Easily Annoyed, Impatient Like a Sea Creature

This page is the CodyCross answer for the clue below from The Netherlands, Group 2120, Puzzle 2 (Ijburg Islands).

Question is: Easily Annoyed, Impatient Like a Sea Creature

and the answer is: CRABBY

Word Meaning:

CRABBY — Relating to or resembling crabs; crablike.

Definitions from Wiktionary.