How do goblin shark talk to other goblin sharks?

Not usually but some do it depends what mood there in,

Resources say that it was named "Goblin" for it's resemblance to a Goblin.

No. There is no such animal as a devil shark.

Sharks don't talk. They may exhibit posturing behavior to frighten off or warn animals they are afraid of but are not hunting. There may be "communication" during mating but it is probably not...

Nope. Goblin sharks and Tiger sharks shouldn't come into contact with one another because the goblin resides in deep cold waters as the tiger prefers warm tropical waters such as Hawaii coastal...