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Scoloplax baileyi Rocha, Lazzarotto & Py-Daniel, 2012

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drawing shows typical species in Scoloplacidae.

Brazil country information

Common names: [No common name]
Occurrence: native
Salinity: freshwater
Abundance: | Ref:
Importance: | Ref:
Aquaculture: | Ref:
Regulations: | Ref:
Uses: no uses
Comments: Type locality, Amazonas State, Barcelos, Rio Negro basin, Igarapé do Ingá, right bank tributary of Rio Arara, Rio Unini basin, INPA 35637 (holotype of Scoloplax baileyi, 1.4 cm SL). Found in streams of the Rio Unini, lower Rio Negro basin and a single specimen (MZUSP 34760) found in Anavilhanas, lower Rio Negro basin, suggests a more widespread distribution (Ref. 92919).
National Checklist:
Country Information: https://www.cia.gov/library/publications/resources/the-world-factbook/geos/br.html
National Fisheries Authority:
Occurrences: Occurrences Point map
Main Ref: Rocha, M., H. Lazzarotto and L.H. Rapp Py-Daniel, 2012
National Database:

Common names from other countries

... more

分類 / Names 俗名 | 同種異名 | Catalog of Fishes(屬, 種) | ITIS | CoL | WoRMS | Cloffa

Teleostei > Siluriformes (Catfishes) 鯰形目 (Catfishes) > Scoloplacidae (Spiny dwarf catfishes) 尖嘴鯰科 (Spiny dwarf catfishes)
Etymology: Scoloplax: Greek, skoloplax = a thorned plate (Ref. 45335);  baileyi: Named for Dr. Reeve M. Bailey (1911-2011), for his remarkable contributions to ichthyology including the description of the genus Scoloplax and its type species, S. dicra..

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

; 淡水 底中水層性; 深度上下限 0 - 2 m (Ref. 92919).   

分布 國家 | FAO區域 | 生態系 | 發現紀錄 | Point map | 簡介 | Faunafri

South America: Brazil.

大小 / 重量 / 年齡

Maturity: Lm ?  range ? - ? cm
Max length : 1.5 cm SL 雄魚/尚未辨別雌雄; (Ref. 92919)

生物學特性     字彙 (例如 epibenthic)

Facultative air-breathing in the genus (Ref. 126274); Found in Rio Unini basin, in mid-sized streams within dense forest vegetation and these streams are blackwater throughout most of the year. During the dry season, some streams carry a small amount of sediment and present higher pH and conductivity values. Substrate consists of sand and silt and collections done using handnets sweeping stream bottom in depths that ranged from 0.4 to 1.5 meters. Stream temperature varied from 24.8 °C to 26.7 °C, pH from 5.2 to 6.5, conductivity from 8.8 to 18.6 µS/cm, and dissolved oxygen from 1.07 to 6.68 mg/l. Also collected together with this species are at least 40 species, including other undescribed species, from different taxonomic groups (Ref. 92919).

Life cycle and mating behavior 成熟度 | 繁殖 | 產卵場 | 卵 | 孕卵數 | 仔魚


主要參考資料 Upload your references | 參考文獻 | 合作者 : Schaefer, Scott | 合作者

Rocha, M., H. Lazzarotto and L.H. Rapp Py-Daniel, 2012. A new species of Scoloplax with a remarkable new tooth morphology within Loricarioidea (Siluriformes: Scoloplacidae). Copeia 2012(4):670-677. (Ref. 92919)

IUCN 瀕危狀態 (Ref. 130435)

  無危 (LC) ; Date assessed: 07 November 2018

CITES (Ref. 128078)

Not Evaluated

CMS (Ref. 116361)

Not Evaluated

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Estimates based on models

Phylogenetic diversity index (Ref. 82804):  PD50 = 0.5312   [Uniqueness, from 0.5 = low to 2.0 = high].
Bayesian length-weight: a=0.00389 (0.00180 - 0.00842), b=3.12 (2.94 - 3.30), in cm Total Length, based on all LWR estimates for this body shape (Ref. 93245).
營養階層 (Ref. 69278):  3.0   ±0.4 se; based on size and trophs of closest relatives
Fishing Vulnerability (Ref. 59153):  Low vulnerability (10 of 100).