gasterosteus aculeatus Gasterosteus • gasterosteus pungitius · · · Info · Definitions · Synonyms · Characters · · gasterosteus aculeatus · · Text Common · · Latin · · Scripts 22 · · Length 9 · · Syllables Definitions · · · (noun) of rivers and coastal regions. Synonyms: three-spined stickleback, Gasterosteus aculeatus. · · Noun Definition 1 Synonyms · · · three-spined stickleback · · Synonym 1 Characters · · space U+0020 a latin small letter a U+0061 c latin small letter c U+0063 e latin small letter e U+0065 g latin small letter g U+0067 l latin small letter l U+006C o latin small letter o U+006F r latin small letter r U+0072 s latin small letter s U+0073 t latin small letter t U+0074 u latin small letter u U+0075