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Xiphophorus pygmaeus Hubbs & Gordon, 1943

Pygmy swordtail
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Xiphophorus pygmaeus
Male picture by Artigas Azas, J.M.

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

> Cyprinodontiformes (Rivulines, killifishes and live bearers) > Poeciliidae (Poeciliids) > Poeciliinae
Etymology: Xiphophorus: Greek, xiphos = sword + Greek, pherein = to carry (Ref. 45335).
More on authors: Hubbs & Gordon.

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

; 新鮮な水 底生の漂泳性; pH range: 7.2 - 7.8; dH range: 5 - 18; 移住性ではない. Tropical; 24°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

Central America: Pánuco River system, northeastern Mexico.

サイズ / 重さ / 年齢

Maturity: Lm ?  range ? - ? cm
Max length : 4.0 cm TL オス/雌雄の選別がない; (Ref. 50894)

生物学     用語集 (例 epibenthic)

Life cycle and mating behavior Maturities | 繁殖 | Spawnings | Egg(s) | Fecundities | 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

Rodriguez, C.M., 1997. Phylogenetic analysis of the tribe Poeciliini (Cyprinodontiformes: Poeciliidae). Copeia 1997(4):663-679. (Ref. 26855)

IUCNのレッドリストの状況は (Ref. 130435)

  欠足データ (DD) ; Date assessed: 29 March 2018

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 |

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Trophic ecology
食品種目概要について
Diet compositions
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捕食動物
Ecology
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Length-weight rel.
Length-length rel.
体長組成
Mass conversions
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繁殖
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Fecundities
Spawnings
Spawning aggregations
Egg(s)
Egg developments
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Distribution
国々
国連食糧農業機関の区域
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Diseases / Parasites
Toxicities (LC50s)
Genetics
遺伝子の
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Estimates based on models

Phylogenetic diversity index (Ref. 82804):  PD50 = 0.5000   [Uniqueness, from 0.5 = low to 2.0 = high].
Bayesian length-weight: a=0.00813 (0.00354 - 0.01865), b=3.16 (2.97 - 3.35), in cm total length, based on LWR estimates for this (Sub)family-body shape (Ref. 93245).
栄養段階 (Ref. 69278):  3.1   ±0.4 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).
価格帯 (Ref. 80766):   Unknown.