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: Ptychochromoides: Greek, ptyx, ptychos = fold + Greek, chromis = a fish, perhaps a perch (Ref. 45335).
Environment: milieu / climate zone / depth range / distribution range
生態學
; 淡水 底中水層性. 熱帶
Africa: central Madagascar.
非洲: 中央的馬達加斯加。
大小 / 重量 / 年齡
Maturity: Lm ? range ? - ? cm
Max length : 12.3 cm SL 雄魚/尚未辨別雌雄; (Ref. 53256)
簡短描述
檢索表 | 型態特徵 | 形態測量圖
Differs from congeners by the presence of a pronounced occipital hump, regardless of size, sexual maturity or sex; shorter predorsal length; more elongate terminal dorsal-fin spine; and shorter snout (Ref. 53256).
有別於同類藉由有一個明顯的後頭骨隆起, 不管大小, 性成熟或性別; 比較短的前背長度; 更細長的末端背鰭棘; 而且較短的吻.(參考文獻 53256)
The largest specimen caught was in the immature stage (Ref. 53256).
Life cycle and mating behavior
成熟度 | 繁殖 | 產卵場 | 卵 | 孕卵數 | 仔魚
非洲: 中央的馬達加斯加。
Sparks, J.S., 2004. A new and presumably extinct species of Ptychochromoides (Teleostei: Perciformes: Cichlidae) from central Madagascar. Zootaxa 524:1-15. (Ref. 53256)
IUCN 瀕危狀態 (Ref. 130435: Version 2024-2)
極危 (CR) (B1ab(iii)); Date assessed: 29 June 2016
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Estimates based on models
Phylogenetic diversity index (Ref.
82804): PD
50 = 0.6250 [Uniqueness, from 0.5 = low to 2.0 = high].
Bayesian length-weight: a=0.01995 (0.00906 - 0.04395), b=3.01 (2.83 - 3.19), in cm total length, based on all LWR estimates for this body shape (Ref.
93245).
營養階層 (Ref.
69278): 3.3 ±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 (10 of 100).
