klausewitzi, Ctenogobiops Goren [M.] 1978:193, Fig. 2 [Senckenbergiana Biologica v. 59 (nos 3/4); ref. 1851] El-Tor, Sinai coast, Egypt, Gulf of Suez, Red Sea. Holotype: HUJ 10063 [ex HUJ 5698]. Paratypes: SMF 13834-35 (1, 1), HUJ 5698 (5). Type catalog: Golani 2006:34 [ref. 28840] with holotype as 10096 (needs checking). •Valid as Ctenogobius klausewitzi Goren 1978 -- (Goren 1979:34 [ref. 1852], Dor 1984:243 [ref. 29757]). •Valid as Amblygobius klausewitzi (Goren 1978) -- (Goren & Dor 1994:62 [ref. 25356], Bogorodsky & Goren 2023:4 [ref. 40247]). •Synonym of Amblygobius nocturnus (Herre 1945) -- (Randall 1995:328 [ref. 22896], Larson 2022:41 [ref. 39965]). Current status: Synonym of Amblygobius nocturnus (Herre 1945). Gobiidae: Gobiinae. Habitat: marine.