rats racoons mice
frogs\
The Banded Krait is one example - it lives almost entirely in the sea.
Gray banded king snakes are carnivorous and primarily eat small rodents, lizards, frogs, and sometimes other snakes. It is important to provide a varied diet to ensure they receive adequate nutrition.
Banded sand catshark was created in 1993.
they eat mice and rats like other snakes
It feeds on marine invertebrates and also on various groups of fish such as eels and gobies.
they are snakes, not fish
yes
the warter
summer
Sand Cats are prey to various animals such as venomous snakes, jackals and birds of prey. Another predator of Sand Cats are humans, but we don't necessarily eat them.
Assuming you mean the Australian 'Bandy-Bandy' species.. Yes they are venomous, but the venom is not considered toxic enough to be a danger to humans. There is an article on the species in Wikipedia (see related link)
They are not endangered. they are of least concern.