ปลาหมึก - squid or cuttlefish or octopus
Explaining
ปลา <Plāh̄> means fish in the meaning of "lives in the water". In the thai language is a dolphine and a whale also a fish, becourse the name starts with ปลา.
ปลาโลมา - dolphin
ปลาวาฬ - whale
So Thai is always interesting