Yes they can make themselves bigger. They also have spines on their skins. If they are swallowed they can make themselves difficult to swallow and some are able to produce poison. This means that many predators would learn to avoid them.
no, silly, or puffer fishes wouldn't exist!!
The sea
Yes
50 years
because its a fish.
maybe i inch or two
some small fishes is Maebe true
one thousand
yes
No.
Kingdom animalia Species Tragulichthys jaculiferus
all kinds of fish smaller the it <3