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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:Named after the naturalist Thomas Say (Ref. 10294). Eponymy: Thomas Say (1787–1834) was a self-taught American naturalist whose primary interest was entomology. [...] (Ref. 128868), visit book page.
Lingkungan: lingkungan / zona iklim / kisaran kedalaman / jangkauan distribusi Ekologi
; air tawar dasar (demersal); nir-ruaya (Ref. 126106). Temperate; 5°C - 26°C (Ref. 12468); 46°N - 28°N
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.
Ukuran / Berat / umur
Kematangan: Lm? range ? - ? cm Max length : 14.0 cm TL jantan/; (Ref. 5723); common length : 10.4 cm TL jantan/; (Ref. 12193); Umur maksimum dilaporkan: 4 Tahun (Ref. 12193)
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. They 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).
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 IUCN Red List (Ref. 130435: Version 2025-2 (Global))
Indeks keanekaragaman filogenetik (Acuan 82804): PD50 = 0.7502 [Uniqueness, from 0.5 = low to 2.0 = high].
Bayesian length-weight: a=0.00447 (0.00169 - 0.01184), b=3.11 (2.88 - 3.34), in cm total length, based on LWR estimates for this (Sub)family-body shape (Ref. 93245).
Tingkat Trofik (Acuan 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.
Daya lenting (Acuan 120179): sedang, Waktu penggandaan populasi minimum 1.4 - 4.4 tahun (tmax=4; K=0.6).
Kerentanan Penangkapan Ikan (Ref. 59153): Low vulnerability (21 of 100). 🛈
