On its own, a baby seahorse has a lot to contend with. On average, if the population is stable, only two of the thousands of young that a pair produces will reach maturity. Life doesn't become ...

and three different-sized babies. "We've mimicked the whole life cycle of the seahorse, in terms of the sizes we see — from birth right through to full-grown adults," Mr Chippindall said.

Video by @onebreathdiver The female on the left is transferring her eggs into the males pouch. Watch closely you'll see the males belly start to swell up as he receives her eggs. He will eventually ...