The primary functions of tears is to lubricate the eye and keep it from drying out. Fish live surrounded by water, so they don't need to produce something that performs those functions.
no tears r water
Tears lubricate your eyes. Dry eyes hurt especially when you blink. They also help to clean the gunk that you get in your eyes out.
They need a tank fish food
Saltwater fish need to drink, but freshwater fish never drink.
In order to find out what happens to Alex rider after Crocodile Tears you need to read Scorpia Rising. it came out already.
Yes.
You don't actually 'need' the tears. Hitting the Gatekeeper with an arrow poisoned with the tears, will strip it of many of its resistances for two minutes. But it is still killable even without that.
For the mission you need to find the fish at creature area to get the fish you need to play bobo fish
ALL fish need filtration.
The mouth just can't hold a hook. It tears free, allowing escape.
There are quite a few reasons, but some common ones are that some fish need room to grow, some fish need room to swim around, and some fish need room to claim a proper territory.
fish need air because they won't be able to breath if they didn't have air, and fish need air badly because they spend most time in the water. fish need air as much as we do.