分類 / Names
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); bwathondii: This species is named in honour of Prof. Dr. Philip O.J. Bwathondi, Director General of the Tanzania Fisheries Research Institute (TAFIRI) from August 1983 until the end of 2006; during this period Prof. Bwathondi supported the research of the Haplochromis Ecology Survey Team (HEST) in many ways (Ref. 85523).
Environment: milieu / climate zone / depth range / distribution range
生態學
; 淡水 大洋性.
Africa: Lake Victoria (Ref. 85523).
大小 / 重量 / 年齡
Maturity: Lm ? range ? - ? cm
Max length : 8.2 cm SL 雄魚/尚未辨別雌雄; (Ref. 85523)
簡短描述
型態特徵 | 形態測量圖
脊椎骨: 28 - 30. Diagnosis: Haplochromis bwathondii is a small sized (less than 9 cm standard length), micrognathic species with a normal to relatively slender body outline, body depth 29.7-35.7% of standard length; with bicuspid and tricuspid teeth in the oral jaws and a moderately curved dorsal head profile; it has a melanin pattern of dusky, interrupted, longitudinal bands and vertical bars, producing a so-called 'chess board pattern'; this pattern also occurs in several oral shelling molluscivores, insectivores and algae scrapers, but these species generally are larger, have a strongly curved dorsal head profile and a lower jaw length/width ratio of less than 1.5, whereas in H. bwathondii it ranges from 2.0 to 2.8 (Ref. 85523). Haplochromis bwathondii differs from other small species with a 'chess board pattern' and a lower jaw length/width ratio of more than 1.5, H. sphex and H. sauvagei, in live colouration of sexually active males, by having red in the rostral part of the body; further, it differs from H. sphex by having a deeper body and a larger eye (Ref. 85523). On first impression the colours of sexually active males of H. bwathondii and H. sauvagei look alike; however males of H. bwathondii have a less distinct 'chess board pattern', are less yellow and have a silvery iridescent area on each scale, giving them a silvery appearance; furthermore H. bwathondii has a larger eye, thinner lips, a narrower lower jaw and less stout teeth with a relatively larger flange than H. sauvagei (Ref. 85523).
Found in the sub-littoral areas of the Mwanza Gulf, over mud bottoms; it is a mainly pelagic species (Ref. 85523). Before the ecological changes in Lake Victoria, this species fed mainly on Cyanophyta, both during day and night; Aulacoseira and occasionally other small diatoms such as Nitzschia were also consumed, as well as adult insects and insect pupae from the water surface (Ref. 85523). This species is a female mouth brooder that spawns the whole year (Ref. 85523).
Life cycle and mating behavior
成熟度 | 繁殖 | 產卵場 | 卵 | 孕卵數 | 仔魚
This species is a female mouth brooder that spawns the whole year (Ref. 85523).
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)
人類使用
漁業:
更多資訊
年龄/大小成長長度-重量長度-長度長度-頻率形態測量圖型態特徵仔魚稚魚動力學入添量豐度BRUVS
參考文獻養殖養殖資訊品種遺傳學Electrophoreses遺傳率疾病加工NutrientsMass conversion
合作者照片Stamps, Coins Misc.聲音神經毒速度泳型鰓區Otoliths腦重體重比眼睛色素
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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=0.01514 (0.00700 - 0.03275), b=2.97 (2.80 - 3.14), in cm total length, based on LWR estimates for this (Sub)family-body shape (Ref.
93245).
營養階層 (Ref.
69278): 3.3 ±0.4 se; based on size and trophs of closest relatives
Fishing Vulnerability (Ref.
59153): Low vulnerability (10 of 100).
