Results 71 to 80 of about 1,685 (198)

Growth of different year classes of smelt Osmerus eperlanus L. in Lake Tyrifjorden, Norway

open access: yesFauna Norvegica, 1982
Smelt Osmerus eperlanus L. were collected during spawning run in May in Lake Tyrifjorden in southern Norway. Age determination was carried out by otoliths. Fish length (Y) and otolith radius (X) were correlated (r = 0.954).
Erik Garnås
doaj  

A novel sperm adaptation to evolutionary constraints on reproduction: Pre‐ejaculatory sperm activation in the beach spawning capelin (Osmeridae)

open access: yesEcology and Evolution, 2018
Reproduction of external fertilizing vertebrates is typically constrained to either fresh or salt water, not both. For all studied amphibians and fishes, this constraint includes immotile sperm that are activated after ejaculation only by the specific ...
José Beirão   +3 more
doaj   +1 more source

What to Expect After a Commercial Fishery Ban? Long Term Fish Size and Biomass Trends in Two Productive Water Bodies With Contrasting Management Regimes

open access: yesAquatic Conservation: Marine and Freshwater Ecosystems, Volume 36, Issue 2, February 2026.
ABSTRACT Commercial fishing is often assumed to have greater impacts than recreational fishing, and many fisheries assessments overlook the latter. Yet, numerous coastal and freshwater fish populations are subject to both fishing types and environmental pressures, all influencing biomass, body size and community structure and making management outcomes
Eglė Jakubavičiūtė   +3 more
wiley   +1 more source

Nachträgliche Bemerkung über die Mikropyle von Osmerus eperlanus

open access: yes
NACHTRÄGLICHE BEMERKUNG ÜBER DIE MIKROPYLE VON OSMERUS EPERLANUS Archiv für Anatomie, Physiologie und wissenschaftliche Medicin (-) Archiv für Anatomie, Physiologie und wissenschaftliche Medicin (-) Nachträgliche Bemerkung über die ...
Buchholz, Reinhold
core   +2 more sources

Factors Affecting Spawning Site Selection and Hatching in Anadromous Rainbow Smelt (Osmerus mordax, Mitchill)

open access: yes, 1974
Physical factors which might influence spawning site selection and hatching success in anadromous rainbow smelt (Osmerus mordax) were investigated. Water depth, water velocity, distance upstream, stream temperature, tide height, and estimated spawning ...
Hulbert, P J
core   +3 more sources

Coastal fishes in the northwestern Okhotsk Sea (westward from 147o E): fishery and prospects of its development

open access: yesИзвестия ТИНРО, 2020
Fishery at the northwestern Okhotsk Sea coast is analyzed for the period from 2000 to 2019. Pacific herring, saffron cod, pacific cod, capelin, flounders (Limanda aspera, Pleuronectes quadrituberculatus and Platichthys stellatus), and smelts (Hypomesus ...
V. P. Ovsyannikov
doaj   +1 more source

Characterization of salmon‐foraging harbor seals (Phoca vitulina) in the Erimo region, Hokkaido, Japan, using finite mixture models

open access: yesThe Journal of Wildlife Management, Volume 90, Issue 2, February 2026.
Finite mixture models revealed that older, larger harbor seals specialize in salmon predation at setnets in Hokkaido, Japan, suggesting targeted management strategies focusing on these specialist individuals could effectively reduce fishery conflicts while protecting the broader seal population.
Takahito Masubuchi, Mari Kobayashi
wiley   +1 more source

Pleistocene fishes (Coregonus, Osmerus, Microgadus, Gasterosteus) from Green Creek, Ontario, Canada

open access: yes, 1981
Specimens of Coregonus cf. artedii and Microgadus tomcod are reported for the first time from calcareous nodules at Green Creek. The occurrence of Osmerus mordax and fully plated Gasterosteus aculeatus in these nodules is confirmed.
Don E. McAllister   +2 more
core   +1 more source

Wild and Naturalized Hatchery Brown Trout: A Comparison of Movement, Space Use, and Survival in a Large Lake

open access: yesFisheries Management and Ecology, Volume 33, Issue 1, Page 14-23, February 2026.
ABSTRACT Most research comparing wild and hatchery‐produced fish focuses on recently stocked individuals. As a result, these studies only investigate the behavior of naive hatchery fish, leaving a knowledge gap regarding long‐term survivors. We compared the movement, space use, and survival of wild and hatchery‐reared brown trout (Salmo trutta) that ...
Daniel Palm   +6 more
wiley   +1 more source

The smelt Osmerus eperlanus in Scotland

open access: yes, 1996
Smelt populations have been recorded since the 18th Century from at least 15 rivers in Scotland, but over the last Century the species has suffered a severe decline and has disappeared from all its former sites except the rivers Cree, Forth and Tay. These populations must now be regarded as having high conservation importance.
Maitland, Peter, Lyle, Alex
openaire   +2 more sources

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