Pomoxis nigromaculatus

Geographic Range

The black crappie, Pomoxis nigromaculatus , is found in freshwater streams and rivers as well as lakes and has a native range that encompasses the majority of the eastern United States. The black crappie can be found as far west as the Mississippi River, north to the border between the United States and Canada, and south to the Gulf Coast. The eastern boundary reaches from Virginia southward through Florida. Due to the demand from sport fishing, the geographical range of the black crappie has been greatly expanded. Stocking of lakes has increased the black crappies range to include all of the continental United States.

• Biogeographic Regions
• nearctic nearctic
  • introduced introduced
  • native native

Habitat

The black crappie is found in freshwater lakes, streams, and ponds as well as reservoirs. Characteristics of habitats most commonly inhabited by the black crappie include; cool, deep, and clearer bodies of water with little to no current, substrate composed mainly of sand or mud, and ample cover for protection. The water depth black crappie are found in varies due to environmental factors, reproductive behavior, and feeding behavior. Black crappie are found in shallow waters during the winter months or when they are feeding or spawning.

• Habitat Regions
• temperate temperate
• freshwater freshwater

• Aquatic Biomes
• lakes and ponds
• rivers and streams

Physical Description

The black crappie is part of the family Centrarchidae (sunfish family) which are distinguished by ray-fins. The black crappie’s dorsal fin contains 7-8 spines, which distinguishes it from the Pomoxis annularis (white crappie) which only has 5-6 spines. The black crappie is a laterally compressed, round-bodied fish with symmetrical dorsal and anal fins. Its large mouth is upturned with the lower jaw protruding out. The coloration of the black crappie is typically a dark olive-green to black on top and a lighter silvery coloration below the lateral line. The black crappie has black mottling on much of the body and lighter colored, spotted fins. Black crappie display sexual dimorphism (males larger) and dichromatism (male is darker). Age and habitat also have an impact on the coloration of the black crappie. Black crappies with less coloration tend to be juveniles or live in habitats with turbid waters. Habitats that are clear with ample vegetation are correlated with crappies that have darker coloration and mottling. The typical adult black crappie is 13.0cm-30.5cm in length and weighs 28.0g-800.0g.

• Other Physical Features
• ectothermic ectothermic
• bilateral symmetry bilateral symmetry

• Sexual Dimorphism
• male larger
• sexes colored or patterned differently
• male more colorful

Development

The black crappie starts as a fertilized egg that takes approximately 2-3 days to hatch. The eggs of the black crappie are spherical typically measuring 0.93 mm and contain one oil globule. A newly-hatched larval black crappie is typically around 2.3 mm in length and is transparent. As development continues, the black crappie darkens and develops the classic coloration throughout the first year of life and grow 50.8-76.2 mm. The black crappie displays indeterminate growth. However, there are growth-limiting factors which include: population density, habitat, and availability of resources.

• Development - Life Cycle
• indeterminate growth indeterminate growth

Reproduction

Male black crappies build loosely-defined nests for reproduction. These nest sites are typically constructed on firm substrates such as clay and sand. The nests tend to be in slow-moving, shallow waters protected by dense vegetation. Froese and Pauly (2015) found that the black crappie nesting sites are colonial with each individual male nest averaging less than 60 cm from the next male's nest. These nest sites attract the female black crappie to spawn. The black crappie is thought to be polyandrous with one female black crappie laying eggs in multiple male nests which are then fertilized by the male crappie that built the nest.

• Mating System
• polyandrous polyandrous

The reproduction season for the black crappie ranges from spring to summer, typically from the months of March to July. Reporoductively mature female black crappies begin spawning once when the water temperature reaches 14 degrees Celsius and stop once the water temperature drops below 14 degrees Celsius again. While both sexes reach the age of maturity at approximately 2-4 years, cooler water temperatures may slow sexual development.

During the spawning season, the female black crappie may lay up to 188,000 eggs, but average 40,000 eggs. The female black crappie is able to reproduce multiple times during the one spawning season in the year. The male black crappie cares for the eggs and stays with the larval hatchlings until they are able to leave the nest, approximately 2-4 days after hatching.

