What's the difference between silverside and silversides?

Silverside

Definition:

Example Sentences:

Definition:

(n.) Any one of several species of small fishes of the family Atherinidae, having a silvery stripe along each side of the body. The common species of the American coast (Menidia notata) is very abundant. Called also silverside, sand smelt, friar, tailor, and tinker.

Example Sentences:

(1) The acute toxicity (96-hr LC50) of un-ionized ammonia to mysids (Mysidopsis bahia) and larval inland silversides (Menidia beryllina) was influenced by pH and salinity in a species specific manner.
(2) Hepatic neoplasms developed in the Japanese medaka, guppy, sheepshead minnow, Gulf killifish, inland silverside, rivulus, and fathead minnow.
(3) A study of procedures for spawning and culture of the inland silverside, Menidia beryllina, was conducted.
(4) The silversides did not survive well in the rice field system and none of the silverside guts examined contained mosquito larvae.
(5) The mosquitofish, Gambusia affinis, and the inland silverside, Menidia beryllina, were evaluated in experimental, one-tenth hectare wild rice plots in Lake County, California, for their impact on densities of Culex tarsalis, Anopheles freeborni and Anopheles franciscanus.
(6) The most frequently cited reviews are those of Critchley, Langworthy, Naville and De Morsier, and Silversides.
(7) Developing embryos of the inland silverside, Menidia beryllina, were exposed to conidiospores of the insect-pathogenic fungus Beauveria bassiana.
(8) In contrast, NH3 toxicity to inland silversides was greatest at pH 7.0 and 9.0 and lowest at pH 8.0.