The moment a female seahorse transfers her eggs into the male’s brood pouch, captured here by K Hunt at Aqualush LTD. Shortly afterward, the male shakes himself to ensure that the fertilized eggs slide into a favorable position in his pouch. His partner usually swims away to go hunting and feeding. However, for the expectant father, the difficult time of pregnancy now begins. Scientists have long been trying to determine why it’s the males that become pregnant in the realm of seahorses. Only rec