Diel periodicity of drift of larval fishes in tributaries of Lake Ontario
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Abstract
Diel patterns of downstream drift were examined during mid-June in three tributaries of Lake Ontario. Larval fishes were collected in drift nets that were set in each stream for 72 consecutive hours and emptied at 4-h intervals. Fantail darter (Ethostoma flabellare) and blacknose dace (Rhinichthys atractulus) were the two most abundant native stream fishes and were two of the three species collected in the ichthyoplankton drift. Fantail darter larvae comprised 100%, 98.9%, and 70.2% of the ichthyoplankton in the three streams. Most larval fishes (96%) drifted at night with peak catches occurring at 2400h in Orwell Brook and Trout Brook and 0400h in Little Sandy Creek. Based on stream temperatures, peak spawning and larval drift of blacknose dace probably occurred later in the season.
| Publication type | Article |
|---|---|
| Publication Subtype | Journal Article |
| Title | Diel periodicity of drift of larval fishes in tributaries of Lake Ontario |
| Series title | Journal of Freshwater Ecology |
| DOI | 10.1080/02705060.2007.9665057 |
| Volume | 22 |
| Issue | 2 |
| Year Published | 2007 |
| Language | English |
| Publisher | Taylor & Francis |
| Contributing office(s) | Great Lakes Science Center |
| Description | 4 p. |
| First page | 347 |
| Last page | 350 |
| Online Only (Y/N) | N |
| Additional Online Files (Y/N) | N |
| Google Analytic Metrics | Metrics page |