Black Sea tadpole-goby (Benthophilus nudus) fish species and information / pictures of Black Sea tadpole-goby - Benthophilus nudus

Black Sea tadpole-goby (Benthophilus nudus) fish species information

Scientific Name
Benthophilus nudus

Common Name
Black Sea tadpole-goby

Biology
This species is distinguished from its congeners by the following characters: a tubercle between eyes; numerous, densely-set granules on head and flanks, also between dorsal and upper lateral rows of tubercles on caudal fin; head width 77-92% HL; tubercles in dorsal row 26-29, ventral row 22-25, upper lateral row over 20 (not markedly smaller on caudal peduncle), lower lateral row up to 10; chin barbel slightly compressed, thick, about half in eye diameter in length; origin of D2 in front of anal origin; transverse rows of neuromasts on flank 19-23; a dark spot often in front of D2; sides with dark blotches and irregular dots; a blotch around base of first dorsal not reaching origin of D2 (Ref. 59043).

Classification

Classified By
Berg, 1898
Class
Ray-finned fishes (Actinopterygii)
Order
Perch-like fish (Perciformes)
Family
Gobies (Gobiidae)

Distribution

Region
Europe
Distribution
Europe: in Tendrovskiy Bay, occurs in limans and coastal lakes of north-western Black Sea, lakes of Danube delta; in rivers, found rather far upstream from Danube to Iron Gate dam, Dniester to Bendery, South Bug to Aleksandrovskaya dam (formerly) Gard rapids. Invasive in Dnieper reservoirs after damming in late 1940s where it now reaches up to Kiev and Ingulets up to Snegirevka.
Range
Unknown

Environment

Climate
Temperate
Water Temperature From
Unknown °C
Water Temperature To
Unknown °C
Depth From - meters
Unknown m
Depth To - meters
Unknown m
Zone
demersal
Environment
Freshwater; brackish; demersal
Trophic Level
3.39 s.e. 0.51 Based on size and trophs of closest relatives
Occurs in Marine / Salt water
False
Occurs in Brackish water
True
Occurs in Fresh Water
True
Occurs on Reefs
False
Is kept in Aquariums
False

Physical Size and Genetics

Maximum Length
15.0 cm
Common Length
Unknown cm
Phylogenetic Diversity Index
PD50 = 0.5000 many relatives (e.g. carps) 0.5 - 2.0 few relatives (e.g. lungfishes)

Human Uses and Population

Human Uses
Fisheries:
Vulnerability
Low vulnerability (10 of 100)
Resilience
Medium, minimum population doubling time 1.4 - 4.4 years (Preliminary K or Fecundity.)
Threat To Humans
  Harmless
IUCN Red List Status
  Least Concern (LC)