Amphibious Nickname for a Male Scuba Diver

This page is the CodyCross answer for the clue below from Treasure Island, Group 1032, Puzzle 5 (Sayyida Al Hurra).

Question is: Amphibious Nickname for a Male Scuba Diver

and the answer is: FROGMAN

Word Meaning:

FROGMAN — A Open Water Certified Diver, especially one in a diving suit (as opposed to one not in scuba gear).

Definitions from Wiktionary.