Below are the Pokémon that are in the Water 3 Egg Group. Click them to go to their Pokédex page

No.	Pic	Name	Type	Abilities	Base Stats						Other Egg Groups
					HP	Att	Def	S.Att	S.Def	Spd
#0072		Tentacool		Clear Body Liquid Ooze Rain Dish	40	40	35	50	100	70	No Other Egg Groups
#0073		Tentacruel		Clear Body Liquid Ooze Rain Dish	80	70	65	80	120	100	No Other Egg Groups
#0090		Shellder		Shell Armor Skill Link Overcoat	30	65	100	45	25	40	No Other Egg Groups
#0091		Cloyster		Shell Armor Skill Link Overcoat	50	95	180	85	45	70	No Other Egg Groups
#0341		Corphish		Hyper Cutter Shell Armor Adaptability	43	80	65	50	35	35	Water 1
#0342		Crawdaunt		Hyper Cutter Shell Armor Adaptability	63	120	85	90	55	55	Water 1
#0692		Clauncher		Mega Launcher	50	53	62	58	63	44	Water 1
#0693		Clawitzer		Mega Launcher	71	73	88	120	89	59	Water 1
#0739		Crabrawler		Hyper Cutter Iron Fist Anger Point	47	82	57	42	47	63	No Other Egg Groups
#0740		Crabominable		Hyper Cutter Iron Fist Anger Point	97	132	77	62	67	43	No Other Egg Groups
#0950		Klawf		Anger Shell Shell Armor Regenerator	70	100	115	35	55	75	No Other Egg Groups
#0960		Wiglett		Gooey Rattled Sand Veil	10	55	25	35	25	95	No Other Egg Groups
#0961		Wugtrio		Gooey Rattled Sand Veil	35	100	50	50	70	120	No Other Egg Groups