no.
Poisonous fish will have poison gland on them.
Hydrogen gas itself is not poisonous, as it is a naturally occurring element and is non-toxic. However, hydrogen can be dangerous if it is in high concentrations in the air because it is highly flammable and can displace oxygen, leading to a potential risk of asphyxiation.
only some fish are poisonous to humans
No! :)No freshwater aquarium fish to my knowledge is poisonous.
yes
Pufferfish is one of the most poisonous fish in the world.
Yes they are poisonous.
Yes, the Puffer Fish is a poisonous type of fish.
Two of the most common poisonous fish are found in the Red Sea, these are,The Lion Fish and The Surgeon Fish
Stonefish and Lionfish are poisonous
No. Hydrogen is not poisonous. However, it is extremely flammable.
Toadfish, and the Scorpion Fish, are both poisonous saltwater fish. Both are found in tropical waters.