How to pronounce “hydroid” in English

But all I could see-- those beautiful tree-like extended tentacles were not extended.This crab collected a lot of red and green algae and some hydroids coming out of its snout there.

These crabs, they go round and they just collect stuff.A lot of times it's algae, sometimes it's other marine animals like hydroids.And they kind of paste it.

But the idea is that they kind of blend in.It's camouflage. Here's another one that's got some hydroids attached to its head, like a kind of a wild chapeau.They check it to make sure that everything is in place.