Results 41 to 50 of about 19,069 (240)

The role of otolith size in hearing – Insights from cichlid fishes

open access: yesFrontiers in Marine Science, 2015
Otolithic end organs in fishes function as accelerometers and are involved in the senses of balance and hearing (e.g. Popper et al. 2005). Otolith mass and shape are likely decisive factors influencing otolith motion, but while it is largely unknown how ...
Tanja Schulz-Mirbach   +2 more
doaj   +1 more source

Description of large, well‐preserved Enchodus specimens from the Bearpaw Formation of Alberta, Canada

open access: yesThe Anatomical Record, EarlyView.
Abstract Fishes of the genus Enchodus were abundant and cosmopolitan in the Late Cretaceous, but are primarily known from isolated remains in Canada. Four well‐preserved fish skulls were recovered in recent years from ammolite mines sampling the Bearpaw Formation of Southern Alberta, and are here referred to Enchodus petrosus Cope, 1874.
Luke E. Nelson   +2 more
wiley   +1 more source

An investigation to determine origin: age and otolith chemistry of a brown bullhead catfish (Ameiurus nebulosus) found at Okawa Bay, Lake Rotoiti [PDF]

open access: yes, 2009
Some time between 10 and 15 January 2009, a brown bullhead catfish(Ameiurus nebulosus) was found washed up on the shore of Okawa Bay, Lake Rotoiti. The elemental signature of the otolith was measured using laser ablation inductively coupled plasma mass ...
Hicks, Brendan J., Blair, Jennifer Marie
core  

Otolith Shape Analysis and Otolith Morphometry of Bogue Boops boops (Linnaeus, 1758) in the Aegean Sea and the Marmara Sea

open access: yesÇanakkale Onsekiz Mart University Journal of Marine Sciences and Fisheries
In the present study, otolith shape indices and some otolith morphometric characteristics in the left and right sagittal otoliths were identified and compared for Boops boops in the Aegean Sea and the Marmara Sea.
Yusuf Şen   +4 more
doaj   +1 more source

An approach to unraveling the coexistence of snappers (Lutjanidae) using otolith morphology

open access: yesScientia Marina, 2014
The sagittae otolith morphology of marine fishes has been used in many ecomorphological studies to explain certain ecological adaptations of species to habitat. Our study compares the sagittal otolith shapes of ten species of snappers (Family Lutjanidae)
Zahra Sadighzadeh   +4 more
doaj   +1 more source

Reduced size of larvae and small fish linked to warming and reduced prey density

open access: yesEcography, EarlyView.
Body size is an integrative trait that has declined across many ecological assemblages in the last decades. Changes in body size of early life stages and small‐bodied fish are driven by complex interactions between size‐dependent mortality, and temperature‐ and food‐dependent growth, and can have consequences for recruitment to the adult stock and food
Max Lindmark   +6 more
wiley   +1 more source

An investigation of koi carp (Cyprinus carpio) movement in the Waikato region using laser ablation otolith microchemistry [PDF]

open access: yes, 2008
The koi carp Cyprinus carpio is an invasive fish that has reached high numbers and biomass in the North Island of New Zealand, particularly in the Waikato region. This species has a variety of negative effects on aquatic ecosystems, increasing turbidity,
Blair, Jennifer Marie
core  

The morphology of Sagittal otoliths of Psettodes erumei (Bloch and Schneider, 1801) in the north of the Persian Gulf and Oman Sea [PDF]

open access: yesبوم‌شناسی آبزیان, 2020
This study was conducted to investigate the morphologic and morphometric characteristics of sagittal otolith of Psettodes erumei in the north of the Persian Gulf and Oman Sea (Hormozgan Province).
Mehrnaz Ghanbarzadeh   +4 more
doaj  

Molecular Biomarkers in Meniere's Disease: A Scoping Review of Current Evidence

open access: yesOtolaryngology–Head and Neck Surgery, EarlyView.
Abstract Objective Meniere's disease is a complex chronic inner ear condition that is characterized by vertigo, tinnitus, aural fullness, and progressive hearing loss. Currently, diagnostic strategies remain symptom‐driven, and treatments focus on management of discrete episodes rather than targeting underlying pathophysiology.
Hamza Kamran   +3 more
wiley   +1 more source

The feasibility of using otolith microchemistry to trace movements of rainbow trout and common smelt in lakes Rotoiti and Rotorua [PDF]

open access: yes, 2007
Otolith microchemistry can be used to determine the natal origins of fish. Our feasibility study using single water samples has determined that the water chemistry around Lakes Rotorua and Rotoiti, have different elemental compositions warranting ...
Riceman, Matthew Sean, Hicks, Brendan J.
core  

Home - About - Disclaimer - Privacy