Ocean's Breath Plateau BWP: TSS Fishes and Whales

Massaraq stared at the tidepools bearing through the exploration. He could see the flashes but when he peered over at Ajei's pool there was something strange with little hooked things on its legs. Crouching down low he let himself get a better look as they scuttled to avoid the shadow of her paw over the water. He heard the warning and looked again at the creature. Was it a spine then?