This website uses cookies to enhance your browsing experience and ensure the functionality of our site. For more detailed information about the types of cookies we use and how we protect your privacy, please visit our Privacy Information page.
This website uses different types of cookies to enhance your experience. Please select your preferences below:
These cookies help us understand how visitors interact with our website by collecting and reporting information anonymously. For example, we use Google Analytics to generate web statistics, which helps us improve our website's performance and user experience. These cookies may track information such as the pages visited, time spent on the site, and any errors encountered.
Proterorhinus nasalis (De Filippi, 1863) Eastern tubenose goby |
![]() |
photo by
Naseka, A.M. |
Family: | Gobiidae (Gobies), subfamily: Gobiinae | |||
Max. size: | 9 cm SL (male/unsexed) | |||
Environment: | demersal; freshwater; brackish | |||
Distribution: | Eurasia: Azov and Caspian Sea basins; in Volga, native in delta, reaching up to Lake Rybinskoye. Populations from western Caucasus coast in Russia and Georgia probably belong to this species. | |||
Diagnosis: | This species is distinguished from its congeners by the following characters: head length 29-31% SL; eye diameter 16-21% HL; anal rays 14-16; total scales in midlateral series 43-49 (Ref. 59043). | |||
Biology: | Inhabits a variety of slow-flowing or still waters; usually associated with dense vegetation or coarse rocks. Spawns for the first time at 1-2 years, and usually only for 1 to 2 seasons, April-August with females spawning more than once during a season. Males guard the eggs which are deposited in cavities; larvae and juvenile are benthic. Feeds on benthic invertebrates. It is invasive in Volga where reportedly, the spreading was due to canalization of main river and reservoirs or slow-flowing waters created by hydroelectric plants (Ref. 59043). | |||
IUCN Red List Status: | Least Concern (LC); Date assessed: 18 April 2022 Ref. (130435) | |||
Threat to humans: | harmless |