu / climate zone / depth range / distribution range
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
Maturity: 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).
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)
Life cycle and mating behavior
Maturities | 繁殖 | Spawnings | Egg(s) | Fecundities | 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)
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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=0.00347 (0.00159 - 0.00757), b=3.14 (2.96 - 3.32), in cm total length, based on LWR estimates for this (Sub)family-body shape (Ref.
93245).
营养阶层 (Ref.
69278): 2.5 ±0.2 se; based on size and trophs of closest relatives
回复力 (Ref.
120179): 中等的, 族群倍增时间最少 1.4 - 4.4年 (Preliminary K or Fecundity.).
Fishing Vulnerability (Ref.
59153): Low vulnerability (11 of 100).
