lividus, Sicyopterus Parenti [L. R.] & Maciolek [J. A.] 1993:962, Figs. 5D, 9, 11A, 12A [Bulletin of Marine Science v. 53 (no. 3); ref. 21279] 4th tributary of Nanpil River, Ponape, eastern Caroline Islands. Holotype: CAS 67447. Paratypes: BPBM 35019 [ex CAS 67454] (4); CAS 67478-9 (1, 1), 67451 (1), 67453-4 (8, 8), 67457-8 (21, 3), 67480-90 (1 ea.), 67491 (15, 2 c&s), 67492-500 (9, c&s), 77367 [ex CAS 67447] (1); ROM [ex CAS 67457] (4); USNM 322470 [ex CAS 67453] (4). •Valid as Sicyopterus lividus Parenti & Maciolek 1993 -- (Buden et al. 2001:6 [ref. 25496], Larson & Murdy 2001:3602 [ref. 26293], Keith et al. 2015:108 [ref. 34328]). Current status: Valid as Sicyopterus lividus Parenti & Maciolek 1993. Gobiidae: Sicydiinae. Distribution: Micronesia, western Pacific. Habitat: freshwater, brackish, marine.