Proterorhinus marmoratus (Pallas, 1814)
Tubenose goby
Proterorhinus marmoratus
photo by Pekarik, L.

Family:  Gobiidae (Gobies), subfamily: Gobiinae
Max. size:  11.5 cm TL (male/unsexed)
Environment:  demersal; freshwater; brackish; marine; pH range: 7 - 7.5; dH range: 10, amphidromous
Distribution:  Eurasia: rivers and estuaries of Black Sea, Sea of Azov and Caspian Sea, including tributaries. In the Mediterranean, occurs only in the Evros and Strymon systems, which empty in the northern Aegean Sea.
Diagnosis:  Dorsal spines (total): 7-8; Dorsal soft rays (total): 14-18; Anal spines: 1-1; Anal soft rays: 12-15. Seven transverse suborbital rows, complete oculoscapular and preopercular lateral-line canals, scaled nape and as a distinctive autapomorphy, an elongate anterior nostril, which extends over the upper lip. Broad dark oblique banding across the body.
Biology:  Pure inhabitant of brackish waters (Ref. 92840). Occur in rivers and estuaries (Ref. 4696). Based on morphological and molecular data, this species does not enter pure freshwater and inhabits brackish waters in Sevastopol, Crimea (Ref. 59043).
IUCN Red List Status: Least Concern (LC); Date assessed: 12 March 2014 Ref. (130435)
Threat to humans:  harmless


Source and more info: www.fishbase.org. For personal, classroom, and other internal use only. Not for publication.