Round Goby
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Name and Code
Family
Gobiidae - gobies
Species
Neogobius melanostomus
Taxonomic Authority
(Pallus 1814)
Common Name(s)
Round Goby
French Name
gobie à tâches noires
Species Code
366
Family TSN
171746
Parent TSN
172067
Species TSN
172072
Conservation Status
Global Rank (GRank)
G5 (2002-09-20)
National Rank (NRank)
NNA (2016-05-10)
Provincial Rank (SRank)
SNA (1998-11-03)
COSEWIC Status
none
SARO Status
none
AFS Status
none
Status Notes
none
Ecological Value
Ontario Origin
introduced
General Abundance
common
Tolerance
intermediate
Economic Importance
invasive species
Length-Weight Regression Coefficents
Intercept (a)
-5.71
Slope (b)
3.4821
Length Basis
TL
Habitat and Feeding
General Habitat(s)
lacustrine; riverine
Environment
benthic
Trophic Class
invertivore
Thermal Regime
coolwater
Habitat Preference
cobble, gravel and sandy substrates in the lower to middle reaches of rivers and nearshore of lakes (to 20 m); optimum water temperature range 23-26°C
Reproduction
Reproductive Guild
Guarders: Substratum choosers: Lithophils
Spawning Habitat(s)
lacustrine; riverine
Spawning Season
spring-summer
Spawning Month(s)
May-July
Spawning Temperature (°C)
9-26
Fecundity
198-1,818
Nursery Habitat(s)
lacustrine; riverine
Size and Age
Adult Length (cm)
7.6-15.2 TL
Adult Weight (kg)
0.006-0.050
Age at Maturity (yrs)
2-3 (m); 1-2 (f)
Maximum Length (cm)
35.0 TL
Maximum Weight (kg)
0.381
Lifespan (yrs)
4-5 (m); 3-4 (f)
Ontario Records
Record Length (cm)
24.4 TL
Record Weight (kg)
none
Ontario Range Map
Round Goby range
Ontario Distribution
Great Lakes and tributaries, St. Lawrence River, Lake Simcoe, Rice Lake, Trent River; introduced with ballast water and first reported from the St. Clair River in 1990; rapidly expanding its range
Photographs
Round Goby photograph
Round Goby photograph
Notes
fractional spawner; native to Black and Caspian Sea basins; tolerant of low dissolved oxygen, turbidity and a wide range of water temperatures; use as bait prohibited
Information Sources
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