Paraoviposition of a male Sympetrum eroticum eroticum

Spawning behaviour of a butterflyfish

Male-male fighting in a butterfly

Egg deposition in the dragonfly Sympetrum frequens

Intrusion of cuckold male bluegill into spawning nest

Egg-laying of a male-colored female common skimmer

Spawning in a carp

Capturing paired female by egg-guarding male

Oviposition behavior of Inocellia japonica

Spawning behavior of Opsariichthys uncirostris

Reproductive behaviour of Callionymus ornatipinnis: 2. spawning

Egg deposition behaviour of Bombylius major

Spawning behavior of the messmate pipefish Corythoichthys haematopterus

Egg-laying behavior of the cuttlefish Sepia esculenta (Cephalopoda: Sepiidae)

Courtship behavior of a male Bengalese finch

Egg-laying behavior of the loliginid squid Uroteuthis (Photololigo) edulis (Cephalopoda: Loliginidae)

Undirected song behavior of a male Bengalese finch

Indiscriminate consumption of unrelated eggs by a gravid female and a satellite male in natural nests

Spawning behavior of bullethead parrotfish (Scarus sordidus)

Spawning behavior of bower’s Bower’s parrotfish (Scarus bowersi)

Spawning behavior of Rivulated parrotfishsurf parrotfish (Scarus rivulatus)

Spawning of Gnathopogon caerulescens on a gravel shore of Lake Biwa

Spawning of Gnathopogon caerulescens on a sandy shore of Lake Biwa

Spawning of Gnathopogon caerulescens on a gravel shore of Lake Biwa

Spawning of Gnathopogon caerulescens on a sandy shore of Lake Biwa