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Arkansas fishes are a combination of abundant and rare species—primitive and ancestral, commercial and sport, game and non-game, native and introduced, and transplanted and exotic. There are approximately 233 fish species in Arkansas. Arkansas has a relatively rich fish fauna compared to neighboring states (which range between 148 and 319 fish species). Some species, such as the western mosquitofish (Gambusia affinis), are common statewide, whereas other species, such as the yellowcheek darter (Etheostoma moorei), have more restricted distributions. Distinct differences in topography and geology between northwestern (upland) and southeastern (lowland) Arkansas have led to distinctly different groups of fish species developing in each of these regions. For example, because of an abundance of clear, gravel-bottom, flowing streams in northwestern Arkansas, sight-feeding predators like smallmouth bass (Micropterus dolomieu), many minnows (Cyprinidae family), and darters (Percidae family) tend to predominate. Conversely, species that thrive in deep, turbid, sluggish rivers—such as catfishes (Ictaluridae family), freshwater drum (Aplodinotus grunniens), and suckers (Catostomidae family)—tend to be abundant in southeastern Arkansas.

There are four Arkansas fishes listed by the U.S. Fish and Wildlife Service asthreatened or endangered: the pallid sturgeon (Scaphirhynchus albus), the Ozark cavefish (Amblyopsis rosae), the Arkansas River shiner (Notropis girardi), and the leopard darter (Percina pantherina). These species have experienced precipitous declines in abundance or distribution due to man-induced influences, such as habitat alterations and reductions, pollution, and exploitation. The Arkansas River shiner is considered extirpated from the state.

Arkansas fishes are a mixture of primitive fishes with ancestral characteristics and modern fishes with more derived characteristics. Paddlefish (Polyodon spathula) and the sturgeons (Acipenseridae family) are relict species with striking characteristics, such as asymmetrical tails and cartilaginous skeletons, both features of sharks. Minnows and sunfishes (Centrarchidae family) are more typical modern bony fishes, with calcified skeletons and symmetrical tails.

Commercial fishing played an important role during settlement and early development of Arkansas. Commercial catches of freshwater fishes have probably declined in recent history, but catch statistics from the late 1800s and early 1900s do not exist. It is no longer legal to buy or sell game fish in Arkansas unless the fish were raised by a licensed fish farmer or unless they are bream (Lepomis species) four inches or less in length. One noteworthy commercial fishery is the harvest of paddlefish for their eggs. The eggs or roe of paddlefish are processed into caviar and can sell retail for as much as $200 per pound. The three most important game or sport fisheries in Arkansas are catfishes, crappies (Pomoxis species), and black basses (Micropterus species). Each year, angling in Arkansas accounts for more than 13 million days of recreation and expenditures of almost $500 million. In addition to game fishes, Arkansas also has a wide range of non-game species that include sixty-two minnow species and thirty-eight darter species. Overall, about 205 fish species are native to Arkansas.

Approximately twenty-eight fish species, one subspecies, and three hybrids have been introduced (intentionally or unintentionally released into waters where they are not native) to Arkansas. The exact number of nonindigenous fishes in Arkansas is a matter of debate. The U.S. Geological Survey’s Nonindigenous Aquatic Database lists fifty-one records of nonindigenous fishes in Arkansas. Some native species have been introduced within the state outside of their natural geographic distribution. Fishes are introduced to create recreational fishing opportunities, as biological control agents, or for other reasons. Northern pike (Esox lucius) and muskellunge (Esox masquinongy) were introduced, to diversify recreational fishing opportunities, into deeper reservoirs where they were able to survive warm summer temperatures in the cooler, deeper waters. Construction of dams on the White River in the mid-1900s eliminated habitat for many native fish species. To increase recreational fishing opportunities, non-native rainbow trout (Oncorhynchus mykiss), cutthroat trout (Oncorhynchus clarkii), and brook trout (Salvelinus fontinalis) were introduced into the tailwaters below these dams, which were cool and unable to support the native species. These three trout are considered transplanted, because their natural geographic distributions included some part of the United States. The brown trout (Salmo trutta) was also introduced into these tailwaters. The brown trout is an exotic species (not indigenous anywhere in the United States) originally imported from Europe. Today, these tailwaters are the basis for a multi-million-dollar trout fishery. The world record forty-pound four-ounce brown trout was caught on the Little Red River below Greers Ferry Lake in 1992. The exotic grass carp (Ctenopharyngodon idella) was introduced into Arkansas in 1963 for use as a biological control agent for aquatic vegetation. Other Asian carps were introduced into Arkansas, as plankton control agents, for use in aquatic systems. All of these carp species have subsequently been collected from public waters. Several exotic African cichlids (Oreochromis species) have been introduced into Arkansas reservoirs as forage for native predatory fishes. The Florida subspecies of largemouth bass was introduced to Arkansas because of its tendency to grow larger than the northern species. The Florida subspecies does not grow well in colder, higher latitudes, and its distribution in Arkansas is limited to southern portions of the state.

