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Abstract
We describe a water-recirculating system for inducing spawning of sea lampreys (Petromyzon marinus) held under laboratory conditions. Water temperature in the system was gradually increased to and maintained at 18 +/- 2 degrees C, the optimal temperature for spawning. About 10% freshwater was added daily to prevent buildup of waste products. Sea lampreys were provided substrate (approximately 3-6 cm in diameter) to build nests, and a water velocity of 0.2-0.3 m/s was maintained with an electric trolling motor. Sea lampreys held in this system exhibited characteristic spawning behavior. Prolarvae produced from artificial fertilization of gametes developed according to the standard timeline.
| Publication type | Article |
|---|---|
| Publication Subtype | Journal Article |
| Title | Flowing recirculated-water system for inducing laboratory spawning of sea lampreys |
| Series title | Progressive Fish-Culturist |
| Volume | 57 |
| Issue | 4 |
| Year Published | 1995 |
| Language | English |
| Contributing office(s) | Great Lakes Science Center |
| Description | p. 297-301 |
| Larger Work Type | Article |
| Larger Work Subtype | Journal Article |
| Larger Work Title | Progressive Fish-Culturist |
| First page | 297 |
| Last page | 301 |
| Google Analytic Metrics | Metrics page |