LEFTA juvenilehairyfrogfishat10m
inIndonesia,usingitsarm-likefinsto
‘walk’alonga bedofvolcanicblacksand
insearchofa suitableambushlocation.
Onceinplace,thepredatorwaits
patientlyinthedarkness,thelureon
the top of its head drawing in prey.BELOWScientistsmonitorthe
spawningbehaviouroftheCritically
Endangeredelkhorncoral– here
at3minTheBahamas.Spawning
occursoncea year,aroundthetime
ofa fullmoon,totakeadvantage
ofthestrongercurrents.Eggsand
spermarereleasedintothewater
simultaneously,butmanyareeaten
bypredatorsbefore fertilisation
can take place.PHOTO STORY OCEANS AT NIGHT
68 BBC Wildlife September 2020