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Distribution

provided by ReptileDB
Continent: Middle-America North-America
Distribution: USA (SE Arizona, New Mexico, W Texas), Mexico (Chihuahua, Coahuila, W Nuevo Leon, NE Durango, NE Zacatecas, NW San Luis Potosi, Sonora, Aguascalientes; one isolated record in W Tamaulipas)
Type locality: The Rio Grande west of San Antonio, Texas [CHURCHILL], from between San Antonio and El Paso [GRAHAM]. Restricted to Las Cruces, New Mexico by SMITH & TAYLOR 1950.
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Roundtail horned lizard

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The roundtail horned lizard (Phrynosoma modestum) is one of the smaller species of horned lizard. Their specific epithet is from the Latin word modestum, meaning modest or calm. They are found in the United States, in western Texas, New Mexico eastern Arizona, southeastern Colorado and eight states in northcentral Mexico[2] where they are referred to as "tapayaxtin".

Habitat

Roundtail Horned Lizard (Phrynosoma modestum), Municipality of Tula, Tamaulipas, Mexico (15 August 2004)

Roundtail horned lizards prefer rocky and sandy, semiarid habitat with sparse vegetation, near harvester ant or especially honeypot ant colonies, which is their primary diet.

Description

The color of roundtail horned lizards usually reflects the color of the soil in their native habitat. Most are uniformly grey in color, but they can also be light brown, or even a pale yellow. Often, darker-colored regions occur around the neck and groin, and sometimes striping on the tail.

They are short, flat, round-bodied lizards with short limbs, and small heads, which have a distinctive crest of nearly equal-length horns. Unlike other horned lizards, they lack a fringe of lateral scales and do not seek to flatten themselves to the ground to eliminate shadow; instead, they hunch their bodies into the shape of a rock for camouflage, boldly casting a shadow.[3]

Their maximum size is 7 cm (2.7 in) snout-to-vent length, and 10.5 cm (4.3 in) total length.[4]

Phrynosoma_modestum

Reproduction

Roundtail horned lizards are oviparous, breeding and laying eggs in early summer.

References

  1. ^ Hammerson, G.A., Vazquez Díaz, J., Gadsden. H., Quintero Díaz, G.E., Ponce-Campos, P. & Lavin, P. (2007). Phrynosoma modestum. The IUCN Red List of Threatened Species doi:10.2305/IUCN.UK.2007.RLTS.T64078A12734244.en
  2. ^ The Reptile Database. www.reptile-database.org.
  3. ^ Sherbrooke, W. C. (2003). Introduction to horned lizards of North America. University of California Press. p. 118.
  4. ^ Smith, H.M. and E.D. Brodie, Jr. (1982). Reptiles of North America, A Guide to Field Identification. Golden Press. New York. pp. 126–127.
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Roundtail horned lizard: Brief Summary

provided by wikipedia EN

The roundtail horned lizard (Phrynosoma modestum) is one of the smaller species of horned lizard. Their specific epithet is from the Latin word modestum, meaning modest or calm. They are found in the United States, in western Texas, New Mexico eastern Arizona, southeastern Colorado and eight states in northcentral Mexico where they are referred to as "tapayaxtin".

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Phrynosoma modestum ( Basque )

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Phrynosoma modestum Phrynosoma generoko animalia da. Narrastien barruko Phrynosomatidae familian sailkatuta dago.

Erreferentziak

  1. (Ingelesez)IUCN 2012. IUCN Red List of Threatened Species. Version 2012.2. www.iucnredlist.org. 2012ko urriaren 20an eskuratua.
  2. The Species 2000 and ITIS Catalogue of Life

Ikus, gainera

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Phrynosoma modestum: Brief Summary ( Basque )

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Phrynosoma modestum Phrynosoma generoko animalia da. Narrastien barruko Phrynosomatidae familian sailkatuta dago.

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Phrynosoma modestum ( French )

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Phrynosoma modestum est une espèce de sauriens de la famille des Phrynosomatidae[1].

Répartition

Cette espèce se rencontre[1] :

Publication originale

  • Baird & Girard, 1852 : Characteristics of some new reptiles in the museum of the Smithsonian Institution. Proceedings of the Academy of Natural Sciences of Philadelphia, vol. 6, p. 68-70 (texte intégral).

