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Arnoldichthys spilopterus (Boulenger, 1909)

Niger tetra
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Arnoldichthys spilopterus
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分類 / Names 共通名の | 類義語 | Catalog of Fishes(部類, ) | ITIS | CoL | WoRMS | Cloffa

> Characiformes (Characins) > Alestidae (African tetras)
Etymology: Arnoldichthys: Because of Johann Pane Arnold, born in Germany, 1869-1952 (Ref. 45335).
Eponymy: Johann Paul Arnold (1869–1952) was a German aquarist in Hamburg. He sent specimens to Boulenger for study and identification. He co-wrote: The alien freshwater fish (1936). (Ref. 128868), visit book page.
More on author: Boulenger.

Environment: milieu / climate zone / depth range / distribution range 生態学

; 新鮮な水 外洋の; pH range: 6.0 - 8.0; dH range: 5 - 19. Tropical; 23°C - 28°C (Ref. 1672)

分布 国々 | 国連食糧農業機関の区域 | エコシステム | 事件 | Point map | 導入 | Faunafri

Africa: lower Niger and Ogun rivers in Nigeria (Ref. 2880, 81279).

サイズ / 重さ / 年齢

Maturity: Lm ?  range ? - ? cm
Max length : 9.6 cm SL オス/雌雄の選別がない; (Ref. 2880)

簡単な記述 検索表 | 形態学 | 形態計測学

肛門の骨: 0; 臀鰭: 14. Diagnosis: scales distinctly larger above than below lateral-line; 8 teeth in outer tooth row of upper jaw; parietal fontanel absent (Ref. 2880, 81279).

生物学     用語集 (例 epibenthic)

Feeds on worms, insects and crustaceans. In aquaria, female lays up to 1000 eggs, after vigorous driving by the male, which hatch in 30 to 34 hours (Ref. 7020). Aquarium keeping: in groups of 5 or more individuals; minimum aquarium size 100 cm (Ref. 51150).

Life cycle and mating behavior 成熟 | 繁殖 | 放精 | | 生産力 | 幼生

主な参考文献 Upload your references | 参考文献 | コーディネーター | 協力者

Paugy, D., 1990. Characidae. p. 195-236. In C. Lévêque, D. Paugy and G.G. Teugels (eds.) Faune des poissons d'eaux douces et saumâtres de l'Afrique de l'Ouest. Tome I. Coll. Faune Tropicale n° XXVIII. Musée Royal de l'Afrique Centrale, Tervuren et O.R.S.T.O.M., Paris, 384 p. (Ref. 2880)

IUCNのレッドリストの状況は (Ref. 130435: Version 2024-1)

  絶滅危惧 (EN) (B2ab(i,ii,iii)); Date assessed: 12 August 2019

CITES

Not Evaluated

CMS (Ref. 116361)

Not Evaluated

人間に対する脅威

  Harmless





Human uses

水産業: 商業; 水族館・水槽: 商業
FAO - Publication: search | FishSource |

より多くの情報

Trophic ecology
食品種目概要について
餌の構成
摂食量
Food rations
捕食動物
Ecology
生態学
Population dynamics
成長のパラメーター
Max. ages / sizes
Length-weight rel.
Length-length rel.
体長組成
Mass conversion
補充
豊度
Life cycle
繁殖
成熟
Maturity/Gills rel.
生産力
放精
Spawning aggregations

卵の開発
幼生
幼生の動力
Anatomy
カマ
Brain
Otolith
Physiology
Body composition
Nutrients
酸素消費
水泳形態
泳ぐ速さ
Visual pigments
Fish sound
Diseases & Parasites
Toxicity (LC50s)
Genetics
遺伝子の
Heterozygosity
遺伝
Human related
Aquaculture systems
水産養殖の紹介
緊張
Ciguatera cases
Stamps, coins, misc.
Outreach
協力者
References
参考文献

用具

特記事項

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インターネットの情報源

AFORO (otoliths) | Aquatic Commons | BHL | Cloffa | BOLDSystems | Websites from users | Check FishWatcher | CISTI | Catalog of Fishes: 部類, | DiscoverLife | ECOTOX | FAO - Publication: search | Faunafri | Fishipedia | Fishtrace | GenBank: ゲノム, ヌクレオチド | GloBI | Google Books | Google Scholar | Google | IGFA World Record | MitoFish | Otolith Atlas of Taiwan Fishes | 公共の水族館 | PubMed | Reef Life Survey | Socotra Atlas | 生命の木 | Wikipedia: 行く, 検索する | World Records Freshwater Fishing | 動物に関する記録

Estimates based on models

Phylogenetic diversity index (Ref. 82804):  PD50 = 1.0000   [Uniqueness, from 0.5 = low to 2.0 = high].
Bayesian length-weight: a=0.01072 (0.00484 - 0.02371), b=3.02 (2.84 - 3.20), in cm total length, based on LWR estimates for this (Sub)family-body shape (Ref. 93245).
栄養段階 (Ref. 69278):  3.1   ±0.32 se; based on food items.
回復力 (Ref. 120179):  手段, 1.4年~4.4年の倍増期間の最小個体群 (Fec=1000).
Fishing Vulnerability (Ref. 59153):  Low vulnerability (10 of 100).
価格帯 (Ref. 80766):   Unknown.