That would depend on the species of otter you are asking about.
Eurasian otter: 7 - 12 kg, Marine otter: 3 - 5.8 kg, Hairy-nosed otter: 5 - 5.9 kg, Giant Otter: 26 - 32 kg
a female sea otter is about the size of a male.. just a little smaller.
I don't know, I have "otter" things to worry about
4 pounds
10 to 30 pounds maximum
500
That would depend on the species of otter you are asking about. Eurasian otter: 7 - 12 kg, Marine otter: 3 - 5.8 kg, Hairy-nosed otter: 5 - 5.9 kg, Giant Otter: 26 - 32 kg
adult harp seals can weigh up to 330 pounds. adult harp seals can weigh up to 330 pounds.
50
they weigh about 12-15 kg
About 70 kg.
An adult lemon sole can weigh up to 3kg.
If it's an adult it'll weigh around 140 lbs.