分类 / Names
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Teleostei >
Tetraodontiformes (Puffers and filefishes) >
Tetraodontidae (Puffers) > Canthigasterinae
Etymology: Canthigaster: Greek, kanthos = the outer or inner corner of the eye, where the lids meet, 1646 + Greek, gaster = stomach (Ref. 45335).
Eponymy: François Valentijn (1666–1727) was a Dutch minister and naturalist who spent some time in the Dutch East Indies. [...] (Ref. 128868), visit book page.
More on author: Bleeker.
Environment: milieu / climate zone / depth range / distribution range
生态学
海洋 礁区鱼类; 深度上下限 1 - 55 m (Ref. 1602). 热带; 32°N - 32°S
Indo-Pacific: Red Sea south to Durban, South Africa (Ref. 4919) and east to the Tuamoto Islands, north to southern Japan, south to Lord Howe Island.
印度-太平洋: 红海南至南非的德尔班 (参考文献 4919) 而且东至 Tuamoto 岛, 北至日本南部, 南至罗得豪岛。
Length at first maturity / 大小 / 重量 / 年龄
Maturity: Lm 4.6, range 4 - 5.4 cm
Max length : 11.0 cm TL 雄鱼/尚未辨别雌雄; (Ref. 4919)
背棘 (总数) : 0; 背的软条 (总数) : 9; 臀棘: 0; 臀鳍软条: 9. Side with two prominent dark bars extending to belly (Ref. 559).
侧边有两个延伸至腹面的突出的深色横带。 (参考文献 559)
Found among coral heads and rocks of subtidal lagoon and seaward reefs (Ref. 4919, 5503). Common on coastal reefs at various depths. Mimic filefish, males are territorial and are often seen fighting (Ref. 48637). Feed mainly on filamentous green and red algae, tunicates, and on smaller amounts of corals, bryozoans, polychaetes, echinoderms, mollusks, and brown and coralline red algae. Form shoals (10-100 or more) often with the filefish, Paraluteres prionurus (about 5% of shoal) mimicking C. valentini to protect it from predators (Ref. 4919, 5503). Territorial and haremic; males spawn with a different female each day (Ref. 9710). One or more territories are occupied and defended each by a female where a single large male stands guard (Ref. 55082). All sexually mature females are territorial females (Ref. 55082). Demersal spawner (Ref. 35298).
发现于亚潮间带舄湖与临海礁石的珊瑚顶部与岩石中了。 (参考文献 4919,5503) 在各种不同的深度常见于岸礁。 拟态屯鱼, 雄姓具有领域性而且时常被见到战斗.(参考文献 48637) 主要吃丝状的绿藻与红藻，被囊类, 与在比较小量的珊瑚，苔藓虫类，多毛类动物，棘皮动物，软件动物与褐藻与珊瑚红藻上。 浅水型 (10-100个或更多) 通常有屯鱼, 副革单棘鲀〔Paraluteres prionurus〕 (大约 5% 的浅滩) 拟态 C. valentini 保护它免於掠食者.(參考文獻 4919,5503) 具有領域性與一雄多雌一起生活的; 雄性每天與一個不同的母魚交配。 (參考文獻 9710) 一個或多個領土被一個大的雄魚臺子保衛的一條母魚佔領而且防護每個。 (參考文獻 55082) 所有的性成熟雌性是具有領域性雌性。 (參考文獻 55082) 底棲產卵魚.(參考文獻 35298)
Life cycle and mating behavior
成熟度 | 繁殖 | 产卵场 | 卵 | 孕卵数 | 仔鱼
Oviparous (Ref. 205). Social and mating systems of this species are based upon female territoriality where polygyny results from males defending females occupying a certain territory (female-defense polygyny) (Ref. 55082). All sexually mature females are territorial females (Ref. 55082). Neither parent guards the eggs which are laid in a nest located in the female's territory (Ref. 46142).
During breeding, territorial females perform the 'caudal flexing with swollen abdomen display' to signal courtship and readiness to spawn. The male acknowledges with no courtship or color displays but rather by visiting the sites frequently. The territorial female then begins pecking at the substrate in preparation for egg laying. The female initiates the spawning event by pressing her abdomen into the prepared site. The territorial male quickly lays his body across her caudal peduncle and both remained in this position for 5-10 sec. The male swims away after leaving the female beating her anal fin rapidly over the nest site to ensure fertilization of the eggs and to push the eggs deep into the algal substrate (Ref. 46142). All territorial males spawn with territorial females, depriving the bachelor males of the chance to copulate which nevertheless don't interfere with the spawning between the territorial male and females (Ref. 46142).印度-太平洋: 红海南至南非的德尔班 (参考文献 4919) 而且东至 Tuamoto 岛, 北至日本南部, 南至罗得豪岛。
Myers, R.F., 1991. Micronesian reef fishes. Second Ed. Coral Graphics, Barrigada, Guam. 298 p. (Ref. 1602)
世界自然保护联盟红皮书 (Ref. 130435: Version 2024-1)
人类利用
渔业: 商业性; 水族馆: 商业性
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Estimates based on models
Preferred temperature (Ref.
123201): 24.6 - 28.9, mean 27.6 °C (based on 846 cells).
Phylogenetic diversity index (Ref.
82804): PD
50 = 0.5000 [Uniqueness, from 0.5 = low to 2.0 = high].
Bayesian length-weight: a=0.03388 (0.01919 - 0.05984), b=2.85 (2.70 - 3.00), in cm total length, based on LWR estimates for this species & Genus-body shape (Ref.
93245).
营养阶层 (Ref.
69278): 2.8 ±0.30 se; based on food items.
回复力 (Ref.
120179): 中等的, 族群倍增时间最少 1.4 - 4.4年 (Fecundity = 400).
Fishing Vulnerability (Ref.
59153): Low vulnerability (10 of 100).
Nutrients (Ref.
124155): Calcium = 113 [51, 272] mg/100g; Iron = 1.05 [0.51, 2.51] mg/100g; Protein = 17.9 [15.7, 20.1] %; Omega3 = 0.13 [0.06, 0.26] g/100g; Selenium = 39.9 [18.9, 91.4] μg/100g; VitaminA = 47.6 [12.6, 189.6] μg/100g; Zinc = 1.85 [1.19, 2.80] mg/100g (wet weight);
![Image of Canthigaster valentini (Valentin\](/images/thumbnails/jpg/tn_Caval_u2.jpg "Image of Canthigaster valentini (Valentin\")