You can sponsor this page

Polypterus ansorgii Boulenger, 1910

Guinean bichir
上传你的 图片 和 影像
 Pictures | 谷歌图片
Image of Polypterus ansorgii (Guinean bichir)
Polypterus ansorgii
Picture by Chang, Y.C.

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

Cladistii > Polypteriformes (Bichirs) > Polypteridae (Bichirs)
Etymology: Polypterus: Greek, poly = a lot of + Greek, pteron = wing, fin (Ref. 45335); ansorgii: Named after Dr. W.J. Ansorge (Ref. 43036).
Eponymy: Dr William John Ansorge (1850–1913) was an English explorer and collector who was active in Africa in the second half of the 19th century. [...] (Ref. 128868), visit book page.
More on author: Boulenger.

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

; 淡水 居于水底的.

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

Africa: The species is described from the Corubal River in Guinea Bissau (Ref. 2835, 81263); and it has been reported recently from the Niger basin in Guinea and in lake Kainji and the Ogun River in Nigeria (Ref. 2835, 81263).

大小 / 重量 / 年龄

Maturity: Lm ?  range ? - ? cm
Max length : 28.0 cm TL 雄鱼/尚未辨别雌雄; (Ref. 81263)

简单描述 检索表 | 型态特徵 | 形态测量图

背棘 (总数) : 13 - 15; 背的软条 (总数) : 0; 臀棘: 0; 臀鳍软条: 12 - 14. Diagnosis: Polypterus ansorgii is distinguished from other species of the genus by its two jaws of equal length and its dorsal fin set forward, only separated from the head by 11 to 13 scales (Ref. 2835, 81263).

生物学特性     字汇 (例如 epibenthic)

Facultative air-breathing (Ref. 126274)

Life cycle and mating behavior 成熟度 | 繁殖 | 产卵场 | 卵 | 孕卵数 | 仔鱼


主要参考文献 Upload your references | 参考文献 | 合作者 | 合作者

Gosse, J.P. and J. Daget, 2003. Polypteridae. p. 101-112. In D. Paugy, C. Lévêque and G.G Teugels (eds.) The fresh and brackish water fishes of West Africa Volume 1. Coll. faune et flore tropicales 40. Institut de recherche de développement, Paris, France, Muséum national d'histoire naturelle, Paris, France and Musée royal de l'Afrique Central, Tervuren, Belgium, 457p. (Ref. 81263)

世界自然保护联盟红皮书 (Ref. 130435: Version 2024-1)

  最不相关 (LC) ; Date assessed: 23 April 2020

CITES

Not Evaluated

CMS (Ref. 116361)

Not Evaluated

对人类的威胁

 





人类利用

FAO - Publication: search | FishSource |

更多信息

Trophic ecology
食物相
食性组成
食物消耗量
Food rations
捕食者
Ecology
生态学
Population dynamics
成长参数
Max. ages / sizes
Length-weight rel.
Length-length rel.
体长-频率
Mass conversion
入添量
丰度
Life cycle
繁殖
成熟度
Maturity/Gills rel.
孕卵数
产卵场
Spawning aggregations
卵
卵的发育
仔鱼
稚鱼动力学
Distribution
国家
FAO区域
生态系
标本纪录
简介
BRUVS - Videos
Anatomy
鳃区
Brain
Otolith
Physiology
Body composition
Nutrients
耗氧量
游泳类型
游泳速度
Visual pigments
Fish sound
Diseases & Parasites
Toxicity (LC50s)
Genetics
遗传学
Heterozygosity
遗传率
Human related
Aquaculture systems
水产养殖描述
品种
Ciguatera cases
Stamps, coins, misc.
Outreach
合作者
Taxonomy
俗名
同种异名
型态特徵
形态测量图
照片
References
参考文献

工具

E-book | 野外调查 | 检索表 | 长度- 频率 Wizard | 生活- 历史的工具 | 分布图 | Classification Tree | Catch-MSY |

特别资料

核实 相关养殖管理页面 | 核实 相关物种介绍页面 | 核实 相关水产介绍页面

下载 XML

摘要页面 | 点图资料 | 俗名 | 图片

网络资源

AFORO (otoliths) | Aquatic Commons | BHL | Cloffa | BOLDSystems | Websites from users | 核实 FishWatcher | CISTI | Catalog of Fishes: 属, 种 | DiscoverLife | ECOTOX | FAO - Publication: search | Faunafri | Fishipedia | Fishtrace | GenBank: 基因组, 核苷酸 | GloBI | Google Books | Google Scholar | Google | IGFA World Record | MitoFish | Otolith Atlas of Taiwan Fishes | PubMed | Reef Life Survey | Socotra Atlas | 树状分类阶层 | Wikipedia: 转至, 搜寻 | World Records Freshwater Fishing | Zoobank | 动物学的记录

Estimates based on models

Phylogenetic diversity index (Ref. 82804):  PD50 = 0.5002   [Uniqueness, from 0.5 = low to 2.0 = high].
Bayesian length-weight: a=0.00457 (0.00197 - 0.01063), b=3.05 (2.85 - 3.25), in cm total length, based on LWR estimates for this (Sub)family-body shape (Ref. 93245).
营养阶层 (Ref. 69278):  3.2   ±0.5 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 (18 of 100).