Amphibalanus improvisus (brackish water barnacle)
Phylum: | Arthropoda |
Subphylum: | Crustacea |
| Class: | Hexanauplia |
| Subclass: | Copepoda |
Habitat: | Hard bottom |
Occurrence: | Shallow water zone up to 40 m |
Size: | Bis 1.5 cm |
Appearance: | Whitish, 6 smooth calcareous plates |