• Key Reproductive Features
• iteroparous iteroparous
• seasonal breeding seasonal breeding
• sexual sexual
• fertilization fertilization
  • external external
• broadcast (group) spawning
• oviparous oviparous

After the black crappie eggs have been fertilized, it typically takes 2-3 days for the larval black crappies to hatch. The larval black crappies then remain in the nest for several more days until they are able to swim and hunt well. During this 6-7 day developmental period, the male black crappie guards the nest until all of the larval black crappies leave.

• Parental Investment
• male parental care male parental care
• pre-hatching/birth
  • protecting
    • male
• pre-independence
  • protecting
    • male

Lifespan/Longevity

The lifespan of the black crappie is approximately 7 years. The longest living black crappie on record was 15 years old. Due to the popularity of the black crappie as a sporting fish, fishing typically limits the lifespan of the black crappie.

Behavior

The black crappie is a motile schooling fish. The black crappie moves inland in order to feed and reproduce. It is mostly nocturnal, typically feeding from the hours of midnight to 0200 hours.

• Key Behaviors
• natatorial natatorial
• nocturnal nocturnal
• motile motile

Home Range

There is not a lot of information on the home range of the black crappie. However, the male crappie does build a small nest in shallow waters and defends the area until the larval black crappie depart.

Communication and Perception

The black crappie has multiple means of perceiving its environment. The crappie's lateral line detects vibrations in the surrounding waters. The black crappie also possesses scotopic vision, allowing it to hunt in low-light conditions when the black crappie most commonly feeds. This ability is due to the black crappies' high concentration of red-sensitive retinene2 pigment and an additional lens, called the tapetum lucidum, in their eyeball that increases photosensitivity.

• Communication Channels
• visual visual
• tactile tactile

• Other Communication Modes
• vibrations vibrations

• Perception Channels
• visual visual
• tactile tactile
• vibrations vibrations
• chemical chemical

Food Habits

The black crappie may feed during the day; however it is most commonly nocturnal, active in the evening to early in the morning. An average adult black crappie tends to subsist on a diet of small fish, crustaceans, and insect larvae while the average juvenile subsists mainly on zooplankton and microcrustaceans. While the black crappie typically inhabits deeper waters, it will move inland to more shallow waters in order to feed.

• Primary Diet
• carnivore carnivore
  • piscivore piscivore
  • insectivore insectivore
  • eats non-insect arthropods
• planktivore planktivore

• Animal Foods
• fish
• insects
• aquatic crustaceans
• zooplankton zooplankton

Predation

The black crappie is vulnerable to larger piscivorous fish such as the largemouth bass ( Micropterus salmoides ) and channel catfish ( Ictalurus punctatus ). Black crappie eggs are susceptible to predation by redear sunfish ( Lepomis microlophus ) and bluegill sunfish ( Lepomis macrochirus ). In order to combat these threats, nests are protected from predation by the male black crappie. Black crappies have also adapted to predators by schooling.

Ecosystem Roles

The black crappie plays a role in the food web of its ecosystem. Larger piscivorous fish depend on the black crappie as a source of nutrients. Other large fish and some birds feed on the eggs and/or juvenile black crappie as well. The black crappie in turn helps control the insect and small fish population by feeding on those organisms. The black crappie has been reported to be parasitized by a trematode Haplocleidus dispar and a monogenean Cleidodiscus vancleavei .

Economic Importance for Humans: Positive

The black crappie is a hardy fish that is commonly fished for sport. In multiple studies, the black crappie maintained stable populations and showed no signs of over-fishing in commercial fisheries. Due to this, the black crappie provides an economic benefit to humans through the use of this species as a sport-fish. Commercial fisheries have posted revenues starting at $27 million dollars annually. The black crappie is referenced as a "pan fish" and caught for individual consumption. Its meat is light and flaky and lacks a strong "fishy" taste and is therefore a widely preferred fish to eat.

• Positive Impacts
• food food
• ecotourism ecotourism

Economic Importance for Humans: Negative

There are no known adverse effects of Pomoxis nigromaculatus on humans.

Conservation Status

According to the IUCN Red List, the black crappie is a classified as "least concern," indicating that it is widespread and abundant. The black crappie lacks any major threats that would cause a severe decline in populations and the population is considered stable. There are no current national suggestions for conservation actions such as protection or management for the black crappie. Environmental factors such as water temperature, length of the spawning season, and available resources have an impact on the ability to sustain a stable crappie population. In order to maintain crappie populations in specific areas, catch and length limits may be implemented; however, this is not typically necessary.

