Photographs
*Handling of Salamandrella keyserlingii is regulated by the Government of Kushiro-shi, Hokkaido Prefecture, Japan.  Handling of Hynobius hidamontanus is also regulated by the Government of Hakuba-mura, Nagano Prefecture, Japan, and recently by the Government of Nagano Prefecture, Japan (by means of the Regulations of Conservation of Rare Wildlife, issued on 22 March 2005).  All studies on the two hynobiids were conducted under the permission authorized by these governments.
Hynobius hidamontanus
 Forest Floor (Habitat)
 Forest Floor (Habitat)
 New Oviposition Site
 New Oviposition Site
 Breeding Habitat & Egg Sacs
 Breeding Habitat & Egg Sacs
 Oviposition Site
 Oviposition Site
 Major Breeding Habitat
 Major Breeding Habitat
 Major Breeding Habitat 2
 Major Breeding Habitat 2
 Snow in Hakuba Area
 Snow in Hakuba Area
 Wetland (Extinct Population?)
 Wetland (Extinct Population?)
 Breeding Fountain
 Breeding Fountain
 Swamp (Wetland)
 Swamp (Wetland)
 Wetland above Swamp
 Wetland above Swamp
 Breeding Pond in Wetland
 Breeding Pond in Wetland
 Breeding Male & Egg Sacs
 Breeding Male & Egg Sacs
 Aquatic-Phase Male & Female
 Aquatic-Phase Male & Female
 Throat White Patch
 Throat White Patch
 Aquatic-Phase Female
 Aquatic-Phase Female
 Female Cloacal Opening
 Female Cloacal Opening
 Rudimentary Fifth Toes
 Rudimentary Fifth Toes
 Egg Sacs
 Egg Sacs
 Egg Sacs with Striae
 Egg Sacs with Striae
 Egg Sacs at Open Area
 Egg Sacs at Open Area
 Egg Sacs in Rapid Stream
 Egg Sacs in Rapid Stream
 Open Field for Breeding
 Open Field for Breeding
 Overwintering Larva
 Overwintering Larva
 Communal Breeding Locations
 Communal Breeding Locations
Hynobius kimurae
 Egg Sacs
 Egg Sacs
 Two Pairs of Egg Sacs
 Two Pairs of Egg Sacs
 Development of Embryos in Egg Sacs
 Development of Embryos in Egg Sacs
 Development of Embryos in Egg Sacs 2
 Development of Embryos in Egg Sacs 2
 Terrestrial Male
 Terrestrial Male
 Postbreeding Male
 Postbreeding Male
 Oviposition Site & Egg Sacs
 Oviposition Site & Egg Sacs
 Overwintering Male in Torrent
 Overwintering Male in Torrent
 Breeding Torrent
 Breeding Torrent
 Overwintering Stream
 Overwintering Stream
 Slopes for Migration & Wandering
 Slopes for Migration & Wandering
 Animal Tracks to Site
 Animal Tracks to Site
 Fall Surveys
 Fall Surveys
 Juvenile & Snail
 Juvenile & Snail
 Descending Immigrant & Slope
 Descending Immigrant & Slope
 Overwintering Locations
 Overwintering Locations
 Compact pH-meter
 Compact pH-meter
 Egg Sac Mass in Torrent
 Egg Sac Mass in Torrent
 Overwintering Larvae
 Overwintering Larvae
Hynobius lichenatus
 Roadside Sites of Oviposition
 Roadside Sites of Oviposition
 Pond-Type Sites of Oviposition
 Pond-Type Sites of Oviposition
 Major Breeding Population
 Major Breeding Population
 Egg Sacs
 Egg Sacs
 Body Sizes of Sympatric Species
 Body Sizes of Sympatric Species
 Tail Vertebrae
 Tail Vertebrae
 Trunk Vertebrae
 Trunk Vertebrae
