Classification / Names
Common names | Synonyms | Catalog of Fishes (gen., sp.) | ITIS | CoL | WoRMS | Cloffa
Actinopterygii (ray-finned fishes) > Siluriformes
(Catfish) > Ictaluridae
(North American freshwater catfishes)
Etymology: Noturus: Greek, noton = back + Greek, oura = tail; refred to the position of the tail over the back (Ref. 45335); gyrinus: gyrinus meaning tadpole (Greek), refers to the similarity in shape and texture to tadpoles (Ref. 10294).
Environment / Climate / Range
Freshwater; demersal. Temperate; 52°N - 26°N
Size / Weight / Age
Maturity: Lm ?  range ? - ? cm
Max length : 13.0 cm TL male/unsexed; (Ref. 5723); common length : 4.8 cm TL male/unsexed; (Ref. 12193); max. reported age: 3 years (Ref. 12193)
North America: Atlantic and Gulf Slope drainages from New Hampshire to Nueces River in Texas, USA; St. Lawrence-Great Lakes, Hudson Bay (Red River), and Mississippi River basins from Quebec to Saskatchewan in Canada and south to Gulf of Mexico in USA.
Inhabits lakes, rock-, mud-bottomed or detritus-bottomed pools and backwaters of lowland creeks and small to large rivers (Ref. 5723, 10294). Feeds on midge, isopods, amphipods, mayfly and caddis larvae (Ref. 10294).
Page, L.M. and B.M. Burr, 1991. A field guide to freshwater fishes of North America north of Mexico. Houghton Mifflin Company, Boston. 432 p.
IUCN Red List Status (Ref. 90363)
CITES (Ref. 94142)
Threat to humans
ReferencesAquacultureAquaculture profileStrainsGeneticsAllele frequenciesHeritabilityDiseasesProcessingMass conversion
CollaboratorsPicturesStamps, CoinsSoundsCiguateraSpeedSwim. typeGill areaOtolithsBrainsVision
Estimates of some properties based on empirical models
Phylogenetic diversity index (Ref. 82805
= 0.5000 [Uniqueness, from 0.5 = low to 2.0 = high].
Bayesian length-weight: a=0.00851 (0.00442 - 0.01638), b=3.12 (2.95 - 3.29), based on LWR estimates for this Subfamily-BS (Ref. 93245
Trophic Level (Ref. 69278
): 3.3 ±0.45 se; Based on food items.
Resilience (Ref. 69278
): High, minimum population doubling time less than 15 months (tmax=3).
Vulnerability (Ref. 59153
): Low vulnerability (23 of 100) .