These Fish Are All About Sex on the Beach | Deep Look

by birtanpublished on September 14, 2020

this baby fish is stuck it's ready to hatch to swim out into the open sea so how did it get here stranded up on the st. it all started two weeks ago when its parents left their watery home for an

Adults-only beach party during the very highest tides california grunion riding on the waves to get as high up on the beach as possible the female starts digging with their tails burrowing down to lay thousands of eggs under the wet

Sand the male's cruise the beach searching for females not super easy when you're literally a fish out of water when they meet up the male's wrap themselves around the females and fertilize the eggs it's a

Real seat then when they're done they catch a wave back home this whole awkward affair is risky for the parents and for the eggs up on the beach they're all on their own completely out of their element

But grunion eggs are tough the outer membrane called a Corian protects them from drying out and keeps them from getting crushed and that's good because they're gonna be up on the beach for a while but that's the whole idea the

Ocean is full of predators looking to gobble up a tasty fish egg growing up in this sandy nursery gives baby grunion an advantage though nowhere is truly safe but fish still need water so these eggs can't hatch any old time if they did

They'd suffocate in the dry sand so they'd have to time it perfectly waiting for the gravitational pull of the Sun and the moon to line up creating an extra high tide which only happens twice a month the baby grunion wait for the

Signal the waves the cold seawater jostles them telling them it's time to hatch but the grunion still have to break out of their tough eggs before the tide recedes so they released special enzymes

From their tails that eat right through the Quarian they come bursting out and swim for their lives as the waves sweep them out into the briny deep where they belong hey it's Lauren

Looking for something to watch next check out gross science also part of the PBS Digital Studios lineup where Anna shows you the more adorable side of hideous parasites and unspeakable bodily functions you'll also love NPR's awesome

Science Channel skunk fair this week you can follow them into a cuddly colony of vampire bats see you next time

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