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Centrarchiformes (Basses) >
Centrarchidae (Sunfishes)
Etymology: Pomoxis: Greek, poma, -atos = cover, operculum + Greek, oxys = sharp (Ref. 45335); annularis: annularis--having rings, referring to the bars on the body (Ref. 10294).
More on author: Rafinesque.
Environment: milieu / climate zone / depth range / distribution range
Ecologie
; zoet water demersaal. Temperate; ? - 31°C (Ref. 12741); 40°N - 35°N
North America: Great Lakes, Hudson Bay and Mississippi River basins from New York, USA and from Ontario, Canada west to Minnesota and South Dakota and south to the Gulf of Mexico in the USA; Gulf drainages from Mobile Bay in Georgia and Alabama to Nueces River in Texas, USA.
Grootte / Gewicht / Leeftijd
Maturity: Lm ? range ? - ? cm
Max length : 53.0 cm TL mannelijk / geslacht onbekend; (Ref. 5723); common length : 25.0 cm TL mannelijk / geslacht onbekend; (Ref. 12193); max. gepubliceerd gewicht: 2.4 kg (Ref. 4699); max. gerapporteerde leeftijd: 10 Jaren (Ref. 12193)
Occurs in sand-bottomed and mud-bottomed pools and backwaters of creeks and small to large rivers, and lakes and ponds. Often found in turbid water (Ref. 5723, 10294). Adult feeds on forage fishes such as shad (Ref. 10294). Younger crappie consumes small invertebrates, including microcrustaceans and small insects (Ref. 10294).
Levenscyclus en paargedrag
Maturiteit | Voortplanting | Paaien | Eieren | Fecunditeit | Larven
Deposits eggs in a variety of aquatic plants.
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. (Ref. 5723)
Status op de Rode Lijst van het IUCN (Ref. 130435: Version 2024-1)
Gevaar voor de mens
Harmless
Gebruik door de mens
Visserij: visserij voor eigen gebruik; sportvis: ja
Tools
Speciale rapporten
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Internetbronnen
Estimates based on models
Fylogenetische diversiteitsindex (Ref.
82804): PD
50 = 0.7500 [Uniqueness, from 0.5 = low to 2.0 = high].
Bayesian length-weight: a=0.01023 (0.00876 - 0.01195), b=3.08 (3.03 - 3.13), in cm total length, based on LWR estimates for this species (Ref.
93245).
Trofisch niveau (Ref.
69278): 4.4 ±0.6 se; based on diet studies.
Weerstandsvermogen (Ref.
120179): Gemiddeld, minimale populatieverdubbelingstijd 1,4-4,4 jaar (Assuming tm=2-4; Fec up to 140,000).
Fishing Vulnerability (Ref.
59153): Moderate vulnerability (41 of 100).
