Callogobius williamsi, a new species of goby (Teleostei: Gobiidae) from the Marquesas Islands, with notes on the status of all nominal Callogobius species.

Callogobius williamsi new species is described from the 32.9 mm SL holotype and 29 paratypes (6.932.

A review of the Callogobius (Teleostei: Gobiidae) from the Red Sea with the description of a new species.

Five species of Callogobius Bleeker have been previously reported from the Red Sea: C. amikami Goren, Miroz & Baranes, C. clarki (Goren), C.

Pempheris bexillon, a new species of sweeper (Teleostei: Pempheridae) from the Western Indian Ocean.

Pempheris bexillon new species is described from the 129 mm SL holotype and 11 paratypes (119-141 mm SL) from the Comoro Islands. Twelve other specimens have been examined from the Agaléga Islands, Mascarene Islands, and Bassas da India (Madagascar). It is differentiated from other Pempheris by the following combination of characters: a yellow dorsal fin with a black, distal margin along its full length, broadest on anterior rays (pupil-diameter width) and gradually narrowing posteriorly, the last ray with only a black tip; large, deciduous cycloid scales on the flank; dark, oblong spot on the pectoral-fin base; anal fin with a dark margin; segmented anal-fin rays 38-45 (usually >40); lateral-line scales 56-65; and total gill rakers on the first arch 31-35; iris reddish-brown.

Callogobius winterbottomi, a new species of goby (Teleostei: Gobiidae) from the Western Indian Ocean.

Callogobius winterbottomi new species is described from the 33.8 mm SL holotype and two paratypes (32.2 mm SL and 22.

Callogobius liolepis Bleeker, a senior synonym of Gobiopsis aporia Lachner and McKinney (Teleostei: Gobiidae: Gobiopsis).

Callogobius liolepis Bleeker in Koumans was briefly described from two specimens from Ambon. A later, more detailed description by Koumans was apparently based on Bleeker's unpublished description and specimens of C. okinawae (Snyder), considerably complicating the taxonomy of several species.