Aphredoderus sayanus, Pirate perch

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Aphredoderus sayanus (Gilliams, 1824)

Pirate perch
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> Percopsiformes (Trout-perches, pirate perches and cavefishes) > Aphredoderidae (Pirate perches)
Etymology: Aphredoderus: Greek, aphod = excrement + Greek, dere = throat, in reference to the unusual postion of the anus (Ref. 45335);  sayanus: From the Greek aphod=excrement, and dere=throat, from the position of the anus; sayanus, named after an entomologist, Thomas Say (Ref. 79012).

Environment: milieu / climate zone / depth range / distribution range 生態学

; 新鮮な水 底生の. Temperate; 5°C - 26°C (Ref. 12468); 46°N - 28°N

分布 国々 | 国連食糧農業機関の区域 | エコシステム | 事件 | Point map | 導入 | Faunafri

North America: Eastern and central United States. Previously, two subspecies were recognized by Boltz & Stauffer 1993 (Ref. 34807): Aphredoderus sayanus sayanus in Atlantic Coast drainages from New York to Georgia; and A. sayanus gibbosus in the Mississippi River, Great Lakes, and western Gulf Coast drainages, with intergrades in Gulf Coast and Atlantic Coast drainages between Mississippi and Georgia.

サイズ / 重さ / 年齢

Maturity: Lm ?  range ? - ? cm
Max length : 14.0 cm TL オス/雌雄の選別がない; (Ref. 5723); common length : 10.4 cm TL オス/雌雄の選別がない; (Ref. 12193); 最大記録サイズ: 4 年 (Ref. 12193)

生物学     用語集 (例 epibenthic)

Adults usually occur over mud in swamps, vegetated sloughs, ponds, lakes, backwaters, and quiet pools of creeks and small to large rivers (Ref 5723, 10294). Nocturnal feeders. Feed on aquatic insects, small crustaceans, and occasional small fish including their own young (Ref. 10294). Eggs in nests are guarded by both parents (Ref. 205).

Life cycle and mating behavior 成熟 | 繁殖 | 放精 | | 生産力 | 幼生

Eggs in nests are guarded by both parents (Ref. 205).

主な参考文献 Upload your references | 参考文献 | コーディネーター | 協力者

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のレッドリストの状況は (Ref. 130435)

  軽度懸念 (LC) ; Date assessed: 20 October 2011

CITES

Not Evaluated

CMS (Ref. 116361)

Not Evaluated

人間に対する脅威

  Harmless





Human uses

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シガテラ(食中毒の名前)
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Otoliths

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Estimates based on models

Phylogenetic diversity index (Ref. 82804):  PD50 = 1.5010   [Uniqueness, from 0.5 = low to 2.0 = high].
Bayesian length-weight: a=0.00447 (0.00170 - 0.01173), b=3.11 (2.88 - 3.34), in cm total length, based on LWR estimates for this (Sub)family-body shape (Ref. 93245).
栄養段階 (Ref. 69278):  3.1   ±0.39 se; based on food items.
Generation time: 1.6 ( na - na) years. Estimated as median ln(3)/K based on 2 growth studies.
回復力 (Ref. 120179):  手段, 1.4年~4.4年の倍増期間の最小個体群 (tmax=4; K=0.6).
Fishing Vulnerability (Ref. 59153):  Low vulnerability (21 of 100).