 Shapes of Prevomerine Teeth
 Shapes of Prevomerine Teeth
 Pes Composition
 Pes Composition
 Pes Variation
 Pes Variation
 Skull Variation
 Skull Variation
 Deformities
 Deformities
 Hynobius nigrescens
Hynobius nigrescens
 Breeding Pond in March
 Breeding Pond in March
 Breeding Pond in July
 Breeding Pond in July
 Terraria
 Terraria
 Voucher Specimens
 Voucher Specimens
 Vasa Deferentia Fluctuation 1
 Vasa Deferentia Fluctuation 1
 Male Genital System
 Male Genital System
 Vasa Deferentia Fluctuation 2
 Vasa Deferentia Fluctuation 2
 Male Ventral Glands
 Male Ventral Glands
 Testicular Lobules
 Testicular Lobules
 Sexual Dimorphism in Vents
 Sexual Dimorphism in Vents
 Testis-Ova
 Testis-Ova
 Female Body Shape
 Female Body Shape
 Ovulation & Egg Sac Formation
 Ovulation & Egg Sac Formation
 Ventral Gland Secretion
 Ventral Gland Secretion
 Female Genital System
 Female Genital System
 Color Changes in Ovary
 Color Changes in Ovary
 Gonadotropes
 Gonadotropes
 Typical Aquatic-Phase Male
 Typical Aquatic-Phase Male
 Prolactin & Cutaneous Changes
 Prolactin & Cutaneous Changes
 Egg Sacs
 Egg Sacs
 Egg Sac Mass
 Egg Sac Mass
 Roadside Wetland
 Roadside Wetland
 Fall Pond Basin in Sarukura
 Fall Pond Basin in Sarukura
 Hanging Egg Sacs
 Hanging Egg Sacs
 Bloody Egg Sacs
 Bloody Egg Sacs
 Foraging Activity
 Foraging Activity
 Absence of Left Forelimb
 Absence of Left Forelimb
Onychodactylus japonicus
 Roadside Ditches
 Roadside Ditches
 Swamp (Wetland) with Two Hynobiids Mingled
 Swamp (Wetland) with Two Hynobiids Mingled
 Terrestrial Male
 Terrestrial Male
 Aquatic Larvae
 Aquatic Larvae
 Habitat
 Habitat
 Larvae of the Lungless Salamander
 Larvae of the Lungless Salamander
Salamandrella keyserlingii
 Spawning Behavior
 Spawning Behavior
 Terrestrial-Phase Male
 Terrestrial-Phase Male
 Otanoshike-Ogawa River
 Otanoshike-Ogawa River
 Otanoshike Wetland
 Otanoshike Wetland
 Spiraea salicifolia
 Spiraea salicifolia
 Fen-Landscape
 Fen-Landscape
 Road Construction
 Road Construction
 Pitfall-Trap
 Pitfall-Trap
 Tools for Toe-Clipping
 Tools for Toe-Clipping
 Logs Harboring Siberian Salamanders
 Logs Harboring Siberian Salamanders
 Terrestrial Female
 Terrestrial Female
 Nylon Mesh Trap & Aquatic Animals
 Nylon Mesh Trap & Aquatic Animals
 Body Size Measurements
 Body Size Measurements
 Burrow Use by Salamanders
 Burrow Use by Salamanders
 Rudimentary Fifth Toes
 Rudimentary Fifth Toes
 New Records
 New Records
 Siberian Salamander (Male)
 Siberian Salamander (Male)
Cynops pyrrhogaster
 Newt Defensive Posture
 Newt Defensive Posture
Bufo japonicus formosus
 Juvenile Toad
 Juvenile Toad
 Orange Toad (Throat Region)
 Orange Toad (Throat Region)
 Orange Toad (Whole Body)
 Orange Toad (Whole Body)
 Female Toad Preyed
 Female Toad Preyed
 Toad Pairing
 Toad Pairing
 Summer Toad
 Summer Toad
Pseudepidalea raddei (formerly Bufo)
 Male Toad
 Male Toad
Hyla japonica
 Nylon Mesh Trap & Metamorphosing Juvenile
