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); inornatus: From the lack of a series of large, dark lateral blotches on the flanks and its overall plain appearance compared to congeneric species.
Environment: milieu / climate zone / depth range / distribution range
生態學
; 淡水; 半鹹淡水 底中水層性. 熱帶; 14°S - 16°S
Africa: Madagascar.
非洲: 馬達加斯加。
大小 / 重量 / 年齡
Maturity: Lm ? range ? - ? cm
Max length : 12.2 cm SL 雄魚/尚未辨別雌雄; (Ref. 41510)
背棘 (總數) : 13 - 14; 背的軟條 (總數) : 9 - 11; 臀棘: 3; 臀鰭軟條: 8 - 9; 脊椎骨: 26 - 27. No large, black blotches or bands arrayed in series along the lateral midline. Second pharyngobranchial tooth plate with 2 rows of teeth. Robust unicate process of the first epibranchial bone at least twice the diameter of the anterior arm. Reduced angle between arms of the first epibranchial. Gill rakers on lower limb 10 (modally). Supraoccipital crest with truncate and rounded postero-dorsal margin. Fin coloration in life deep orangish-red. Anterior chest scales embedded and reduced in size.
沒有大又黑色的斑塊或在系列被佈署的條紋沿著側面的中線。 第二個咽鰓骨齒碟有兩個列的齒。 第一個上鰓骨至少的結實 unicate 突起兩次前臂的直徑。 縮小的在第一個上鰓骨的手臂之間的角了。 在下肢 10 上的鰓耙.(典型地) 上枕骨冠有截形的而且圓的 postero-上緣。 鰭顏色活著時深的橘紅色。 前面的胸鱗片深入的與縮小的。
Specimens collected in shallow, clear, moderate to swift flowing water; also from deeper pools or from under overhanging banks and vegetation. Diet highly variable, apparently an omnivore (Ref. 41510).
標本收集了在淺且清澈, 適度的到湍急的流動水; 也從較深的水池或從根據上懸的淺堆與植物。 食物高變異的, 顯然地一個雜食者.(參考文獻 41510)
Life cycle and mating behavior
成熟度 | 繁殖 | 產卵場 | 卵 | 孕卵數 | 仔魚
非洲: 馬達加斯加。
Sparks, J.S., 2002. Ptychochromis inornatus: a new cichlid (Teleostei: Cichlidae) from northwestern Mdagascar, with a discussion on intrageneric variation in Ptychochromis. Copeia 2002(1):120-130. (Ref. 41510)
IUCN 瀕危狀態 (Ref. 130435: Version 2024-1)
瀕危 (EN) (B1ab(iii)); Date assessed: 27 June 2016
人類使用
漁業: 沒有興趣
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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=0.01995 (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).
