a pea crab, Pinnotheres maculatus, the female of which lives as a commensal within the mantle cavity of mussels.
/ˈmʌsəlˌkrækə/ noun 1. (South African) a large variety of sea bream, Sparodon durbanensis, that feeds on shellfish and is a popular food and game fish
noun 1. . noun 1. any of numerous tiny marine and freshwater crustaceans of the subclass Ostracoda, having a shrimplike body enclosed in a hinged bivalve shell.
[muhs-i-teyt] /ˈmʌs ɪˌteɪt/ verb (used without object), mussitated, mussitating. Obsolete. 1. to mutter; mumble.
[muhs-i-tey-shuh n] /ˌmʌs ɪˈteɪ ʃən/ noun 1. silent movement of the lips in simulation of the movements made in audible speech. 2. muttering; mumbling; murmuring. mussitation mus·si·ta·tion (mŭs’ĭ-tā’shən) n. Movement of the lips as if speaking but without sound.