[spaghetti]

Dont' worry, Dutch: it's not you the problem, it's THEM. Dentex is the most difficult mediterranean fish, very hard to get close, cunning and suspicious. My advice is to follow Johnny's advice. Especially about making sounds (with the shells, ok, but also with you tongue and throat ("clop-clop" and "goo-goo").
Finally, the goledn rule. the cryptic, aenigmatic, mysterious advice of the oldest spearos: behave as if you too were a fish