Proterorhinus nasalis (De, Filippi 1863)

Jouladeh-Roudbar, Arash, Ghanavi, Hamid Reza & Doadrio, Ignacio, 2020, Fig. 4 in Fig. 4 in Fig. 3 in Fig. 21. Sesarmops mora n in Paralbunea dayriti, Zoological Studies 59 (21), pp. 1-303 : 246

Proterorhinus nasalis (De, Filippi 1863) – Native ( Fig. 452)

Gobius nasalis De Filippi [F.] 1863: 390; Type locality: Caspian Sea near Baku. Syntypes: BMNH 1869.3.4.34 (1); MSNG 12655 (2), 36228 (3); MZUT 672 (7); NMW 33894–96 (1, 1, 1); ZMB 5015 (3).

Gobius blennioides Kessler [K. F.] 1877: 12; Type locality: Baku Bay, Caspian Sea, Azerbaijan, depth 42 feet [6 Russian fathoms]. Holotype (unique): ZIN 10903 .

Gobius semipellucidus Kessler [K. F.] 1877: 15; Type locality: Mouth of Karasu River , Astrabad Bay, Caspian Sea, Azerbaijan. Holotype (unique): ZIN (not found in 1996).

Common name: Pr: Gav mahi marmari, Gav mahi bini loleyi, En: Eastern tubenose goby.

Diagnosis: Distinguished by moderate head and the anterior nostrils forming a distinctive and obvious tube and the origin of D 1 is displaced anteriorly.

Meristic characters: D 1: VI, D 2: I 12–20 (16–17), A: I–II 11–17 (13–14), P: 14–16, LS: 34–53, TV: 30– 33.

Distribution: Caspian Sea basin ( Fig. 453). Reported from the southeast Caspian Sea, the southwest Caspian Sea and the south-central Caspian Sea. The main populations found in Anzali Wetland and Gorgan Bay.

Taxonomy: Berg (1949) synonymized with Proterorhinus marmoratus but Freyhof and Naseka (2007) regard as valid and full species.

Conservation: IUCN: Least Concern (Freyhof and Kottelat 2008ad).