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Ptychochromis inornatus Sparks, 2002

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Ptychochromis inornatus
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Madagascar country information

Common names: Juba, Tsipoy
Occurrence: endemic
Salinity: freshwater
Abundance: fairly common (chances are about 50%) | Ref: Sparks, J.S., 2002
Importance: | Ref:
Aquaculture: | Ref:
Regulations: | Ref:
Uses: no uses
Comments: Type locality, Anjingo R., Ankofia drainage, NE of Antsohihy, Antalaha /Majunga Province. Endemic to the Ankofia drainage basin and its tributaries, including Anjingo R. and Lac Andrapongy, in the northwestern part of the country. Place of occurrence are generally shallow, clear, moderate ro swift flowing, subject to vast seasonal fluctuation in water level and flow rate. Common in the small and densely forested Bemahavony R. within the reserve than in the surrounding larger river channels (Ref. 41510).
National Checklist:
Country Information: https://www.cia.gov/library/publications/resources/the-world-factbook/geos/ma.html
National Fisheries Authority:
Occurrences: Occurrences Point map
Main Ref: Sparks, J.S., 2002
National Database:

Common names from other countries

Tsipoy, Juba, ... more

分类 / Names 俗名 | 同种异名 | Catalog of Fishes(属, 种) | ITIS | CoL | WoRMS | Cloffa

Teleostei > Cichliformes (Cichlids, convict blennies) 鱸形目 (Cichlids, convict blennies) > Cichlidae (Cichlids) 麗魚科 (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 生态学

; 淡水; 半咸淡水 底中水层性.   熱帶; 14°S - 16°S

分布 国家 | FAO区域 | 生态系 | 标本纪录 | Point map | 简介 | Faunafri

Africa: Madagascar.
非洲: 馬達加斯加。

大小 / 重量 / 年龄

Maturity: Lm ?  range ? - ? cm
Max length : 12.2 cm SL 雄鱼/尚未辨别雌雄; (Ref. 41510)

简单描述 检索表 | 型态特徵 | 形态测量图

背棘 (总数) : 13 - 14; 背的软条 (总数) : 9 - 11; 臀棘: 3; 臀鳍软条: 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.
没有大又黑色的斑块或在系列被布署的条纹沿着侧面的中线。 第二个咽鳃骨齿碟有两个列的齿。 第一个上鳃骨至少的结实 unicate 突起两次前臂的直径。 缩小的在第一个上鳃骨的手臂之间的角了。 在下肢 10 上的鳃耙.(典型地) 上枕骨冠有截形的而且圆的 postero-上缘。 鳍颜色活着时深的橘红色。 前面的胸鳞片深入的与缩小的。

生物学特性     字汇 (例如 epibenthic)

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).

标本收集了在浅且清澈, 适度的到湍急的流动水; 也从较深的水池或从根据上悬的浅堆与植物。 食物高变异的, 显然地一个杂食者.(参考文献 41510)

Life cycle and mating behavior Maturities | 繁殖 | Spawnings | Egg(s) | Fecundities | 仔鱼

非洲: 馬達加斯加。

主要参考文献 Upload your references | 参考文献 | 合作者 : Kullander, Sven O. | 合作者

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)

世界自然保护联盟红皮书 (Ref. 130435)

  濒危 (EN) (B1ab(iii)); Date assessed: 27 June 2016

CITES (Ref. 128078)

Not Evaluated

CMS (Ref. 116361)

Not Evaluated

对人类的威胁

  无害处的




人类利用

FAO(Publication : search) | FishSource |

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Estimates based on models

Phylogenetic diversity index (Ref. 82804):  PD50 = 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).
营养阶层 (Ref. 69278):  3.3   ±0.3 se; based on size and trophs of closest relatives
回复力 (Ref. 120179):  高度, 族群倍增时间少于 15个月 (Preliminary K or Fecundity.).
Fishing Vulnerability (Ref. 59153):  Low vulnerability (10 of 100).