Use of sand wave habitats by silver hake
Journal of Fish Biology
By: P.J. Auster, J. Lindholm, S. Schaub, G. Funnell, L.S. Kaufman, and P. C. Valentine
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Abstract
Silver hake Merluccius bilinearis are common members of fish communities in sand wave habitats on Georges Bank and on Stellwagen Bank in the Gulf of Maine. Observations of fish size v. sand wave period showed that silver hake are not randomly distributed within sand wave landscapes. Regression analyses showed a significant positive relationship between sand wave period and fish length. Correlation coefficients, however, were low, suggesting other interactions with sand wave morphology, the range of current velocities, and available prey may also influence their distribution. Direct contact with sand wave habitats varied over diel periods, with more fish resting on the seafloor during daytime than at night. Social foraging, in the form of polarized groups of fish swimming in linear formations during crepuscular and daytime periods, was also observed. Sand wave habitats may provide shelter from current flows and mediate fish-prey interactions. ?? 2003 The Fisheries Society of the British Isles.
Study Area
| Publication type | Article |
|---|---|
| Publication Subtype | Journal Article |
| Title | Use of sand wave habitats by silver hake |
| Series title | Journal of Fish Biology |
| DOI | 10.1046/j.1095-8649.2003.00016.x |
| Volume | 62 |
| Issue | 1 |
| Year Published | 2003 |
| Language | English |
| Contributing office(s) | Woods Hole Coastal and Marine Science Center |
| Description | 10 p. |
| Larger Work Type | Article |
| Larger Work Subtype | Journal Article |
| Larger Work Title | Journal of Fish Biology |
| First page | 143 |
| Last page | 152 |
| Country | United States |
| Other Geospatial | Gulf of Maine |
| Google Analytic Metrics | Metrics page |