Results 111 to 120 of about 43,736 (288)

Guppies, evolution, and environments

, 2020
Answers broad questions about imperfections in the biology of organisms and how fitness is achieved differently based on environmental ...
openaire   +1 more source

First attempt at using a synthetic diet in short‐lived killifish, a vertebrate model of ageing

Journal of Fish Biology, EarlyView.
Abstract Diet standardization of model organisms is crucial for experimental consistency and repeatability in laboratory research, yet laboratory fish often lack species‐specific, open‐formula standardized diets. This study aims to address this gap by testing the effect of macronutrient content on the performance of Nothobranchius furzeri, an ...
Jakub Žák, Milan Vrtílek
wiley   +1 more source

Morphological and functional maturity of the oral jaws covary with offspring size in Trinidadian guppies

Scientific Reports, 2017
Large size of individual offspring is routinely selected for in highly competitive environments, such as in low-predation populations of the Trinidadian guppy (Poecilia reticulata).
T. R. Dial, L. P. Hernandez, E. L. Brainerd   +2 more
doaj   +1 more source

The Telehealth Skills, Training, and Implementation Project: An evaluation protocol [PDF]

, 2015
External stabilization is reported to improve reliability of hand held dynamometry, yet this has not been tested in burns. We aimed to assess the reliability of dynamometry using an external system of stabilization in people with moderate burn injury and
Barnett, Stephen, Bonney, Andrew, Eastland, Elisabeth, Gill, Gerard, Guppy, Michelle, Hespe, Charlotte, Hudson, Judith Nicky, Iverson, Don, Knight-Billing, Patricia, Moscova, Michelle, Mullan, Judy, Pond, Dimity, Saffioti, Daniel, Weston, Kathryn, Wilson, Ian   +14 more
core   +4 more sources

Nonapeptide cell size differs between male morphs of the West African cichlid, Pelvicachromis pulcher

Journal of Fish Biology, EarlyView.
Abstract Alternative male morphs are found in many species of fishes. These morphs often differ in suites of social behaviours, such as aggression and territoriality, associated with alternative reproductive tactics. Such consistent morph‐typical behavioural profiles suggest common differences in underlying neuroendocrine mechanisms.
Adam R. Reddon, Douglas R. Wylie, Peter L. Hurd   +2 more
wiley   +1 more source

Getting into hot water:sick guppies frequent warmer thermal conditions [PDF]

, 2016
Ectotherms depend on the environmental temperature for thermoregulation and exploit thermal regimes that optimise physiological functioning. They may also frequent warmer conditions to up-regulate their immune response against parasite infection and/or ...
Adesh Ramsubhag, AE Deacon, AJ Reeve, AJW Ward, Azad Mohammed, B Jonsson, B Schelkle, BW Webb, C Oosterhout van, CB Müller, Chris Williams, Cock van Oosterhout, D Atkinson, D Weetman, D Weetman, EL Richards, GC Kearn, GT Kolluru, I Barber, J Cable, J Cable, J Cable, J Cable, JB Covert, JC Pinheiro, Jo Cable, Joanna James, JP Scharsack, JR Rohr, KR Marine, LB Martin, LK Vaughn, M Kent, M Marcos-Lopez, ME Scott, ME Scott, Michael Reynolds, MJ Crawley, NW Pankhurst, PA Jansen, PD Harris, Ryan S. Mohammed, S Boltaña, SH Paull, SL Elliot, SW Griffiths, TA Bakke, TJ Bowden, V Macnab, WW Reynolds   +49 more
core   +2 more sources

Spectral sensitivity of guppy visual pigments reconstituted in vitro to resolve association of opsins with cone cell types.

Vision Research, 2016
The guppy (Poecilia reticulata) shows remarkable variation of photoreceptor cells in the retina, especially those sensitive to middle-to-long wavelengths of light.
S. Kawamura, S. Kasagi, Daisuke Kasai, Ayumi Tezuka, Ayako Shoji, A. Takahashi, H. Imai, M. Kawata   +7 more
semanticscholar   +1 more source

Size‐selective mortality evolutionarily alters collective behaviour in response to predation risk in a zebrafish (Danio rerio) harvest‐induced selection model

Journal of Fish Biology, EarlyView.
Abstract Intensive multigenerational size‐selective mortality has been found to alter collective properties like shoaling via evolutionary adaptations of individual‐level behavioural traits. For example, experimental populations of zebrafish (Danio rerio) experiencing intensive large size‐selective mortality over multiple generations developed less ...
Tamal Roy, Daniel João Costa Pereira de Faria, Robert Arlinghaus   +2 more
wiley   +1 more source

Bony fish genomes: Status and gaps

Journal of Fish Biology, EarlyView.
Abstract Bony fish constitute an exceptionally species‐rich group of aquatic vertebrates, comprising more than 95% of all living fish. The adaptive processes on the diversity of environments they inhabit make them a highly diverse group from taxonomic, morphological and evolutionary standpoints.
Noelia Pérez‐Pereira, Carmen Bouza, Paulino Martínez, Diego Robledo   +3 more
wiley   +1 more source

The Pet-Fish problem on the World-Wide Web

, 2010
We identify the presence of Pet-Fish problem situations and the corresponding Guppy effect of concept theory on the World-Wide Web. For this purpose, we introduce absolute weights for words expressing concepts and relative weights between words ...
Aerts, Diederik, Czachor, Marek, D'Hooghe, Bart, Sozzo, Sandro   +3 more
core