Meanings

skeleton shrimp (Caprella mutica)

titan triggerfish (Balistoides viridescens)

crab shell (often ground or crushed and used as fertilizer)

conchoidal fracture

to break up and start anew

Fowler's snake eel (Ophichthus erabo)

ice crust

continental crust

hull

putamen (part of brain)

shellfish allergy

isostasy

grayish-blue (color)

(coal) cinders

hard-shelled nut (e.g. walnut, pecan, almond)

to withdraw into oneself

closed shell

onigara yaki

Ghost in the Shell (film)