Endocrine events associated with spawning behavior in the sea lamprey (Petromyzon marinus)
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Abstract
Levels of estradiol, progesterone, and testosterone were determined in plasma of sea lamprey (Petromyzon marinus) undergoing certain behaviors associated with spawning in natural and artifical stream environments. Significantly higher levels of estradiol, progesterone, and testosterone were found in males than in females. In the artifical spawning channel, levels of estradiol were significantly higher in females exhibiting resting and swimming behaviors than in fanning, nest building, and spawning behaviors. No significant correlation was found with either progesterone or testosterone levels and the various reproductive behaviors. The data presented are the first experimental evidence that suggest gonadal steroids may be correlated with certain reproductive behaviors in the sea lamprey.
| Publication type | Article |
|---|---|
| Publication Subtype | Journal Article |
| Title | Endocrine events associated with spawning behavior in the sea lamprey (Petromyzon marinus) |
| Series title | Hormones and Behavior |
| DOI | 10.1016/0018-506X(87)90036-5 |
| Volume | 21 |
| Issue | 1 |
| Year Published | 1987 |
| Language | English |
| Publisher | Elsevier |
| Contributing office(s) | Upper Midwest Environmental Sciences Center |
| Description | 13 p. |
| First page | 105 |
| Last page | 117 |
| Google Analytic Metrics | Metrics page |