Results 81 to 90 of about 10,589 (199)

The growth characteristics of sparid otoliths [PDF]

open access: yes, 1992
The periodicity of formation of growth increments in the otoliths of South African sparids was validated by the oxytetracycline labelling technique. Intramuscular injections of oxytetracycline at a dosage of 250mg/kg marked the otoliths of laboratory ...
Lang, Judy Brenda
core   +1 more source

Embryonic and larval development of the endangered Chiapas killifish Tlaloc hildebrandi (Cyprinodontiformes: Profundulidae)

open access: yesJournal of Fish Biology, EarlyView.
Abstract The early ontogeny of endemic freshwater fishes provides essential baseline biological information for conservation and management, particularly in species with restricted distributions and high vulnerability to habitat degradation, environmental change and population decline. This study presents the first detailed description of embryonic and
Rubén Alonso Contreras‐Tapia   +6 more
wiley   +1 more source

Strontium speciation in archaeological otoliths

open access: yes, 2016
International audienceFish otoliths (“ear stones”) are major environmental indicators used in ecology and fisheries sciences. Otoliths consist of a biomineral material containing an organically-templated mineral calcium carbonate, normally aragonite, in ...
Cook, Phil,   +6 more
core   +1 more source

Otoliths of the Gobiidae from the Neogene of tropical America

open access: yesSwiss Journal of Palaeontology
Otoliths are common and diverse in the Neogene of tropical America. Following previous studies of Neogene tropical American otoliths of the lanternfishes (Myctophidae), marine catfishes (Ariidae), croakers (Sciaenidae), and cusk-eels (Ophidiiformes), we ...
Werner W. Schwarzhans   +1 more
doaj   +1 more source

Age, growth and sexual dimorphism of the monkeyface prickleback (Cebidichthys violaceus)

open access: yesJournal of Fish Biology, EarlyView.
Abstract Accurate estimates of age, growth and maturation are fundamental to fisheries assessment, conservation and the development of emerging aquaculture species. However, life‐history parameters can vary within species and may be influenced by factors such as sexual dimorphism, which is often poorly quantified in non‐commercial or understudied ...
Kevin D. Hinterman   +3 more
wiley   +1 more source

Reassembling broken otoliths for population discrimination

open access: yes, 2013
No abstracts are to be cited without prior reference to the author. Twenty five Atlantic cod Gadus morhua otoliths were examined using eight shape measurements along with Fourier analysis of their outlines to test whether discrimination using otolith ...
Hlynur Bárðarson (4540519)   +3 more
core   +1 more source

The effects of playbacks of anthropogenic noise on the anti‐predator behaviour of Pacific sand lance, Ammodytes personatus

open access: yesJournal of Fish Biology, EarlyView.
Abstract Noise from human activities has increased and been shown to negatively impact marine animals. Marine mammals and fish are vulnerable to anthropogenic noise because they rely on sound to communicate, find food, avoid predators and sense their environment. Forage fish are small schooling pelagic fish, important to many predators and instrumental
Meredith A. V. White   +8 more
wiley   +1 more source

Adaptation to extreme environments: A review of Antarctic fish physiology

open access: yesJournal of Fish Biology, EarlyView.
Abstract Having evolved in the chronically cold and thermally stable waters of the Southern Ocean (SO) for millions of years, Antarctic fish possess a suite of physiological specializations that enable them to survive at temperatures near the freezing point of seawater. Adaptations include the evolution of antifreeze proteins, modifications of membrane
Seungyeon Lee   +8 more
wiley   +1 more source

Sex‐dependent divergence in river use following maturation in Japanese seabass Lateolabrax japonicus revealed by otolith Sr:Ca chronologies

open access: yesJournal of Fish Biology, EarlyView.
Abstract Partial migration, in which migratory and resident individuals coexist within a population, is widespread in fishes and contributes to population resilience. However, the role of sex in shaping migratory strategies remains poorly understood. Herein, we examined partial migration in Japanese seabass Lateolabrax japonicus using sex ratios and ...
Yoh Yamashita   +13 more
wiley   +1 more source

On otoliths sampling [PDF]

open access: yes, 2011
9 páginas, 4 figuras.-- Scientific Council MeetingThe best strategy for otoliths sampling and its optimum sample size were tested by Monte Carlo simulation. Every option was judged by its effects on VPA results.
Mandado, Mónica   +1 more
core   +1 more source

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