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Physopyxis cristata Sousa & Rapp Py-Daniel, 2005

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No image available for this species;
drawing shows typical species in Doradidae.

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

Teleostei > Siluriformes (Catfishes) > Doradidae (Thorny catfishes) > Astrodoradinae
Etymology: Physopyxis: Greek, physa = bellows + Greek, pyxis,-idos = box (Ref. 45335); cristata: From the Latin cristatus, meaning crested, in allusion to the externally visible series of emergent neural spines.

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

; 淡水 居於水底的.

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

South America: Rio Negro basin of the Amazon drainage in Brazil.

大小 / 重量 / 年齡

Maturity: Lm ?  range ? - ? cm
Max length : 2.3 cm SL 雄魚/尚未辨別雌雄; (Ref. 56903)

生物學特性     字彙 (例如 epibenthic)

Found in waters with accumulated leaf litter (Ref. 56903).

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 : Ferraris, Jr., Carl J. | 合作者

Sousa, L.M. and L.H. Rapp Py-Daniel, 2005. Description of two new species of Physopyxis and redescription of P. lyra (Siluriformes: Doradidae). Neotrop. Ichthyol. 3(4):625-636. (Ref. 56903)

IUCN 瀕危狀態 (Ref. 130435: Version 2024-1)

  無危 (LC) ; Date assessed: 07 November 2018

CITES

Not Evaluated

CMS (Ref. 116361)

Not Evaluated

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Estimates based on models

Phylogenetic diversity index (Ref. 82804):  PD50 = 0.6250   [Uniqueness, from 0.5 = low to 2.0 = high].
Bayesian length-weight: a=0.02291 (0.00912 - 0.05752), b=2.83 (2.61 - 3.05), in cm total length, based on LWR estimates for this (Sub)family-body shape (Ref. 93245).
營養階層 (Ref. 69278):  2.9   ±0.2 se; based on size and trophs of closest relatives
回復力 (Ref. 120179):  高度, 族群倍增時間少於 15個月 (Preliminary K or Fecundity.).
Fishing Vulnerability (Ref. 59153):  Low vulnerability (10 of 100).