The Frog Counter in Happy Aquarium has received an upgrade! :)

Now you will be able to collect several sets of frogs, including Bullfrogs and Striped Frogs! To check out your options, click on the frog counter icon in the game.

This will bring up your Frog Adoption information window. Here you can see which collection you are going for, in the image on the left. In this example, I am collecting the Bullfrogs!

Beside this, it will show your "Days in a Row", which tells you how many days you have logged in consecutively. To keep your counter going, you need to log in every day to play the game. If you miss a day, your counter will reset!

Below the Days counter, you see a row of stars, which shows you how many frogs you have collected, out of 4.

On the left you see a Star icon which is a button to start a different collection. If you decide you would prefer to get spotted frogs, or striped frogs for instance, you can choose to restart your counter and go for a different set of frogs. Your days will be reset and your collection will be changed.

By clicking on the question mark icon, you can see the frog collection help information.

Once you reach the mile stone days, each time, you will be able to adopt a frog from the collection you have chosen! For example, once you reach 14 days, you get your first frog! Just click on the ADOPT  NOW button to receive your frog.

The tadpole is then placed in your tank.

FAQ

What happens if I miss a day?
If you miss a day in your collection, upon logging in next you will receive a popup in the game letting you know that a day was missed. At that point you are given the option to restart your counter (as would have happened previously, if you missed a day) - or you can choose to keep it going by paying for the Premium option.

How many frogs are in a collection?

Each collection has 4 frogs, that are 4 different appearances/colors.

What happens when I finish my collection?

You can then switch to another collection for free! :) You will receive an option to pick your new collection

Can I mate my frogs?

Yes! In fact, frogs use a unique color blending technique for mating, which means you create special offspring!

Where can I get more frogs?

Some frogs are also sold in the store, click on the "Animals" tab and then on "Frogs" to see the selection

Which frogs mate with each other?

All normal frogs can mate with other normal frogs, as long as you have a compatible pair (one male and one female). 
Bullfrogs are a different species and only mate with other bullfrogs.

It doesn't matter what color your frog is, it can mate with any other frog :) For instance if you get a free striped frog from a collection, and you buy a spotted frog in the store, as long as you have a male and a female, they can mate and create unique special babies!