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North America: Hudson Bay, Lake Ontario, and Atlantic Slope drainages from Quebec and Ontario, Canada to James River drainage, Virginia, USA.
Size / Weight / Age
Maturity: L
m
 
?
  range ? - ? cm
Max length : 51.0 cm TL male/unsexed; (Ref.
86798
); common length : 17.1 cm TL male/unsexed; (Ref.
12193
); max. published weight: 1.6 kg (Ref.
40637
); max. reported age: 6 years (Ref.
72462
)
Semotilus corporalis
can be distinguished by the possession of the following characters: large eye; large lateral scales (43-50); moderately compressed body; fairly long, rounded snout slightly overhanging large mouth; dorsal fin origin over or slightly behind pelvic-fin origin; 8 dorsal rays; 8 anal rays; adults have scales on backs and upper side darkly outlined; and young has black stripe along side, dark caudal spot. Olive to gold-brown above, dark stripe along back; bright silver side, sometimes with purple or blue sheen; black bar along back of gill cover. Breeding males have fairly large tubercles on head (Ref.
86798
).
Inhabits gravel- and rubble-bottomed pools and runs of small to medium rivers, and also lake margins (Ref.
86798
).
Life cycle and mating behavior
Maturity
|
Reproduction
|
Spawning
|
Eggs
|
Fecundity
|
Larvae
Page, L.M. and B.M. Burr
, 2011. A field guide to freshwater fishes of North America north of Mexico. Boston : Houghton Mifflin Harcourt, 663p. (Ref.
86798
)
Phylogenetic diversity index (Ref.
82804
): PD
50
= 0.5625 [Uniqueness, from 0.5 = low to 2.0 = high].
Bayesian length-weight: a=0.01259 (0.00549 - 0.02888), b=3.01 (2.80 - 3.22), in cm total length, based on LWR estimates for this species & (Sub)family-body (Ref.
93245
).
Trophic level (Ref.
69278
): 3.4 ±0.55 se; based on food items.
Resilience (Ref.
120179
): Medium, minimum population doubling time 1.4 - 4.4 years (Fec=12,021).
Fishing Vulnerability (Ref.
59153
): Moderate vulnerability (40 of 100).
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Laguna, Philippines
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