What is a Soul Survivor Crustacean?

The Soul Swinger crustaceans are crabs. By checking the official website of Soul Ferryman, we know that Soul Ferryman is a game where the crustacean crab is in the grassy area at the edge of the lake, and you can get it by finding it and killing it. So Soul Swinger crustaceans are crabs. Crustaceans are crustaceans named for the "armor" that covers their bodies. Most crustaceans live in the ocean, a few in fresh water and land; shrimp, crabs and other crustaceans have five pairs of feet, four of which are used to crawl and swim, and a pair of chelicerae are used to defend and hunt.