Tanyemblemaria alleni, the slender blenny, is a species of chaenopsid blenny found around Panama, known from one species collected at Isla del Rey. It can reach a length of TL. The specific name honours the collector of the type, Gerald R. Allen of the Western Australia Museum in Perth.
References Hastings, P. A. 1992 Phylogenetic relationships of Tanyemblemaria alleni, a new genus and species of chaenopsid (Pisces: Blennioidei) from the Gulf of Panama. Bulletin of Marine Science v. 51 (no. 2): 147–160.