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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.

Environment: milieu / climate zone / depth range / distribution range Écologie

; eau douce; saumâtre démersal. Temperate; 41°N - 36°N

Distribution Pays | Zones FAO | Écosystèmes | Occurrences | Point map | Introductions | Faunafri

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.

Taille / Poids / Âge

Maturity: L_m ? range ? - ? cm
Max length : 15.0 cm TL mâle / non sexé; (Ref. 86798); âge max. reporté: 5 années (Ref. 72464)

Inhabits 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. Rarely enters brackish water (Ref. 86798). Viviparous, female carries the developing young (Ref. 205).

Life cycle and mating behavior Maturité | Reproduction | Frai | Œufs | Fécondité | Larves

Viviparous, female carries the developing young (Ref. 205).

Référence principale Upload your references | Références | Coordinateur | Collaborateurs

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)

Statut dans la liste rouge de l'IUCN (Ref. 130435: Version 2024-1)

Préoccupation mineure (LC) ; Date assessed: 17 February 2012

CITES

Not Evaluated

CMS (Ref. 116361)

Not Evaluated

Menace pour l'homme

Harmless

Utilisations par l'homme

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Estimates based on models

Phylogenetic diversity index (Ref. 82804): PD₅₀ = 1.0000 [Uniqueness, from 0.5 = low to 2.0 = high].

Bayesian length-weight: a=0.01905 (0.00827 - 0.04391), b=2.97 (2.77 - 3.17), in cm total length, based on LWR estimates for this (Sub)family-body shape (Ref. 93245).

Niveau trophique (Ref. 69278): 3.3 ±0.5 se; based on size and trophs of closest relatives

Résilience (Ref. 120179): Haut, temps minimum de doublement de population inférieur à 15 mois (Preliminary K or Fecundity.).

Fishing Vulnerability (Ref. 59153): Low vulnerability (10 of 100).

Hysterocarpus traskii Gibbons, 1854