Cyprinodon nevadensis, Amargosa pupfish : aquarium

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Cyprinodon nevadensis Eigenmann & Eigenmann, 1889

Amargosa pupfish
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Actinopteri > Cyprinodontiformes (Rivulines, killifishes and live bearers) 鱂形目 (Rivulines, killifishes and live bearers) > Cyprinodontidae (Pupfishes) 鯉齒鱂科 (Pupfishes) > Cyprinodontinae
Etymology: Cyprinodon: Latin, cyprinus = carp + Greek, odous = teeth (Ref. 45335).  More on authors: Eigenmann & Eigenmann.

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

; 淡水 底中水層性; pH range: 7.5 - 8.0; dH range: 13 - 19; 深度上下限 - m (Ref. ), usually - m (Ref. ).   亞熱帶的; 18°C - 32°C (Ref. 1672); 37°N - 36°N

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North America: Amargosa River basin in Nevada and California, USA.

Six subspecies were recognized:
Cyprinodon nevadensis nevadensis, restricted to Saratoga Springs and adjoining lakes, Death Valley National Monument in California;
Cyprinodon nevadensis amargosae, restricted to Amargosa River in California;
Cyprinodon nevadensis calidae, now extinct, in outlets of North and South Tecopa Hot Springs in California;
Cyprinodon nevadensis shoshone , in outlet of Shoshone Springs in California; ,br> Cyprinodon nevadensis mionectes, in large springs in lower Ash Meadows in Nevada;
Cyprinodon nevadensis pectoralis, in small springs in hills around Devils Hole, upper Ash Meadows in Nevada.
北美洲: 在內華達州與美國加州已知只來自 Amargosa 河流域了。

大小 / 重量 / 年齡

Maturity: Lm ?  range ? - ? cm
Max length : 7.8 cm TL 雄魚/尚未辨別雌雄; (Ref. 86798); common length : 4.5 cm TL 雄魚/尚未辨別雌雄; (Ref. 12193)

生物學特性     字彙 (例如 epibenthic)

Occurs in springs, their effluents, and spring-fed ponds and lakes (Ref. 5723, 86798). Not a seasonal killifish. Is difficult to maintain in aquarium (Ref. 27139).

出現於泉水,其溢流與泉水注入之池塘與湖。 7.8 公分最大 TL.(參考文獻 5723) 不是一個季節性的鱂科魚類。 在水族館是難以維持。 (參考文獻 27139)

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

Its reproductive strategies differ from many spring-dwelling pupfishes. Cyprinodon n. amargosae is a group spawner. Males do not establish and defend territories as do males of spring-dwelling subspecies. Instead, a reproductive male usually directs a receptive female to the periphery of the group where spawning occurs, although spawning may even take place in the center of the group (www.death-valley.us).北美洲: 在內華達州與美國加州已知只來自 Amargosa 河流域了。

主要參考資料 Upload your references | 參考文獻 | 合作者 : Costa, Wilson J.E.M. | 合作者

Page, L.M. and B.M. Burr, 2011. A field guide to freshwater fishes of North America north of Mexico. Boston : Houghton Mifflin Harcourt, 663p. (Ref. 86798)

IUCN 瀕危狀態 (Ref. 124695)

  次級保育類動物, 見 IUCN 紅皮書 (VU) (B1ab(iii)+2ab(iii)); Date assessed: 22 November 2011

CITES

Not Evaluated

CMS (Ref. 116361)

Not Evaluated

對人類具威脅

  無害處的





人類使用

水族館: 商業性
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Estimates based on models

Phylogenetic diversity index (Ref. 82805):  PD50 = 0.5000   [Uniqueness, from 0.5 = low to 2.0 = high].
Bayesian length-weight: a=0.01349 (0.00591 - 0.03081), b=3.14 (2.95 - 3.33), in cm total length, based on LWR estimates for this (Sub)family-body shape (Ref. 93245).
營養階層 (Ref. 69278):  2.1   ±0.0 se; based on diet studies.
回復力
瀕危性 (Ref. 59153):  Low vulnerability (10 of 100) .