Neogobius pallasi (Berg 1916)

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 : 238-240

Neogobius pallasi (Berg 1916) – Native

Gobius fluviatilis pallasi Berg [L. S.] 1916: 417; Type locality: Caspian Sea. Syntypes: ZISP 2195, 2204, 23137, 30729, 30736, 30738, 30919, 30920, 30924–26. 33182, 34276, 34277.

Common name: Pr: Gavmahi tireh, Gav mahi rudkhanehai, Gavmahi sheni, En: Caspian sand goby.

Diagnosis: Distinguished by pelvic fin anterior membrane with rounded and shallow lateral lobes (less than 20% rear edge width). Nape covered by ctenoid scales. D 1 without large dark spot (except in juveniles). Pelvic fin membrane anterior lobes small, rounded. Angle of jaw anterior to orbit and two transverse infraorbital papillae rows below longitudinal hyomandibular row b.

Meristic characters: D 1: V–VII (VI), D 2: I 11–18 (15–17), A: I 11–17 (13–15), P: 16–19, LS: 49–69, TV: 31–35.

Distribution: Caspian basin ( Fig. 439). Reported from several rivers at the southeast, the southwest and the south central of Caspian Sea.

Taxonomy: Berg (1949) placed pallasi in Rhinogobius fluviatilis as subspecies but Kottelat and Freyhof (2007) consider as valid and full species.

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