Haplochromis vanoijeni de Zeeuw & Witte, 2010
分類 / 名稱 俗名 | 同種異名 | Catalog of Fishes(屬, 種) | ITIS | CoL | WoRMS | Cloffa
Teleostei > Cichliformes (Cichlids, convict blennies) 鱸形目 (Cichlids, convict blennies) > Cichlidae (Cichlids) 慈鯛科魚類 (Cichlids) > Pseudocrenilabrinae
Etymology: Haplochromis: Greek, Haploos = single + Greek, chromis = a fish, perhaps a perch (Ref. 45335); vanoijeni: This species is named in honour of Dr. Martien J.P. van Oijen, ichthyologist of the Netherlands Centre of Biodiversity, Naturalis, in appreciation for his work on taxonomy and ecology of the haplochromine cichlids of Lake Victoria; Dr. van oijen was one of the pioneers of the Haplochromis Ecology Survey Team (HEST) of Leiden University that started its fieldwork on Lake Victoria in 1977 (Ref. 85523).
Eponymy: Martien J P van Oijen is a Dutch ichthyologist at the Naturalis Biodiversity Centre (Leiden, Netherlands). [...] (Ref. 128868), visit book page.
Etymology: Haplochromis: Greek, Haploos = single + Greek, chromis = a fish, perhaps a perch (Ref. 45335); vanoijeni: This species is named in honour of Dr. Martien J.P. van Oijen, ichthyologist of the Netherlands Centre of Biodiversity, Naturalis, in appreciation for his work on taxonomy and ecology of the haplochromine cichlids of Lake Victoria; Dr. van oijen was one of the pioneers of the Haplochromis Ecology Survey Team (HEST) of Leiden University that started its fieldwork on Lake Victoria in 1977 (Ref. 85523).
Eponymy: Martien J P van Oijen is a Dutch ichthyologist at the Naturalis Biodiversity Centre (Leiden, Netherlands). [...] (Ref. 128868), visit book page.
環境： 環境 / 氣候帶 / 深度上下限 / 配送範圍 生態學
; 淡水 居於水底的.
分布 領土 | FAO區域 | 生態系 | 發現紀錄 | 分布圖 | 簡介 | Faunafri
Africa: Lake Victoria (Ref. 85523).
大小 / 重量 / 年齡
簡短描述 檢索表 | 型態特徵 | 形態測量圖
Diagnosis: Haplochromis vanoijeni is a small sized (less than 9 cm standard length), micrognathic species with generalized body profile, but with a relatively long and acute snout; because of the latter, and its relatively small interorbital width, the species bears some resemblance with species of the 'tridens' group; indeed, it has some tricuspid teeth rostrally in the outer row of the oral jaws (Ref. 85523). It differs from eight of the nine described species in the 'tridens' group in the colouration of sexually active males: dorsum and flanks in sexually active males of Haplochromis vanoijeni are bright red; both males and females have conspicuously silverish-white cheeks, contrasting with the remaining head colours, which is a unique character among Lake Victoria haplochromines (Ref. 85523). From Haplochromis tridens, of which the colouration of live, sexually active males is unknown, it differs in the following characters: the lower jaw is shorter, lower jaw length 40.9-44.7% of head length vs. 43.3-51.8%; a larger interorbital width, 17.6-20.5% of head length vs. 15.0-19.5%; in contrast to H. vanoijeni, H. tridens has a dorsal head profile that is interrupted by a prominent premaxillary pedicel, and a cephalic line system with prominent pores (Ref. 85523). Besides by its specific colouration pattern, H. vanoijeni can be distinguished from all described species in the 'tridens' group by its larger body depth, 33.1-36.2% of standard length vs. 30.6-33.6%; the lower jaw of H. vanoijeni is shorter, 40.9-44.7% of standard length, than tah of most described species in the 'trident' group, except for that of H. cryptogramma and that of H. plutonius (Ref. 85523).
Body shape (shape guide): fusiform / normal.
Body shape (shape guide): fusiform / normal.
A benthic species, caught mainly in the deeper parts, more than 10 m depth, in the Mwanza Gulf, over mud bottoms; occasionally caught over mud in shallower areas (Ref. 85523). Before the ecological changes in Lake Victoria, this species fed mainly on detritus; occasionally remains of shrimps and insects were found (Ref. 85523). This species is a female mouth brooder (Ref. 85523).
生命週期和交配行為 成熟度 | 繁殖 | 產卵場 | 卵 | 孕卵數 | 仔魚
This species is a female mouth brooder (Ref. 85523).
主要參考資料
上傳您的推薦信 | 參考文獻 | 合作者 : Kullander, Sven O. | 合作者
de Zeeuw, M.P., M. Mietes, P. Niemantsverdriet, S. ter Huurne and F. Witte, 2010. Seven new species of detritivorous and phytoplanktivorous haplochromines from Lake Victoria. Zool. Meded. Leiden 84:201-250. (Ref. 85523)
CITES
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解剖學
鰓區
腦部
耳石
鰓區
腦部
耳石
生理學
身體成分
營養素
耗氧量
游泳類型
游泳速度
視覺色素
魚聲
疾病與寄生蟲
毒性 (LC50s)
身體成分
營養素
耗氧量
游泳類型
游泳速度
視覺色素
魚聲
疾病與寄生蟲
毒性 (LC50s)
遺傳學
基因組
遺傳學
異種性
遺傳率
遺傳多樣性
基因組
遺傳學
異種性
遺傳率
遺傳多樣性
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網路資源
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基於模型的估計
系統發育多樣性指數 (參考文獻 82804): PD50 = 0.5000 [Uniqueness, from 0.5 = low to 2.0 = high].
Bayesian length-weight: a=0.01445 (0.00671 - 0.03113), b=2.99 (2.82 - 3.16), in cm total length, based on LWR estimates for this (Sub)family-body shape (Ref. 93245).
營養階層 (參考文獻 69278): 3.3 ±0.4 se; based on size and trophs of closest relatives