The fallfish (''Semotilus corporalis'') is a species of freshwater
ray-finned fish
Actinopterygii (; ), members of which are known as ray-finned fish or actinopterygians, is a class of bony fish that comprise over 50% of living vertebrate species. They are so called because of their lightly built fins made of webbings of sk ...
in the
family
Family (from ) is a Social group, group of people related either by consanguinity (by recognized birth) or Affinity (law), affinity (by marriage or other relationship). It forms the basis for social order. Ideally, families offer predictabili ...
Leuciscidae
Leuciscidae is a family of freshwater ray-finned fishes, formerly classified as a subfamily of the Cyprinidae, which contains the true minnows.
Members of the Old World (OW) clade of minnows within this subfamily are known as European minnow ...
. The fallfish is the largest
minnow species native to Eastern North America.
Description
Average specimens generally measure about in length, but individuals occasionally grow to
with exceptional specimens of more than having been recorded.
Juvenile fallfish have a dark stripe that runs down the center of their body. They are a silvery shade on the top and sides of the body, but have a white shading on the belly. Breeding males develop a pinkish tone on the
opercular region, although the species does not develop bright breeding colors. Spawning males build stone nests, known as a redd, which form a prominent part of the bottom on many streams throughout the northeast. Spawning is communal with both males and females joining the nest builder.
Distribution and habitat
Fallfish are found in the northeastern United States and eastern Canada, where they inhabit clear streams, lakes, and ponds. They predominantly prefer swift currents, however, they can also be found in well oxygenated pools. As their name suggests they are often found at the base of waterfalls. Before the introduction of fish such as
smallmouth bass
The smallmouth bass (''Micropterus dolomieu'') is a species of freshwater fish in the Centrarchidae, sunfish family (biology), family (Centrarchidae) of the order (biology), order Centrarchiformes. It is the type species of its genus ''Micropterus ...
,
largemouth bass, and
brown trout, the fallfish was the
apex predator
An apex predator, also known as a top predator or superpredator, is a predator at the top of a food chain, without natural predators of its own.
Apex predators are usually defined in terms of trophic dynamics, meaning that they occupy the hig ...
in many streams.
Diet and predation
Juvenile and young fallfish primarily consume
chironomids and
zooplankton. Once they reach 100mm their diet transitions to small fish (including their own young) and prey of opportunity such as fish eggs and terrestrial insects. There is little overlap between the diets of juvenile and adult fallfish.
Angling
Fallfish are often encountered when fishing for more desirable species, but their large size, dogged fighting style, powerful runs on light tackle, and willingness to strike make them a worthy quarry in their own right. They will readily take bait, lures, and flies, and have been known to strike lures almost as large as themselves.
The
International Game Fish Association (IGFA) All Tackle World Record for fallfish is , caught by Jonathan McNamara in the
Susquehanna River
The Susquehanna River ( ; Unami language, Lenape: ) is a major river located in the Mid-Atlantic (United States), Mid-Atlantic region of the United States, crossing three lower Northeastern United States, Northeast states (New York, Pennsylvani ...
near
Owego, New York, USA on April 15, 2009. The record was tied on May 6, 2022, by angler Josh D. Dolin while fishing the
Cowpasture River near
Williamsville, Virginia. Two heavier, more recent, record fish from this river are currently pending,
which will take the record to .
[ Previous records come from New Hampshire and Pennsylvania.
Thoreau said of its eating qualities: "it tastes of brown paper, salted."
]
References
External links
*Smith, L. C. The Inland Fishes of New York State. New York: The New York State Department of Environmental Conservation. 1985, pp. 155, 156
*
Semotilus
Fish described in 1817
Taxa named by Samuel L. Mitchill
Freshwater fish of North America
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