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