ウエマツソウ♀

ミヤコタナゴ♀

Tochigi Prefectural Museum

Tochigi Digital Museum "SHUGYOKU"(Culture Resources)

Female-female spawning in the cleaner wrasse Labroides dimidiatus

Osaka Museum of Natural History

Movie Archives of Animal Behavior

ヒメオオクワガタ（♀） : ヒメオオクワガタ

ADEAC: A System of Digitalization and Exhibition for Archive Collections

チャスジハエトリ（♀）の体のそうじ

Osaka Museum of Natural History

Movie Archives of Animal Behavior

Capturing paired female by egg-guarding male

Osaka Museum of Natural History

Movie Archives of Animal Behavior