Results 91 to 100 of about 32,572 (272)

Larval development of the Mexican Snook, Centropomus poeyi (Teleostei: Centropomidae)

open access: yesNeotropical Ichthyology, 2018
We document for the first time the early ontogeny of Centropomus poeyi based on captive raised material representing 0-19 days posthatch (dph). The achievement of early developmental landmarks (i.e., yolk-sac depletion, flexion, development of fins) and ...
Kole M. Kubicek   +5 more
doaj   +1 more source

Impoundment Effects on Water Quality as Reflected in Parasitism of Reservoir Basses [PDF]

open access: yes, 1971
Our aquatic environments are rapidly becoming useless as natural resources through pollution from various sources. It is therefore necessary for us to further understand the various means which relate to this process.
Becker, David A.
core   +2 more sources

Parasites Are Paramount: Vertical Trophic Positions of Parasitic Catfishes in a Tropical River Food Web

open access: yesEcology of Freshwater Fish, Volume 34, Issue 4, October 2025.
ABSTRACT The Neotropical catfish family Trichomycteridae contains parasitic fishes that include scale and mucus feeders (subfamily Stegophilinae) and blood feeders (i.e., ‘candirus’, subfamily Vandelliinae). The influence of parasitic catfishes on food web dynamics is unknown.
Carmen G. Montaña   +7 more
wiley   +1 more source

The Barrelfish Hyperoglyphe perciformis, a centrolophid fish new to the Norwegian fauna

open access: yesFauna Norvegica, 1983
A specimen of Hyperoglyphe perciformis (Centrolophidae, Perciformes) was taken in a gill net at 4 m depth in the inner Oslofjord (i.e. Holmenfjord, Asker district), SE Norway on 27 July 1983.
Per Pethon
doaj   +1 more source

Fish guild structure along longitudinally determined ecological zonation of Teesta, an Eastern Himalayan River in West Bengal, India [PDF]

open access: yes, 2013
The Eastern Himalaya Biodiversity Hotspot contains exceptional freshwater biodiversity and ecosystems that are of vital importance to local and regional livelihoods, but these are under threat from the developmental and anthropogenic pressures arising ...
Chakrabarty, M., Homechaudhuri, S.
core   +1 more source

Chemical Characteristics and Allergenicity Alterations Induced by Heating in Mackerel Tuna (Euthynnus affinis) Powder Production [PDF]

open access: yesJournal of Food Quality and Hazards Control
Background: Parvalbumin, the main allergen in mackerel tuna (Euthynnus affinis), is present in higher concentrations in white meat relative to red. Parvalbumin reduction can be achieved through heating methods such as pressure heating (autoclaving) and ...
Z. Khaerani   +3 more
doaj  

Cytotaxonomic and evolutionary considerations about karyotipic data of fishes from the Iguaçu River Basin in South of Brazil

open access: yesBrazilian Archives of Biology and Technology, 2007
The cytogenetic data available in the literature about the ichthyofauna of the Iguaçu River basin were analyzed in this review. The ichthyofauna was characterized by the high level of endemism and by the low diversity of species.
Daniel Luis Zanella Kantek   +4 more
doaj   +1 more source

Intercolony Comparison of Diets of Western Gulls in Central California [PDF]

open access: yes, 2016
As human populations expand, they force free-ranging animals to adapt to an increasingly urban environment, resulting in changes in diets, reproductive success, and mortality.
Cassell, Anne L.
core   +1 more source

Genetic barcoding and preliminary phylogenetic analysis of Serranidae species from Maltese coastal waters, with a perspective on their Mediterranean phylogeography [PDF]

open access: yes, 2016
Ten species of the Serranidae Family sampled from the Mediterranean, including two non- native species, were identified using molecular genetic tools. Two mitochondrial genes, cytochrome c oxidase subunit I (COI) and Cytochrome b (Cyt b) genes were ...
Vella, Adriana, Vella, Noel
core   +2 more sources

Philometra dissimilis n. sp. from the ovary of Johnius belangerii (Sciaenidae) and other new records of philometrids (Nematoda: Philometridae) from fishes of the Bay of Bengal, India

open access: yesHelminthologia, 2016
Based on light and scanning electron microscopical studies, a new gonad-infecting species of Philometra Costa, 1845, P. dissimilis n. sp. (Nematoda: Philometridae), is described from the marine fish (Belanger’s croaker) Johnius belangerii (Cuvier ...
Moravec F., Manoharan J.
doaj   +1 more source

Home - About - Disclaimer - Privacy