Fam: Ophiotrichidae
Ophiothrix fragilis (Abildgaard, 1789)
Material: 376 specimens; stations: T2, T3, T4, T5, T6, T8, T9, T11, S3, S4, S8, S14, S15, t1, t2, t6; depth: 1- 80 m; substrates: under stones and gravels, colonies of the stony coral Cladocora caespitosa .
Distribution: Atlantic–Mediterranean.
Literature records for central and/or north Adriatic: Lorenz (1863), Kolosváry (1937), Zavodnik (1960, 1964, 1977, 1997), Tortonese (1965), Despalatović (2005), Zavodnik et al. (2005, 2006).
Literature records for south Adriatic (Croatia): Zavodnik (2003).
Literature records for Montenegro: Kolosváry (1938, 1940), Karaman & Gamulin-Brida (1970), Bruno (1972), Milojević (1979, 1982), Stjepčević & Parenzan (1980).