Speleogobius trigloides, also known as the Grotto goby, is a species of goby native to the Mediterranean Sea where it is known to inhabit grottoes at depths of from .Kovačić, M., Ordines, F. & Schliewen, U.K. (2016): A new species of Speleogobius (Teleostei: Gobiidae) from the Western Mediterranean Sea. Zootaxa, 4066 (3): 301–310. This species grows to a length of SL.
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