Didogobius lanceolatus Schliewen, Knorrn & Böhmer, 2023

Family:  Gobiidae (Gobies), subfamily: Gobiinae
Max. size:  6.778 cm SL (male/unsexed)
Environment:  benthopelagic; marine; depth range - 30 m
Distribution:  Eastern Central Atlantic: Mauritania.
Diagnosis:  Dorsal spines (total): 7-7; Dorsal soft rays (total): 13-13; Anal spines: 1-1; Anal soft rays: 11-11; Vertebrae: 27-27. This species is distinguished from all currently described members of the genera Didogobius, Chromogobius, Marcelogobius and Peter, by the following set of characters: caudal fin lanceolate; eyes small or reduced (vs. large eyes); vertebrae 27; D2 I,13, A I,11; predorsal region is in front of D1 naked; body squamation reduced, with only a few cycloid scales anteriorly and in tail region; with anterior oculoscapular canal with only pores ?,??,??,??; posterior oculascapular and preopercular head canal are absent; suborbital row 7 with more than five papillae; suborbital rows 2 and 4 close to orbit (Ref. 130223).
Biology:  Like other members of the subfamily Gobiinae, this species has a cryptobenthic lifestyle, living at least temporarily sheltered in soft sediment burrows. Its discovery was accidental after being collected with (silty) mud The sediment sample contained agglutinated worm tubes and shells of Atrina chautardi. Live associated fauna comprised a second unidentified fish species and beyond abundant polychaetes, gastropods, bivalves, amphipods and shrimps. A potential burrow-dwelling lifestyle might provide shelter against predators on this relatively flat seafloor lacking any hard substrates (Ref. 130223).
IUCN Red List Status: Not Evaluated (N.E.) Ref. (130435)
Threat to humans:  harmless
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