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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
Οικολογία
; Γλυκού νερού βενθικό(ς). 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.
Μέγεθος / Βάρος / Age
Maturity: Lm ? range ? - ? cm
Max length : 53.0 cm TL αρσενικό/απροσδιόριστο; (Ref. 5723); common length : 25.0 cm TL αρσενικό/απροσδιόριστο; (Ref. 12193); μεγ. δημοσιευμένο βάρος: 2.4 kg (Ref. 4699); μεγ. αναφερόμενη ηλικία: 10 έτη (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).
Life cycle and mating behavior
Maturities | Αναπαραγωγή | Spawnings | Egg(s) | Fecundities | Προνύμφες
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)
IUCN Red List Status (Ref. 130435)
Threat to humans
Harmless
Human uses
αλιεία αναψυχής: ναί
Εργαλεία
Special reports
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Διαδικτυακές πηγές
Estimates based on models
Phylogenetic diversity index (Ref.
82804): PD
50 = 0.7500 [Uniqueness, from 0.5 = low to 2.0 = high].
Bayesian length-weight: a=0.01023 (0.00873 - 0.01199), b=3.09 (3.04 - 3.14), in cm total length, based on LWR estimates for this species (Ref.
93245).
Τροφικό Επίπεδο (Ref.
69278): 4.4 ±0.6 se; based on diet studies.
Ελαστικότητα (Ref.
120179): Μεσαίο(α), ελάχιστος χρόνος για διπλασιασμό πληθυσμού 1,4 - 4,4 έτη (Assuming tm=2-4; Fec up to 140,000).
Fishing Vulnerability (Ref.
59153): Moderate vulnerability (41 of 100).
