Three fish species, Bregmaceros atlanticus Goode et Bean, 1886 (Bregmacerotidae), Echiodon dentatus (Cuvier, 1829) (Carapidae), and Nemichthys scolopaceus Richardson, 1848 (Nemichthyidae) were recorded in the Sığacık and Kuşadası Bays (Eastern Aegean Sea, Turkey). B. atlanticus and E. dentatus constitute new records for the Turkish waters and the Aegean Sea, respectively. The finding of Nemichthys scolopaceus is the second record for the Aegean Sea.

A new Lessepsian migrant, Diplogrammus randalli Fricke 1983, is recorded for the first time from the Mediterranean Sea. This species is easily distinguished from other Mediterranean callionymid fishes by its ventrolateral fold skin below the lateral line and its preopercular spine shape.

Abstract. One specimen of the silver-cheeked toadfi sh, Lagocephalus sceleratus (Gmelin, 1789), was obtained for fi rst time from the Sea of Marmara, off Gelibolu, by trammel net in October 2008. The morphological features of this species were examined. The presently reported fi nding also represents the second documented occurrence of a puffer fi sh in the Sea of Marmara.

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Panturichthys fowleri ) is redescribed on the basis of 27 specimens from the coasts of Israel, Lebanon, and Turkey. The species is recorded from Turkey for the first time. Morphological variation, especially in dentition and relative head-trunk length was found to be greater than previously recognized. The osteology is described from two cleared-and-stained specimens. A synopsis of the family Heterenchelyidae is presented, and a key to the known species is provided.