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) > Ptychochrominae
Etymology: Ptychochromis: Greek, ptyx, = fold + Greek, chromis = a fish, perhaps a perch (Ref. 45335).
Eponymy: Alfred Grandidier (1836–1921) was a French explorer, geographer, herpetologist and ornithologist who made his first visit to Madagascar in 1865. [...] (Ref. 128868), visit book page.
More on author: Sauvage.
Environment: milieu / climate zone / depth range / distribution range
生態學
; 淡水; 半鹹淡水 居於水底的. 熱帶
Africa: Restricted to the eastern drainages of Madagascar.
非洲: 侷限於馬達加斯加的東方流域了。
大小 / 重量 / 年齡
Maturity: Lm ? range ? - ? cm
Max length : 21.3 cm SL 雄魚/尚未辨別雌雄; (Ref. 50642)
Expansive second pharyngobranchial tooth plates with 4-7 rows of closely set teeth (Ref. 50642). A yellowish to golden base coloration with a horizontal series of well-defined black blotches situated mid-laterally on the flank (Ref. 50642).
易膨脹的第二個咽鰓骨齒板有4-7 列的緊密地在一起齒.(參考文獻 50642) 一淡黃色的對金的基底顏色具有一個水平的數列很清晰被在側面上側面中央地位於的黑色的斑塊.(參考文獻 50642)
Life cycle and mating behavior
成熟度 | 繁殖 | 產卵場 | 卵 | 孕卵數 | 仔魚
非洲: 侷限於馬達加斯加的東方流域了。
Sparks, J.S., 2003. Taxonomic status of the Malagasy cichlid Ptychochromis grandidieri (Teleostei: Cichlidae), including a molecular phylogenetic analysis of the ptychochromine cichlids. Ichthyol. Explor. Freshwat. 14(4):317-328. (Ref. 50642)
IUCN 瀕危狀態 (Ref. 130435: Version 2024-1)
無危 (LC) ; Date assessed: 27 June 2016
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Estimates based on models
Phylogenetic diversity index (Ref.
82804): PD
50 = 0.5010 [Uniqueness, from 0.5 = low to 2.0 = high].
Bayesian length-weight: a=0.01122 (0.00514 - 0.02450), b=3.04 (2.87 - 3.21), in cm total length, based on all LWR estimates for this body shape (Ref.
93245).
營養階層 (Ref.
69278): 3.4 ±0.5 se; based on size and trophs of closest relatives
回復力 (Ref.
120179): 高度, 族群倍增時間少於 15個月 (Preliminary K or Fecundity.).
Fishing Vulnerability (Ref.
59153): Low vulnerability (16 of 100).