 Nylon Mesh Trap & Metamorphosing Juvenile
Rana ornativentris
 Juvenile Frog
 Juvenile Frog
Rana pirica
 Bekambeushi Marsh
 Bekambeushi Marsh
 Habitats
 Habitats
 Bear's Tracks
 Bear's Tracks
Zhangixalus arboreus (formerly Rhacophorus)
 Mysterious Garden
 Mysterious Garden
 Foam-Nests
 Foam-Nests
Mongolia
 Darhadyn Wetland
 Darhadyn Wetland
 Darhadyn Wetland (Favorite Shot)
 Darhadyn Wetland (Favorite Shot)
 Russian Jeeps
 Russian Jeeps
 Rubber Boat
 Rubber Boat
 White House Hotel
 White House Hotel
 Screw-propelled Plane
 Screw-propelled Plane
 Iron Ovens
 Iron Ovens
 Camp Site
 Camp Site
 Sight-seeing Areas of Ulaanbaatar
 Sight-seeing Areas of Ulaanbaatar
 Pass Ovo (Ovoo, Oboo)
 Pass Ovo (Ovoo, Oboo)
 Mongolian Nomad
 Mongolian Nomad
 Edelweiss
 Edelweiss
 Box Zartsaa
 Box Zartsaa
 Deer Paintings
 Deer Paintings
 Frost
 Frost
 Edelweiss Hotel
 Edelweiss Hotel
 Traffic Circumstances
 Traffic Circumstances
 Natural History Museum
 Natural History Museum
 2005 Membership of Darhadyn Wetland Project
 2005 Membership of Darhadyn Wetland Project
 Frost during August
 Frost during August
 Rainbow
 Rainbow
 Twilight
 Twilight
 Aero Mongolia
 Aero Mongolia
 Ovoo Worship in 2005
 Ovoo Worship in 2005
 Golio
 Golio
 Camels
 Camels
 Lota lota
 Lota lota
 Taimen 1
 Taimen 1
 Taimen 2
 Taimen 2
 Yak
 Yak
 Outdoor Water Closet
 Outdoor Water Closet
 Ovoo of Fountains
 Ovoo of Fountains
 Renchinlhumbe
 Renchinlhumbe
 Sauna
 Sauna
 Yurt
 Yurt
 Handcrafted Baby Car
 Handcrafted Baby Car
 Rings in Pond
 Rings in Pond
 Running Horses
 Running Horses
 Ferris Wheel
 Ferris Wheel
 Stone Circle
 Stone Circle
 Poster Presentation
 Poster Presentation
 Mongolian & Russian Ladies
 Mongolian & Russian Ladies
 Japanese, Mongolian, & Russian Gentlemen
 Japanese, Mongolian, & Russian Gentlemen
 PIT-tags
 PIT-tags
 Shaamar Members & Russian Jeep
 Shaamar Members & Russian Jeep
 Pond in Shaamar
 Pond in Shaamar
 Camp Site in Shaamar
 Camp Site in Shaamar
 Examination Tools
 Examination Tools
 Examination Tools 2
 Examination Tools 2
 Hedgehog
 Hedgehog
 Campfire
 Campfire
 Log House in Shaamar
 Log House in Shaamar
 Ovoo near Shaamar
 Ovoo near Shaamar
Others
 Kottaro Marsh
 Kottaro Marsh
 Hakuba Three Peaks
 Hakuba Three Peaks
 Hakuba Three Peaks 2006
 Hakuba Three Peaks 2006
 Bear's Nail-Tracks
 Bear's Nail-Tracks
 Fall Snow in Hakuba
 Fall Snow in Hakuba
 Shin-kawa River
 Shin-kawa River
 Sakata Lagoon
 Sakata Lagoon
 Toyota CALDINA Accident
 Toyota CALDINA Accident
 Boxer Seon Okazawa
 Boxer Seon Okazawa
 Sleeping Cat in Wooden Ship
 Sleeping Cat in Wooden Ship
 Ukon-zakura Cherry Blossoms
 Ukon-zakura Cherry Blossoms
 Communally-owned cats in the Kajo-koen Park [New!]
 Communally-owned cats in the Kajo-koen Park [New!]
*Many JPEG files were made with the resolution of 72 dpi, and then were converted to Progressive-display files.
Copyright 2002-2023 Masato Hasumi, Dr. Sci. All rights reserved.
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