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| Main Ref.: | Utrilla, C.G. and J. Lobón-Cerviá, 1999 | |||||||||||
| Data Reference: | Utrilla, C.G. and J. Lobón-Cerviá, 1999 | |||||||||||
| Country: | Spain | |||||||||||
| Spawning ground: | riverine | |||||||||||
| Locality: | Esva River (43°33'N, 6°32'E), 1992-1994 | |||||||||||
| Season: |
Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec |
| 111 | ||||||||||||
| Sex ratio: | 50 % Ref.: Utrilla, C.G. and J. Lobón-Cerviá, 1999 | |||||||||||
| Temperature: | - °C | |||||||||||
| Gestation period: | month/s | |||||||||||
| Length of offspring: | cm | |||||||||||
| Batch spawners | ||||||||||||
| Daily spawning frequency |
- Mean: |
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Min Ref.: Max Ref.: Mean Ref.: |
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| Comments: | It was noted that 2 months after spawning (by March) most of the male population in the two tributaries (86% La Viella, 62% Ma´llene) still showed ripe gonads (Ref. 36293). | |||||||||||
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