American bullfrog-國立臺灣博物館典藏查詢資訊系統-Collection-TMAS0395

American bullfrog Collection Image, Figure 1, Total 6 Figures

American bullfrog Collection Image, Figure 2, Total 6 Figures

American bullfrog Collection Image, Figure 3, Total 6 Figures

American bullfrog Collection Image, Figure 4, Total 6 Figures

American bullfrog Collection Image, Figure 5, Total 6 Figures

American bullfrog Collection Image, Figure 6, Total 6 Figures

American bullfrog

species_info
- english title: American bullfrog
- scientific_name:Lithobates catesbeianus
- DIVISION:Chordata
- subphylum:Vertebrata
- class:Amphibia
- subclass:Lissamphibia
- orders:Anura
- suborder:Neobatrachia
- superfamily:Ranoidea
- family:Ranidae
- subfamily:Raninae
- genus:Lithobates
- species:catesbeianus
- species_author:(Shaw)
- species_pub_year:1802
collection_content
- collection_locality
  - country_id:TW
  - country_en:Taiwan
  - subdivision_1_en:Taitung County
  - subdivision_2_en:Beinan Town
  - latitude_value:22 49 14
  - latitude_direction:N
  - longitude_value:121 11 24
  - longitude_direction:E
- collection_info
  - collection_date:2000.07.21
  - Collection Date:2000/07/21
  - quantity:1
- collection_feature
  - Specimen Body length:0.49*1.99 mm
  - Tail length:2.23 mm
  - SEX:J
- collection_record
  - catalog no:TMAS0395
  - CAT_NO:AM.0312
gdesc_info
- GDESC:標本體長約x公分。牛蛙蝌蚪巨大，體長可達15公分。蝌蚪期很長，至少一年，也會經歷度冬，可長達三年。牛蛙原產北美，因食用價值，被引入到許多地區，包括臺灣，被列為世界百大外來入侵種。由於成體體型大，會捕食其他種蛙類，以及其他小型脊椎或無脊椎動物，蝌蚪也會掠食其他種類的蝌蚪。以靜水池為主要繁殖地，卵成片漂浮在水面。酒精浸泡標本為變態中的蝌蚪，前肢已經伸出，體褐色，體背粗糙，有許多顆粒狀突起；腹面白色，後腳掌全蹼。在臺灣的野外個體來源，主要是人為任意放生，或自養殖場逃逸的個體。(巫奇勳撰)