Waving behaviour of a fiddler crab, Uca lactea lactea

Circular waving of Uca lactea

Surface mating of a fiddler crab, Uca lactea

Lateral-flick waving of Uca lactea

Lateral-circular waving of Uca lactea

Rapid-vertical waving of Uca lactea

male-male fight in Uca lactea lactea

A sesarmid crab preys a fiddler crab

Waving behavior of fiddler crab Ilyoplax pusilla

A fiddler crab caught in a live trap

A change of courtship waving display and pair formation in a fiddler crab

A male fiddler crab captured a female and took her into his burrow

Spawning behaviour of a butterflyfish

Aggressive dash of a fiddler crab Ilyoplax pusilla

Unhappy interaction between male and female fiddler crab: vol.2

Unhappy interaction between male and female fiddler crab: vol.1

Mating behaviour of a jumping bristetail (?)

The arm-waving behavior of Japanese Grass Lizard

A crab coming out of a hole

Waving behavior of ocypodid crab Macrophthalmus japonicus

Predatory behaviour of Eriophora sagana

Predation behaviour of Argiope minuta

Nesting behaviour of digger wasp

Swimming behaviour of solemyid bivalve

Male cricket's behaviour like a female