since you do crits lots(48-54crit is recommended for katars from me

)
turtle dungeon is good-exp is nice compared to hp, but their high def is overcome by the crits

since you are running 99agility, you should have a lot of flee in case those pesty pests

(snakes-_-)
get you
did i mention their not aggressive except for freezers and pests. (so you wont get mobbed much unlike prison)
if you want to party....seals are nice with a sage/wiz..you can mob for em