This is Bubble Barrage, Level 2. You have 9 eggs to collect. The items available to your are 4 Instant Rocks and an initial 10 move supply of the Bubble Suit.
When the fish is moving away from you, walk rightward, to the ladder going down.
Go down the ladder enough to let the fish swim over your head.
Then climb up the ladder and climb up the next two ladders on your right.
Drop off the left ledge to collect egg #1.
Drop off the left ledge when the fish is over to the right.
Go down the ladder and let the fish swim over your head.
Climb up the ladders again.
Use your Bubble Suit to get over to the platform on your left. Make sure you start the bubble suit when you are halfway off the platform and remove it when you are halfway on the platform to your left.
Collect egg #2 from here.
Get halfway off the left side of this platform and use your Bubble Suit to get over to the left.
Drop down the left ledge, landing on egg #3.
Get on the little ledge on your right. Face left and drop an Instant Rock.
Get on the rock and drop an Instant Rock to your right. Get on that rock.
Drop an Instant Rock to your left. Grab egg #4 on your left.
Go to the right to collect egg #5.
Go down the ladder on your right when the fish will let you.
Go back up the ladder when the fish goes overhead, then fill up at the Bubble Source and get yourself back down that ladder.
Get halfway off the right ledge of the platform at the bottom of the ladder. Then use the Bubble Suit to move 2 spaces to the right. Drop to collect egg #6.
Use the Bubble Suit to get back up to the ladder.
Climb the ladder when possible and use the bubble source to fill back up.
Now get halfway off the left ledge and use the Bubble Suit 2 spaces to the left. Drop.
Go over to the left and use the Bubble Suit to get up the ledge.
Grab egg #7.
Drop an Instant Rock off the left ledge.
Get on the rock and use the Bubble Suit to cross the left gap.