Fish Energetics: New Perspectives

10.2307/4441 ◽  
1986 ◽  
Vol 55 (3) ◽  
pp. 1136
Author(s):  
R. H. K. Mann ◽  
Peter Tytler ◽  
Peter Calow
Keyword(s):  
Fish Energetics

scholarly journals Integrating lipid storage into general representations of fish energetics

2017 ◽  
Vol 86 (4) ◽  
pp. 812-825 ◽  
Author(s):  
Benjamin T. Martin ◽  
Ron Heintz ◽  
Eric M. Danner ◽  
Roger M. Nisbet
Keyword(s):  
Lipid Storage ◽  
Fish Energetics

Measurements of Growth and Consumption of Sauger (Stizostedion canadense): Implication for Fish Energetics Studies

1982 ◽  
Vol 39 (10) ◽  
pp. 1396-1403 ◽  
Author(s):  
Joseph W. Minton ◽  
Richard B. McLean
Keyword(s):  
Energy Equation ◽  
Specific Dynamic Action ◽  
Metabolic Efficiency ◽  
High Food ◽  
Age Classes ◽  
Energetic Costs ◽  
Stizostedion Canadense ◽  
Energy Stores ◽  
Fish Energetics ◽  
Body Energy

The energy budget of sauger (Stizostedion canadense), in Watts Bar Reservoir, Tennessee, was studied over a 17-mo period. Field determinations of consumption and laboratory determinations of metabolism were incorporated into the balanced energy equation of Winberg to predict growth in energy value of sauger in age-classes I+ and II+. The equation included energetic costs of specific dynamic action and the metabolic efficiency penalty of metabolizing body energy stores. Observed and predicted growth during the warm months, March through October, agreed within 2.5–9.6% for the I+ and II+ age-classes, respectively. Observed and predicted growth over the winter for the only age-class modeled, the I+, did not agree. High food consumption during winter did not result in the amount of growth expected, suggesting that the physiological assumptions of the balanced energy equation are invalid for describing the winter energetics of sauger. We emphasize the potential error in inferring consumption from growth and metabolism.Key words: sauger, Stizostedion, bioenergetics, feeding, growth, modeling

Simulated instream restoration structures offer smallmouth bass (Micropterus dolomieu) swimming and energetic advantages at high flow velocities

2021 ◽  
Vol 78 (1) ◽  
pp. 40-56
Author(s):  
Katherine K. Strailey ◽  
Ryan T. Osborn ◽  
Rafael O. Tinoco ◽  
Piotr Cienciala ◽  
Bruce L. Rhoads ◽  
...  
Keyword(s):  
Energy Expenditure ◽  
Fish Habitat ◽  
Smallmouth Bass ◽  
High Flow ◽  
Micropterus Dolomieu ◽  
Flow Conditions ◽  
Restoration Practices ◽  
Fish Energetics ◽  
Habitat Enhancement ◽  
Flow Velocities

Restoration practices aimed at fish habitat enhancement often include installation of instream structures. However, mixed outcomes have been reported regarding structure effectiveness, while mechanisms underlying success remain unclear. The interactions between fish and flow conditions generated by instream structures and their subsequent impact on fish energetics may provide some insight. This study seeks to quantify how restoration structures, simulated by cylinders in three orientations, alter the energetics and swimming stability of smallmouth bass (Micropterus dolomieu). Accelerometers measured swimming stability while a respirometer measured energy expenditure at multiple velocities. Particle image velocimetry was used to characterize flow fields behind structures. Structures generated flow conditions that benefited fish energetically. Fish had a smoother gait and expended less energy when swimming near a structure, regardless of its orientation. Benefits varied with flow conditions; reductions in energy expenditure were especially apparent at high flow velocities. Results suggest that restoration structures may be most energetically beneficial in stream systems with consistently high velocities and inform restoration by indicating flow conditions in which structures provide the greatest energetic benefits for fish.

Fish energetics: New perspectives

Aquaculture ◽  
1986 ◽  
Vol 54 (3) ◽  
pp. 241-242
Author(s):  
Ossi V. Lindqvist
Keyword(s):  
Fish Energetics

A Bioenergetics-Based Model for Pollutant Accumulation by Fish. Simulation of PCB and Methylmercury Residue Levels in Ottawa River Yellow Perch (Perca flavescens)

1976 ◽  
Vol 33 (2) ◽  
pp. 248-267 ◽  
Author(s):  
R. J. Norstrom ◽  
A. E. McKinnon ◽  
A. S. W. deFreitas
Keyword(s):  
Body Weight ◽  
Metabolic Rate ◽  
Chronic Exposure ◽  
Yellow Perch ◽  
Perca Flavescens ◽  
Assimilation Efficiency ◽  
Ottawa River ◽  
Residue Levels ◽  
Fish Energetics ◽  
Caloric Requirements

A pollutant accumulation model is developed which successfully predicts concentrations of PCBs and methylmercury in tissues of yellow perch (Perca flavescens) from the Ottawa River, Canada. The model is based on pollutant biokinetics coupled to fish energetics. The expression for metabolic rate includes a growth dependent term for estimating the contribution to metabolism of seasonal and annual growth in each age-class. Uptake of pollutant from food is based on caloric requirements for respiration and growth coupled to concentration of pollutant in food and its assimilation efficiency from the diet. Uptake of pollutant from water is based on flow of water past the gills for respiration coupled with concentration of pollutant in water and the efficiency of its assimilation by gills. Pollutant clearance is related to body weight raised to the power of −.58, but is independent of metabolic rate. Under steady state conditions of chronic exposure, the predicted ratio of uptake to clearance is roughly constant at all weights, and the slope of a curve of log pollutant concentration in tissues vs. log body weight can be used to establish the exponent of body weight for clearance.

A review of radio and acoustic telemetry studies of freshwater fish in New Zealand

2009 ◽  
Vol 60 (4) ◽  
pp. 321 ◽  
Author(s):  
Don Jellyman
Keyword(s):  
New Zealand ◽  
Freshwater Fish ◽  
Acoustic Telemetry ◽  
Native Species ◽  
Salmo Trutta ◽  
Oncorhynchus Tshawytscha ◽  
Home Ranges ◽  
Catch And Release ◽  
Anguilla Australis ◽  
Fish Energetics

Radio and acoustic telemetry have been used in 24 studies of freshwater fish in New Zealand. Although most native species are too small to carry these tags, studies using telemetry have been carried out on four of the larger species, i.e. lampreys (Geotria australis), shortfin and longfin eels (Anguilla australis and A. dieffenbachii) and giant kokopu (Galaxias argenteus). Among the introduced species, telemetry has been used to study movements of brown and rainbow trout (Salmo trutta and Oncorhynchus mykiss) in both rivers and lakes, chinook salmon (Oncorhynchus tshawytscha), koi carp (Cyprinus carpio) and bullhead catfish (Ameiurus nebulosus). To date, studies have almost exclusively been of short-term movements and seasonal migrations. Study objectives range from measuring microhabitats and home ranges to determining the extent of seasonal spawning migrations. The advent of progressively smaller tags will provide increased opportunities to use this technology on a wider range of fish species. Management implications of several studies are presented. Although biotelemetry studies have not yet been used in New Zealand, there are considerable opportunities for using such technology to increase understanding of fish energetics and also stress associated with catch-and-release practices in recreational fishing.

Fish Energetics: New Perspectives

Copeia ◽  
1986 ◽  
Vol 1986 (3) ◽  
pp. 845 ◽  
Author(s):  
Randal K. Buddington ◽  
Peter Tytler ◽  
Peter Calow
Keyword(s):  
Fish Energetics
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