Notes et références

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Phrynosoma modestum: Brief Summary ( French )

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Phrynosoma modestum est une espèce de sauriens de la famille des Phrynosomatidae.

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Phrynosoma modestum ( Vietnamese )

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Phrynosoma modestum là một loài thằn lằn trong họ Phrynosomatidae. Loài này được Girard mô tả khoa học đầu tiên năm 1852.[1]

Hình ảnh

Tham khảo

  1. ^ Phrynosoma modestum. The Reptile Database. Truy cập ngày 31 tháng 5 năm 2013.


Hình tượng sơ khai Bài viết liên quan đến bộ bò sát có vảy này vẫn còn sơ khai. Bạn có thể giúp Wikipedia bằng cách mở rộng nội dung để bài được hoàn chỉnh hơn.
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Phrynosoma modestum: Brief Summary ( Vietnamese )

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Phrynosoma modestum là một loài thằn lằn trong họ Phrynosomatidae. Loài này được Girard mô tả khoa học đầu tiên năm 1852.

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マルオツノトカゲ ( Japanese )

provided by wikipedia 日本語
マルオツノトカゲ 分類 : 動物界 Animalia : 脊索動物門 Chordata 亜門 : 脊椎動物亜門 Vertebrata : 爬虫綱 Reptilia : 有鱗目 Squamata 亜目 : トカゲ亜目 Sauria 下目 : イグアナ下目 Iguania : イグアナ科 Iguanidae 亜科 : ツノトカゲ亜科 Phrynosomatinae : ツノトカゲ属 Phrynosoma : マルオツノトカゲ P. modestum 学名 Phrynosoma modestum
Girard, 1852 和名 マルオツノトカゲ 英名 Roundtail horned lizard

マルオツノトカゲ(丸尾角蜥蜴、学名Phrynosoma modestum)は、イグアナ科(ツノトカゲ科とする説もあり)ツノトカゲ属に分類されるトカゲ

分布[編集]

アメリカ合衆国アリゾナ州南東部、テキサス州西部、ニューメキシコ州南部)、メキシコ

形態[編集]

全長7-13cm。体側面に襞状の鱗は無く滑らか。尾の基部は幅広いが、途中から急に細くなり断面は丸くなる。

後頭部には短い角状の鱗がある。

生態[編集]

基底砂礫の荒地等に生息する。昼行性。危険を感じると体を平たくして相手をやり過ごす。

食性は動物食で、主にアリを食べる。

繁殖形態は卵生。5月に交尾し、6-7月に1回に約9個の卵を産む。卵は7-8月に孵化する。

人間との関係[編集]

ペット用として流通されることがあり、日本にも輸入されている。流通量は属内ではサバクツノトカゲに次いで多いが、大量には流通しない。飼育は難しい。テラリウムで飼育される。小型種ではあるが、底面積を重視した個体に対して大型のケージを用意する。床材として細かい砂を潜れるように厚めに敷く。強い光を好むため紫外線照射量の多いフルスペクトルライトやメタルハライドランプ等を点灯する。また小型の電球をケージ内の一部に照射し、高温になる場所を作る。水容器は設置してもそこから水を飲むことは少なく、湿度が上昇するため基本的には設置しない。給水は朝や照明を点灯した際にケージの壁面に霧吹きをしたり、口先へスポイトを使って直接与える。餌はアリに限定されないが小型のコオロギ等を大量に与える。餌にはカルシウム剤等のサプリメントを振りかけて栄養価を上げる。

関連項目[編集]

 src= ウィキスピーシーズにマルオツノトカゲに関する情報があります。

参考文献[編集]

  • 千石正一監修 長坂拓也編 『爬虫類・両生類800種図鑑』、ピーシーズ、2002年、34頁。
  • 海老沼剛 『爬虫・両生類ビジュアルガイド トカゲ1 アガマ科&イグアナ科』、誠文堂新光社、2004年、89頁。
執筆の途中です この項目は、動物に関連した書きかけの項目です。この項目を加筆・訂正などしてくださる協力者を求めていますPortal:生き物と自然プロジェクト:生物)。
 title=
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マルオツノトカゲ: Brief Summary ( Japanese )

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マルオツノトカゲ(丸尾角蜥蜴、学名:Phrynosoma modestum)は、イグアナ科(ツノトカゲ科とする説もあり)ツノトカゲ属に分類されるトカゲ

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