Results 21 to 30 of about 121 (92)

Observations on Food-organisms of a Teleost, Hypomesus olidus Pallas

open access: yesNIPPON SUISAN GAKKAISHI, 1935
Observations were made from August, 1933 to July, 1934 on the content of alimentary canal of a teleost, Hypomesus olidus, and plankton organisms living in its habitat, Lake Kasumigaura Pref. Ibaraki. The fish feeds mostly on such kinds of small animals as are found most abundantly in the lake.
openaire   +2 more sources

The Content of Ca in the Muscle of a Teleost, Hypomesus olidus, in Relation to its Environment

open access: yesNIPPON SUISAN GAKKAISHI, 1937
Of the two lakes, Hinuma and Kasumigaura, located close to the coast of the Ibaraki Prefecture, the former is much more subject to invasion of sea-water. The chemical analysis has shown (Table 2) that 0·922 mg. of Ca and 57·31 mg. af Cl are present on average in the water of Lake Hinuma, whereas 0·716 mg. of Ca and 2·178 mg. Cl are present in the water
USUI, Yohei   +2 more
openaire   +2 more sources

Видовой состав и структура сообщества рыб в прибрежной зоне северо-восточной части Татарского пролива (Японское море) в августе и октябре

open access: yesАмурский зоологический журнал
Рассмотрен видовой состав и структура сообщества рыб у северо-восточного побережья Татарского пролива (Японское море) на глубинах до 3 м по результатам обловов закидным и мальковым неводами в августе и октябре 2009 г.
Эльза Рудольфовна Ившина   +2 more
doaj   +1 more source

The Length–Weight Relationships of 17 Freshwater Fishes Inhabiting Bosten Lake, China

open access: yesJournal of Applied Ichthyology, Volume 2025, Issue 1, 2025.
Bosten Lake is an important inland freshwater lake in China, which is rich in fishery resources. However, due to various factors, its fishery resources have declined. The length–weight relationship (LWR) is of great significance for fish research and fishery management. This study was based on the samples of 17 freshwater fish species collected from 10
Zhengwei Wang   +8 more
wiley   +1 more source

Nonnative Fish Species across Different Trophic Levels Shape the Trophic Niches of Native Fish

open access: yesEcosystem Health and Sustainability
Nonnative fish threaten native species in river ecosystems, yet their effects on native trophic niches remain unclear. Here, using δ13C and δ15N stable isotope from fish and other aquatic organisms in Longyangxia Reservoir—a key regulatory reservoir in ...
Qiyong Luo   +6 more
doaj   +1 more source

Risk monitoring of stage Ⅲ Anisakis larvae in marine fish in five areas of Fujian Province

open access: yesZhongguo shipin weisheng zazhi
ObjectiveTo investigate the infection of stage Ⅲ Anisakis spp. larvae in marine fish in five areas of Fujian Province.MethodsMarine fish of different species were purchased from seafood markets from October 2021 to May 2022 and were directly dissected ...
GAO Lanlin   +3 more
doaj   +1 more source

On the Number of Ripe Ovarian Eggs of the Pond Smelt, Hypomesus olidus (Pallas)

open access: yesNIPPON SUISAN GAKKAISHI, 1948
The relation of the number of ripe ovarian eggs of the pond smelt (N) to the total length of body (L) and to the body weight (W) may be expressed by the formula N=aLb and N=a'Wb' respectively, where a, b, a', b' are constants specific to the kind of fish.
openaire   +2 more sources

Ecological Studies of the Pond Smelt, Hypomesus olidns (PALLAS)-II

open access: yesNIPPON SUISAN GAKKAISHI, 1953
The scale of pond smelt, Hypomesus olidus (PALLAS), shows no definite annual-ring in such a manner as the scale of salmon or herring. Two different zones, one of which grows in summer and the other in winter, are recognized on the scale of the fish in Lake Kasumigaura by F. MATSUZAKI (1916), while, according to H.
openaire   +4 more sources

Influence of Temperature on the Embryonic Development of the Pond Smelt, Hypomesus olidus PALLAS

open access: yesNIPPON SUISAN GAKKAISHI, 1937
Four days after the artificial fertilization eggs of the pond smelt, Hypomesus olidus PALLAS, were puttin 20 rials with water. Two of them were then placed in each of 10 compartments (Nos. 1-10) of a SENO-TAUTI'S serial incubator. They ran at temperatures differing from each other by nearly 1•5 degrees, No. 1 at the highest (19•9C) and No.
openaire   +2 more sources

Non-native fish of the Upper Irtysh and the Ulungur Rivers in China. [PDF]

open access: yesBiodivers Data J, 2023
Tian C   +7 more
europepmc   +1 more source

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