Advances in reproductive technologies allow the production of hybrids, which are crosses between two fish species from the same genus. Hybrid fishes tend to exhibit hybrid vigor, whereby the hybrids display the best characteristics of both parental species. Hybrids may grow faster, be more tolerant of poor water quality, or fight better when caught by anglers. Three hybrids have been stocked in Arkansas to improve and diversify angling opportunities. The tiger muskellunge is a cross between northern pike and muskellunge. Sunshine bass is a cross between white bass (Morone chrysops) and striped bass (Morone saxatilis), and saugeye is a cross between sauger (Sander canadensis) and walleye (Sander vitreus). Hybrids generally have reduced reproductive capacity, and none of these hybrids are self-sustaining populations in natural waters of the state.

The fish fauna of Arkansas is dynamic. There have been at least eighteen new species identified in Arkansas since authors H. W. Robison and T. M. Buchanan completed their work on Fishes of Arkansas in 1988. There is a growing concern regarding the introduction of non-native fishes. The benefits of introduced fish species should be compared to the risk of negative effects of introduced species on native fishes and their habitats. Management of the diverse fish fauna and conservation of Arkansas native and introduced fishes will require creative solutions to present and future conflicts over water resources, land use practices, and industrial and agricultural development.

For additional information:
Robison, H. W., and T. M. Buchanan. Fishes of Arkansas. Fayetteville: University of Arkansas Press, 1988.

Nonindigenous Aquatic Species Database. U.S. Geological Survey. http://nas.er.usgs.gov (accessed June 11, 2007).

Steve Lochmann
Aquaculture/Fisheries Center
University of Arkansas at Pine Bluff

Table 1. Fishes Introduced in Arkansas
(Note: The U.S. Geological Survey Nonindigeneous Aquatic Species Database lists fifty-one records of nonindigeneous fishes in Arkansas. The exact number of nonindigeneous species is debatable and is likely to change occasionally as new fish are introduced.)

Exotics

 

Carassius auratus

goldfish

Ctenopharyngodon idella

grass carp

Cyrpinus carpio

common carp

Hypophthalmichthys molitrix

silver carp

Hypophthalmichthys nobilis

bighead carp

Mylopharyngodon piceus

black carp

Scardinius erythrophthalmus

rudd

Piaractus brachypomus

pirapatinga

Salmo trutta

brown trout

Astronotus ocellatus

oscar

Oreochromis aureus

blue tilapia

Oreochromis mossambicus

Mozambique tilapia

Oreochromis niloticus

Nile tilapia

Tilapia zillii

redbelly tilapia

 

 

Non-Native Transplants

 

Ameiurus catus

white catfish

Esox lucius

northern pike

Esox masquinongy

muskellunge

E. lucius x E. masquinongy

tiger muskellunge

Osmerus mordax

rainbow smelt

Oncorhynchus clarkii

cutthroat trout

Oncorhynchus mykiss

rainbow trout

Salvelinus fontinalis

brook trout

Salvelinus namaycush

lake trout

Morone saxatilis

striped bass

Morone americana

white perch

Morone chrysops x M. saxatilis

sunshine bass

Ambloplites rupestris

rock bass

Lepomis auritus

redbreast sunfish

Micropterus coosae

redeye bass

Micropterus salmoides floridanus

florida subspecies of largemouth bass

Perca flavescens

yellow perch

Sander candensis x S. vitreus

saugeye

 

 

Native Transplants

 

Dorosoma petenense

threadfin shad

Notropis ozarcanus

Ozark shiner

Notropis potteri

chub shiner

Pimephales promelas

fathead minnow

Ameiurus nebulosus

brown bullhead

Ictalurus furcatus

blue catfish

Noturus exilis

slender madtom

Esox niger

chain pickerel

Menidia beryllina

inland silverside

Ambloplites constellatus

Ozark bass

Micropterus dolomieu

smallmouth bass

Sander canadensis

sauger

Sander vitreum

walleye

 

Last Updated 7/25/2013

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