Ikthyosaur the Fishy Dofus: Jeez Crater, loot and spells

Where to find Ikthyosaur the Fishy

Rank	Level	HP	AP	MP	XP
1	20	260	9	4	14 560
2	25	370	9	4	19 500
3	30	500	9	4	24 960
4	35	650	9	4	30 940
5	40	800	9	4	37 440

Rank	Neutral	Earth	Fire	Water	Air
1	10 %	10 %	-5 %	80 %	10 %
2	10 %	10 %	-4 %	85 %	10 %
3	10 %	10 %	-3 %	90 %	10 %
4	10 %	10 %	-2 %	95 %	10 %
5	10 %	10 %	-1 %	100 %	10 %

XP: base experience of a single monster, before Wisdom, group, and challenge bonuses.

Hit it first with Fire (-5 to -1%). Avoid Water (80 to 100%).

Its attacks mostly deal Water damage: Water resistance reduces it. It only attacks in melee: at range, it has to come to you first.

Watch out for:

Base rate, increased by Prospecting.

Only during a quest

Only during an event or with a specific item

The recipes that use each item it drops, from the game files.

Juvenile Puddle (100%): 5 recipes, including Perfect Little Vulkanian Backpack (Tailor, lvl. 50), Vulkanian Ring (Jeweller, lvl. 54) and Vulkanian Boots (Shoemaker, lvl. 56).
Sauroshell Egg Yolk (8.4%): 5 recipes, including Perfect Little Vulkanian Backpack (Tailor, lvl. 50), Vulkanian Ring (Jeweller, lvl. 54) and Vulkanian Boots (Shoemaker, lvl. 56).
Sapphire Stone (1.01%): 3 recipes, Nightmare Catcher (Carver, lvl. 10), Sapphire (Miner, lvl. 30) and Pole Axe (Smith, lvl. 84).
Contaminated Meat (100%): 2 recipes, including Meat Roulade (Hunter, lvl. 30). It is used to craft the Key to the Royal Gobball's Court, which opens the dungeon.

“Here's an excellent weapon to use in a water bomb fight.” Juvenile Puddle, in-game description