Molisks young are the way to go.
their agression is low. Meaning you can sweat them individually until they come for you. If you are lucky you have 2 successfull sweat pulls resulting in 6 to 40 sweat. then you kill it with your a105 amped opalo. They will give you either no loot or normal loot (20 to 95 pecs + 4 molisk teeth) or miniloots (2-16 peds) with 2k evade they hit you twice.
to kill a molisk young costs 55 pecs on average with an opalo/a105
one hit to rascal or nemesis costs 0,86 pec, molisks hit you twice normally so thats 1.74 pecs. total cost is 56,74. lets say 57 pecs per molisk young
if you count sweat for 1.0 and molisk teeth going for 600% (24 pecs per molisk) then you get the following analysis:
1 6 sweat/no loot 6 (sweat gathered)-57 = -51 profit
2 40 sweat/no loot 40 -57= -14 profit
3 6 sweat/20 pecs loot+24(teeth) -57= - 7 profit
4 13 sweat/20 pecs loot+24(teeth) -57= 0 profit
all other possibilities give profit...
meaning.. because of the molisk teeth (going for 600%+ and their low agression (so you can sweat them for a nice amount of time without getting hit) molisk give profit very fast.
then there's the global. you can get an esi, shogun harness, thighs, shins, and the a&p king as normal global loot. Most of that is tt-food. the shogun parts can sell at tt+4 sometimes, but not always.
But the best part is ofcourse the angel arms, that sometimes drop. I have hoffed over 1k twice on molisk, so im sticking to them when i run out of money.
compare to argonauts:
high aggression, they will come in packs if they have the chance, resulting in high armour decay. Argonauts cannot be sweated, so you loose that income. the iron doesnt come in every loot, where molisks almost always give 4 teeth. The global comparison is the same. Most argo loot is also tt-food.
I got nemesis shins once. I think the masks to hang in your appartment also do some extra tt+
Hunting/sweating molisks can be very boring on the other hand.