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Orthochromis polyacanthus (Boulenger, 1899)

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drawing shows typical species in Cichlidae.


Congo (Kinshasa) country information

Common names: [No common name]
Occurrence: endemic
Salinity: freshwater
Abundance: | Ref:
Importance: | Ref:
Aquaculture: | Ref:
Regulations: | Ref:
Uses: live export: yes;
Comments: Known from Lake Mweru (Ref. 26626, 122085). Reports from Lower Congo rapids (Ref. 82335), Lindi River (Ref. 82324), Wagenia Falls (Ref. 82324, 106245) and Lualaba River (Ref. 82324) are either unconfirmed or questionable, or belong to other species (Ref. 26626, 106290).
National Checklist:
Country Information: https://www.cia.gov/library/publications/resources/the-world-factbook/geos/cg.html
National Fisheries Authority:
Occurrences: Occurrences Point map
Main Ref: Schedel, F.D.B., E.J.W.M.N. Vreven, B. Katemo Manda, E. Abwe, A. Chocha Manda and U.K. Schliewen, 2018
National Database:

Common names from other countries

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

Teleostei > Cichliformes (Cichlids, convict blennies) 鱸形目 (Cichlids, convict blennies) > Cichlidae (Cichlids) 麗魚科 (Cichlids) > Pseudocrenilabrinae
Etymology: Orthochromis: Greek, ortho = straight + Greek, chromis = a fish, perhaps a perch (Ref. 45335).
  More on author: Boulenger.

Environment: milieu / climate zone / depth range / distribution range 生态学

; 淡水 底中水层性.   熱帶; 25°C - 26°C (Ref. 12468); 1°N - 10°S

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

Africa: endemic to Lake Mweru (Ref. 26626, 122085). Reports from other parts of Congo River in Democratic Republic of the Congo (Ref. 82324, 82335, 106245) and Zambia (Ref. 246, 27609) are either unconfirmed or questionable, or belong to other species (Ref. 26626, 106290).
非洲: 從 Kisangani 區域到湖 Mweru 流域的剛果河流域上游 ; 在 Malebo 水池 (史坦利潭) 的附近, 也記錄自剛果河下游。

大小 / 重量 / 年龄

Maturity: Lm ?  range ? - ? cm
Max length : 11.8 cm TL 雄鱼/尚未辨别雌雄; (Ref. 4983)

简单描述 检索表 | 型态特徵 | 形态测量图

背棘 (总数) : 18 - 19; 背的软条 (总数) : 9; 臀棘: 3; 臀鳍软条: 7; 脊椎骨: 31 - 32.
颊的鳞片排列, 可变的, 前腹部地的一个无鳞片的区域; 胸鳞片的排列 , 细小与深嵌的鳞片, 有时有左右对称无鳞片的区域 (. 参考文献 28906) 后颈-颈背的鳞片看得见的, 大于被发现于的腹面的腹面的.(参考文献 26626)

生物学特性     字汇 (例如 epibenthic)

Rheophilic (Ref. 52307).

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

Mouthbrooding by females.非洲: 從 Kisangani 區域到湖 Mweru 流域的剛果河流域上游 ; 在 Malebo 水池 (史坦利潭) 的附近, 也記錄自剛果河下游。

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

Greenwood, H.P. and S.O. Kullander, 1994. A taxonomic review and redescription of Tilapia polyacanthus and T. stormsi (Teleostei: Cichlidae), with descriptions of two new Schwetzochromis species from the Upper Zaire River drainage. Ichthyol. Explor. Freshwat. 5(2):161-180. (Ref. 26626)

世界自然保护联盟红皮书 (Ref. 130435)

  最不相关 (LC) ; Date assessed: 16 February 2009

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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特别资料

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网络资源

Aquatic Commons | BHL | Cloffa | Websites from users | 核实 FishWatcher | CISTI | Catalog of Fishes(, ) | DiscoverLife | ECOTOX | Faunafri | Fishtrace | GenBank(基因组, 核苷酸) | GloBI | GOBASE | | Google Books | Google Scholar | Google | IGFA World Record | MitoFish | Otolith Atlas of Taiwan Fishes | PubMed | Reef Life Survey | Scirus | SeaLifeBase | 树状分类阶层 | Wikipedia(转至, 搜寻) | World Records Freshwater Fishing | 动物学的记录

Estimates based on models

Phylogenetic diversity index (Ref. 82804):  PD50 = 0.5001   [Uniqueness, from 0.5 = low to 2.0 = high].
Bayesian length-weight: a=0.01000 (0.00244 - 0.04107), b=3.04 (2.81 - 3.27), in cm Total Length, based on all LWR estimates for this body shape (Ref. 93245).
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).