分类 / Names
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Teleostei >
Cichliformes (Cichlids, convict blennies)
鱸形目 (Cichlids, convict blennies) >
Cichlidae (Cichlids)
麗魚科 (Cichlids) > Cichlinae
Etymology: Crenicichla: Latin, crenulatus = cut, clipped + Greek, kichle = wrasse (Ref. 45335).
More on authors: Kullander & Lucena.
Environment: milieu / climate zone / depth range / distribution range
生态学
; 淡水 底中水层性. 热带
South America: Brazil.
南美洲: 巴西。
大小 / 重量 / 年龄
Maturity: Lm ? range ? - ? cm
Max length : 24.7 cm SL 雄鱼/尚未辨别雌雄; (Ref. 57632)
简单描述
检索表 | 型态特徵 | 形态测量图
背棘 (总数) : 20 - 24; 背的软条 (总数) : 11 - 13; 臀鳍软条: 8 - 11. Distinguished from all other costal southeastern Brazilian species of the Crenicichla lacustris group by having a row of 5-8 dark blotches along middle of side and narrow vertical bars absent. This is most similar to Crenicichla punctata in color pattern, males always feature a pattern of irregularly distributed dark spots over the sides, but this pattern is lost in breeding females. Differs from Crenicichla punctata by the absence of minute dark spots on the head. Also distinguished from Crenicichla haroldoi, Crenicichla jaguarensis and Crenicichla jupiaensis by E1 row scale counts 60-75. Differs from Crenicichla iguassuensis by having a row of 5-8 dark blotches along side and snout pointed with lower jaw distinctly prognathous and from Crenicichla niederleinii by absence of narrow vertical bars (Ref. 57632).
藉由有一个与 Crenicichla lacustris 群的所有其他肋骨东南方巴西种区分了 5- 的列 8个黑色斑块沿着侧边的中央，而且狭窄的纵带不存在。 这是类似在彩色斑纹中的 Crenicichla punctata 的大部分,雄性总是以在侧边上的一个不规则地分布的深色斑点的图案为特色，但是这一个图案在繁殖方面消失雌性。 在头部上有别于 Crenicichla punctata 藉由缺少细小的深色斑点。 也区分 E1 列鳞片的 Crenicichla haroldoi, Crenicichla jaguarensis 與 Crenicichla jupiaensis 計算 60-75. 藉由有一個有別於 Crenicichla iguassuensis5- 的列 8個黑色斑塊沿著旁而吻尖的具有下頜明顯下巴突出與從 Crenicichla niederleinii 被缺乏狹窄的縱帶.(參考文獻 57632)
Feeds on bivalves, gastropods, fish and coleopteran larvae (Ref. 57632).
吃二枚贝，腹足动物，鱼与鞘翅目仔鱼。 (参考文献 57632)
Life cycle and mating behavior
成熟度 | 繁殖 | 产卵场 | 卵 | 孕卵数 | 仔鱼
南美洲: 巴西。
Kullander, S.O. and C.A.S. Lucena, 2006. A review of the species of Crenicichla (Teleostei: Cichlidae) from the Atlantic coastal rivers of southeastern Brazil from Bahia to Rio Grande do Sul States, with descriptions of three new species. Neotrop. Ichthyol. 4(2):127-146. (Ref. 57632)
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 = 0.5000 [Uniqueness, from 0.5 = low to 2.0 = high].
Bayesian length-weight: a=0.00741 (0.00338 - 0.01626), b=3.10 (2.92 - 3.28), in cm total length, based on LWR estimates for this Genus-body shape (Ref.
93245).
营养阶层 (Ref.
69278): 3.3 ±0.5 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 (20 of 100).