Additional Links

Encyclopedia of Life

Contributors

Mary Currier (author), Radford University, Karen Powers (editor), Radford University, April Tingle (editor), Radford University, Emily Clark (editor), Radford University, Cari Mcgregor (editor), Radford University, Jacob Vaught (editor), Radford University, Tanya Dewey (editor), University of Michigan-Ann Arbor.

References

Allen, M., M. Hoyer, D. Canfield Jr.. 1998. Factors related to black crappie occurrence, density, and growth in Florida lakes. North American Journal of Fisheries Management , 18/4: 864-871.

Bone, Q., N. Marshall. 1982. Biology of Fishes . London: Blackie & Son Limited.

Bone, Q., R. Moore. 2008. Biology of Fishes . New York, N.Y.: Taylor & Francis Group.

Bunnell, D., E. Marschall. 2003. Optimal energy allocation to ovaries after spawning. Evolutionary Ecology , 5/3: 457-459.

CIBA Foundation Symposium, 2009. Colour Vision: Physiology and Experimental Psychology . Great Britain: John Wiley & Sons.

Dockendorf, K., M. Allen. 2005. Age-0 black crappie abundance and size in relation to zooplankton density, stock abundance, and water clarity in three Florida lakes. Transactions of the American Fisheries Society , 134/1: 172-183.

Froese, R., D. Pauly. 2015. "FishBase" (On-line). Pomoxis nigromaculatus. Accessed March 19, 2015 at http://www.fishbase.org/summary/Pomoxis-nigromaculatus.html .

Guy, C., D. Willis. 1995. Population characteristics of black crappies in South Dakota waters: A case for ecosystem-specific management. North American Journal of Fisheries Management , 15/4: 754-765.

Helfman, G., B. Collette. 2011. Fishes: The Animal Answer Guide . Baltimore, Maryland: The Johns Hopkins University Press.

Huish, M. 1954. Life history of the black crappie of Lake George, Florida. Transactions of the American Fisheries Society , 83/1: 176-193.

Huntingford, F., P. Torricelli. 1993. Behavioral Ecology of Fishes . Langhorne, Pennsylvania: Hardwood Academic Publishers.

Isermann, D., A. Thompson, P. Talmage. 2010. Comparisons of sex-specific growth and weight–length relationships in Minnesota black crappie populations. North American Journal of Fisheries Management , 30/2: 354-360.

Kleerekoper, H. 1969. Olfaction in Fishes . London: Indiana University Press.

NatureServe, 2013. "Pomoxis nigromaculatus" (On-line). The IUCN Red List of Threatened Species, Version 2014.3. Accessed January 27, 2015 at http://www.iucnredlist.org/details/202603/0 .

Phelps, Q., A. Lohmeyer, N. Wahl, J. Zeigler, G. Whitledge. 2009. Habitat characteristics of black crappie nest sites in an Illinois impoundment. North American Journal of Fisheries Management , 29/1: 189-195.

Pope, K., D. Willis. 1998. Larval black crappie distribution: Implications for sampling impoundments and natural lakes. North American Journal of Fisheries Management , 18/2: 470-474.

Reid Jr., G. 1950. Food of the black crappie Pomoxis nigro-maculatus (LeSueur), in Orange Lake, Florida. Transactions of the American Fisheries Society , 79/1: 145-154.

Rohde, F., R. Arndt, D. Lindquist, J. Parnell. 1994. Freshwater Fishes of the Carolinas, Virginia, Maryland, and Delaware . Chapel Hill: The University of North Carolina Press.

Ross, S. 2001. Inland Fishes of Mississippi . Singapore: Library of Congress.

Schramm Jr., H., J. Shireman, D. Hammond, D. Powell. 1985. Effect of commercial harvest of sport fish on the black crappie population in Lake Okeechobee, Florida. North American Journal of Fisheries Management , 5/2B: 217-226.

Trautman, M. 1981. The Fishes of Ohio . Ohio: Ohio State University Press and the Ohio Sea Grant Program Center for Lake Erie Area Research.