Some types of starfish eat other smaller species of starfish, if that was what you were getting at.
seagulls, crabs, some fish, seastars
Clams, oysters, and small fish, because they are carnivorous.
seastars, or starfish may be poisonous
Seastars are preyed upon by animals such as fish, crabs, birds, and some species of sea turtles. They are also susceptible to diseases and parasites. Additionally, human activities, such as pollution and habitat destruction, can negatively impact seastar populations.
eggs
Seastars are invertebrates.
they move by the bottom of their arms
squid and seastars
No -- starfish or seastars are echinoderms and as such are invertebrates. -- no spines.
they are in kingdom animalia but it doesn't have a backbone
The Chiton's predator is the sea star and some types of octopus.
The seastars don't have houses they live on the coral.