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Gymnogeophagus taroba Casciotta, Almirón, Piálek & Říčan, 2017
Argentina country information
Common names:
[No common name]
Occurrence: endemic
Salinity: freshwater
Abundance: | Ref:
Importance: | Ref:
Aquaculture: never/rarely | Ref:
Regulations: no regulations | Ref:
Uses: no uses
Comments: Type locality of Gymnogeophagus taroba, Parque Nacional Iguazú (PNI), boca de arroyo Ñandú. It is endemic to the lower río Iguazú basin above the Iguazú falls (Ref. 123557).
National Checklist: Argentina
Country Information: https://www.cia.gov/library/publications/resources/the-world-factbook/geos/ar.html
National Fisheries Authority:
Occurrences: Occurrences Point map
Main Ref: Casciotta, J.R., A.E. Almirón, L. Piálek and O. Říčan, 2017
National Database:
Occurrence: endemic
Salinity: freshwater
Abundance: | Ref:
Importance: | Ref:
Aquaculture: never/rarely | Ref:
Regulations: no regulations | Ref:
Uses: no uses
Comments: Type locality of Gymnogeophagus taroba, Parque Nacional Iguazú (PNI), boca de arroyo Ñandú. It is endemic to the lower río Iguazú basin above the Iguazú falls (Ref. 123557).
National Checklist: Argentina
Country Information: https://www.cia.gov/library/publications/resources/the-world-factbook/geos/ar.html
National Fisheries Authority:
Occurrences: Occurrences Point map
Main Ref: Casciotta, J.R., A.E. Almirón, L. Piálek and O. Říčan, 2017
National Database:
Common names from other countries
分類 / Names 共通名の | 類義語 | Catalog of Fishes(部類, 種) | ITIS | CoL | WoRMS | Cloffa
> Cichliformes (Cichlids, convict blennies) > Cichlidae (Cichlids) > Geophaginae
Etymology: Gymnogeophagus: Greek, gymnos = naked + Greek, gea = the earth + Greek, phaegein, to eat (Ref. 45335); taroba: Name from Tarobá, a warrior, referring to a legend of the Kaingang people; noun in apposition.
Eponymy: Tarobá was a warrior in a legend of the Kaingang people, who were the first inhabitants of the present-day province of Misiones in Argentina, particularly the Río Iguazú basin, above the falls, where these species occur. [...] (Ref. 128868), visit book page.
Etymology: Gymnogeophagus: Greek, gymnos = naked + Greek, gea = the earth + Greek, phaegein, to eat (Ref. 45335); taroba: Name from Tarobá, a warrior, referring to a legend of the Kaingang people; noun in apposition.
Eponymy: Tarobá was a warrior in a legend of the Kaingang people, who were the first inhabitants of the present-day province of Misiones in Argentina, particularly the Río Iguazú basin, above the falls, where these species occur. [...] (Ref. 128868), visit book page.
Environment: milieu / climate zone / depth range / distribution range 生態学
; 新鮮な水 底生の漂泳性. Tropical
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
South America: Argentina.
サイズ / 重さ / 年齢
簡単な記述 検索表 | 形態学 | 形態計測学
背面の脊椎 (合計) : 12 - 14; 背鰭 (合計) : 9 - 11; 肛門の骨: 3; 臀鰭: 7 - 10; 脊つい: 26 - 27. This species is distinguished from all its congeners in the gymnogenys group by having 23-25 E1 scales and the absence in adult males of a well-developed adipose hump. It is most easily distinguished from all species in the G. rhabdotus group (with terrapurpura, meridionalis, setequedas, che) by the pigmentation of the dorsal fin, where the spiny section of the dorsal fin lacks any markings (vs. various types of markings) and the soft section has long and thin whitish light blue lines parallel to rays (vs. wide stripes rhabdotus, a combination of roundish spots at the base and stripes of various length and width distally meridionalis, terrapurpura, setequedas, che; the anal fin also has long and thin whitish light blue lines parallel to rays (vs. spotted in terrapurpura and a combination of roundish spots at the base and stripes of various length and width distally in rhabdotus, meridionalis, setequedas, che, however, in setequedas only the posterior half of the anal fin has markings, while the anterior half has none. Within the G. setequedas group, G. taroba differs by having opalescent lines on posterior part of body and on caudal peduncle narrow, starting behind the midlateral blotch and are not found on the dorsum above the upper lateral line (vs. wide, beginning in front of the midlateral blotch and are found on the dorsum in setequedas, che); the midlateral blotch usually conspicuous and dominant, as in che (vs. inconspicuous in setequedas); opalescent markings on head large and dominant, present on opercular series, as in che (vs. small and inconspicuous, usually absent from opercular series in setequedas); body scales or their centers are grey, as in setequedas (vs. scale centers on at least the posterior part of body and caudal peduncle distinctly reddish-brown in che); the caudal fin with best developed white longitudinal lines and most pronounced difference between a yellow to orange central portion of the fin and red dorsal and ventral margins; it differs further from setequedas by having a longer snout, 44.4-53.7 %HL (vs. 30.8-44.7) and from che by having a deeper body, 40.2-46.1 % of SL (vs. 37.3-40.7) (Ref. 123557).
This species is mainly in pools and lentic stretches of smaller streams with muddy or sandy bottoms. Some specimens were collected in pools between rock-gardens in the Iguazú main channel (Pasarela a Garganta del Diablo and pasarela a salto San Martín) and are ecologically very similar to the small tributary streams with similar stony substrates and muddy bottoms (Ref. 123557).
Life cycle and mating behavior 成熟 | 繁殖 | 放精 | 卵 | 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 : Kullander, Sven O. | 協力者
Casciotta, J.R., A.E. Almirón, L. Piálek and O. Říčan, 2017. Gymnogeophagus taroba (Teleostei : Cichlidae ), a new species from the río Iguazú basin, Misiones, Argentina. Historia Natural 7(2):5-22. (Ref. 123557)
人間に対する脅威
Harmless
Human uses
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より多くの情報
Trophic ecology
食品種目概要について
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捕食動物
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生態学
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卵
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卵の開発
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Brain
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Brain
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酸素消費
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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
遺伝子の
Heterozygosity
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特記事項
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インターネットの情報源
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Estimates based on models
Phylogenetic diversity index (Ref. 82804): PD50 = No PD50 data [Uniqueness, from 0.5 = low to 2.0 = high].
Bayesian length-weight: a=0.01995 (0.00926 - 0.04297), b=3.01 (2.83 - 3.19), in cm Total Length, based on LWR estimates for this (Sub)family-body shape (Ref. 93245).
栄養段階 (Ref. 69278): 3.3 ±0.5 se; based on size and trophs of closest relatives
回復力 (Ref. 120179): 高い, １５か月以下の倍増期間の最小個体群 (Preliminary K or Fecundity.).
Fishing Vulnerability (Ref. 59153): Low vulnerability (10 of 100).