no they have these tubes were air comes in and comes out there butt. So therefore they do not have a butt hole. Thank you for your question there will be more were that came from.
Insects breath through holes on their body called spiracles.
Since only Arthropoda have spiracles that would mean that the only sea creatures that breath through them would be CRUSTACEANS
Insects breath through them.
ants breath through their spiracles which are found on the abdomen of the ant
grasshoppers breath through spiracles
Insects, generally, breath through spiracles, usually on their abdomen.
A centipede breath through the tracheas......
Water. Stick. Insect
Since only Arthropoda have spiracles that would mean that the only sea creatures that breath through them would be CRUSTACEANS
Grasshoppers have spiracles that help them breath whereas crayfish breath through gills.
A cockroach breathes from spiracles.
A grasshopper breathes through tiny holes which are known as spiracles. These holes are located on the abdomen and the thorax.