here <p>here are the 4 spawns that I've checked personally, all can spawn crustaceans if you kill around 100 Calamaries, the best one is the first one near the stairs at the right of the map
https://imgur.com/a/p67zyzQ
Good luck!map</p><p><img alt="" src="https://i.imgur.com/eiPHPOQ.png" style="height:415px; width:494px"><br><br>Good luck!</p>