Smallhead Stickleback

Description: 日本語: ハリヨ (Gasterosteus microcephalus (Girard, 1854)) English: Naked threespines stickleback (Gasterosteus microcephalus (Girard, 1854)) from Osaka Suido Kinenkan (water supply memorial museum), Japan Українська: Gasterosteus microcephalus (Girard, 1854). Date: Unknown dateUnknown date. Source: http://opencage.info/pics/large_12930.asp. Author: OpenCage.

Description: 日本語: 水中を泳ぐハリヨのオス（婚姻色） English: Gasterosteus microcephalus (Smallhead stickleback), male was swimming in Japan. Date: 3 June 2012. Source: Own work. Author: Alpsdake. Other versions: .

Description: 日本語: ハリヨ、アクア・トトぎふにてEnglish: Smallhead stickleback (Gasterosteus microcephalus) in AQUA TOTTO GIFU. Date: 25 September 2011. Source: Own work. Author: Alpsdake. Other versions: .

Description: 日本語: 湧水池で泳ぐハリヨ（針魚、学名：Gasterosteus microcephalus Girard,1854）とアメンボ English: Gasterosteus microcephalus (Smallhead stickleback) and Water strider, swimming, Yoro, Gifu pref., Japan. Date: 7 September 2013, 11:38:36. Source: Own work. Author: Alpsdake. Other versions: .

Description: 日本語: 湧水池で泳ぐハリヨ（針魚、学名：Gasterosteus microcephalus Girard,1854） English: Gasterosteus microcephalus (Smallhead stickleback), swimming, Yoro, Gifu pref., Japan. Date: 7 September 2013, 11:38:43. Source: Own work. Author: Alpsdake. Other versions: .