Animal
Sea urchins
Animal Name
Schizaster lacunosus (Linnaeus)
Classification
Kingdom
Animalia
Phylum
Echinodermata
Class
Echinoidea
Order
Spatangoida
Family
Schizasteridae

Characteristic Features

-Heart shape body consists of plates with movable spines

-Anus posterior in heart urchin

-Size: about 40 mm in body length

Ecology
Feed on organic particles
Habitat
Subtidal on sandy mud bottom; aggregate in large abundance
Distribution
Locations
Tolo Channel (2), Tolo Channel (3), Mouth of Tolo Harbour (2)