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Ovalentaria/misc (Various families in series Ovalentaria) >
Embiotocidae (Surfperches)
Etymology: Hysterocarpus: Greek, hysteros = later + Greek,karpos = fruit (Ref. 45335).
Eponymy: John Boadman Trask (1824–1879) was a physician, amateur geologist, and founding member (1853) of the California Academy of Sciences, who was a friend of the author (who was also a founding member). [...] (Ref. 128868), visit book page.
Ambiente: milieu / zona climatica / distribuzione batimetrica / gamma di distribuzione
Ecologia
; acqua dolce; salmastro demersale. Temperate; 41°N - 36°N
North America: Clear Lake; Russian, Sacramento-San Joaquin, and Pajaro-Salinas River drainages in California, USA. Three subspecies were recognized: Hysterocarpus traskii lagunae in Clear Lake; Hysterocarpus traskii pomo in Russian River; and Hysterocarpus traskii traskii in rest of range.
Dimensione / Peso / Età
Maturità: Lm ?  range ? - ? cm
Max length : 15.0 cm TL maschio/sesso non determinato; (Ref. 86798); Età massima riportata: 5 anni (Ref. 72464)
Adults inhabit mud- to gravel-bottomed pools and runs of small to large, low-elevation rivers and lakes. Usually occurs near emergent aquatic plants or overhanging banks. They rarely enter brackish water (Ref. 86798). Viviparous, female carries the developing young (Ref. 205). Migratory behaviour is undetermined (Ref. 126106).
Ciclo vitale e comportamento di accoppiamento
Maturità | Riproduzione | Deposizione | Uova | Fecondità | Larve
Viviparous, female carries the developing young (Ref. 205).
Page, L.M. and B.M. Burr, 2011. A field guide to freshwater fishes of North America north of Mexico. Boston : Houghton Mifflin Harcourt, 663p. (Ref. 86798)
Stato della Lista Rossa IUCN (Ref. 130435: Version 2025-2 (Global))
Minaccia per l'uomo
Harmless
Usi umani
Strumenti
Rapporti speciali
Scarica XML
Fonti Internet
Stime basate su modelli
Indice di diversità filogenetica (Fonte Biblio. 82804) |
PD50 = 1.0000 [Uniqueness, from 0.5 = low to 2.0 = high]. |
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Bayesian length-weight
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a=0.01950 (0.00850 - 0.04473), b=2.97 (2.77 - 3.17), in cm total length, based on LWR estimates for this (Sub)family-body shape (Ref. 93245). |
Livello trofico (Fonte Biblio. 69278) |
3.3 ±0.5 se; based on size and trophs of closest relatives |
Resilienza (Fonte Biblio. 120179) |
Medio, tempo minimo di raddoppiamento della popolazione 1.4 - 4.4 anni (tmax=5;). |
Vulnerabilità della pesca (Ref. 59153) |
Low vulnerability (24 of 100). 🛈 |