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 OMNRF 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) -5.7100 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) 24.6 TL Maximum Weight (kg) no data Lifespan (yrs) 4-5 (m); 3-4 (f) Ontario Records Record Length (cm) 19.5 TL Record Weight (kg) 0.100				Ontario Range Map 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 Notes native to Black and Caspian Sea basins; tolerant of low dissolved oxygen, turbidity and a wide range of water temperatures; use as bait prohibited
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