Classification / Names Nombres comunes | Sinónimos | Catalog of Fishes(Género, Especie) | ITIS | CoL | WoRMS | Cloffa

> Osmeriformes (Freshwater smelts) > Osmeridae (Smelts)
Etymology: Hypomesus: Greek, hypo = under + Greek,mesos = a half (Ref. 45335).

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

; agua dulce; salobre pelágico; anadromo (Ref. 51243). Temperate; 73°N - 38°N (Ref. 26213)

Distribución Países | Áreas FAO | Ecosistemas | Ocurrencias, apariciones | Point map | Introducciones | Faunafri

North America: Sacramento-San Joaquin Delta region in central California, USA.

Length at first maturity / Tamaño / Peso / Age

Maturity: L_m ?, range 6 - ? cm
Max length : 12.0 cm TL macho / no sexado; (Ref. 5723); common length : 6.3 cm TL macho / no sexado; (Ref. 12193); edad máxima reportada: 1.00 años (Ref. 12193)

Short description Claves de identificación | Morfología | Morfometría

Espinas dorsales (total) : 0; Radios blandos dorsales (total) : 9 - 11; Espinas anales: 0; Radios blandos anales: 16 - 20; Vértebra: 52 - 57. Vomer without posterior process; periphery of glossohyal bone with single row of conical teeth, central part toothless; pyloric caeca 4(2-5); base of adipose fin more than 20% of head length; eye large; adipose eyelid poorly developed.

Adults occur in open brackish and freshwater of large channels. Diet consists of zooplankton (Ref. 33312).

Life cycle and mating behavior Madurez | Reproducción | Puesta | Huevos | Fecundidad | Larva

Eggs are demersal (Ref. 33312).

Main reference Upload your references | Referencias | Coordinador | Colaboradores

Saruwatari, T., J.A. López and T.W. Pietsch, 1997. A revision of the ormerid genus Hypomesus Gill (Teleostei: Salmoniformes), with a description of a new species from the southern Kuril Islands. Species Diversity 2:59-82. (Ref. 33312)

IUCN Red List Status (Ref. 130435: Version 2024-1)

Critically Endangered (CR) (A2bce); Date assessed: 17 February 2012

CITES

Not Evaluated

CMS (Ref. 116361)

Not Evaluated

Threat to humans

Harmless

Human uses

FAO - Publication: search | FishSource |

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Trophic ecology
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Estimates based on models

Phylogenetic diversity index (Ref. 82804): PD₅₀ = 0.5313 [Uniqueness, from 0.5 = low to 2.0 = high].

Bayesian length-weight: a=0.00372 (0.00178 - 0.00775), b=3.17 (2.99 - 3.35), in cm total length, based on LWR estimates for this (Sub)family-body shape (Ref. 93245).

Nivel trófico (Ref. 69278): 3.2 ±0.1 se; based on diet studies.

Resiliencia (Ref. 120179): Alto, población duplicada en un tiempo mínimo inferior a 15 meses (tm=1; tmax=1).

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

Hypomesus transpacificus McAllister, 1963