 | 1860 - 536 páginas
...yellow. In the female fish the abdomen is keeled, in that of the male depressed. A similar.process as to the transfer of the ova takes place in the fish...by side clinging with their tails to the tufts of Zostera marina, in which position the male is enabled to attach to the abdomen the ova, by the same... | |
 | Jonathan Couch - 1865 - 602 páginas
...most beautiful of the species, the girth of the body being oval, of a long tapering form to the tail. These fish under favourable opportunities of calmness...by side, clinging with their tails to the tufts of Zostera manna, in which position the male is enabled to attach to the abdomen the ova by the same influence... | |
 | 1865 - 526 páginas
...transfer is very similar. He says that under favourable opportunities of calmness of tides, these fish may be seen side by side, clinging with their tails to the tufts of Zostera marina, in which position the male is enabled to attach to the abdomen the ova, by the same... | |
 | 1865 - 520 páginas
...transfer is very similar. He says that under favourable opportunities of calmness of tides, these fish may be seen side by side, clinging with their tails to the tufts of Zostera marina, in which position the male is enabled to attach to the abdomen the ova, by the same... | |
 | 1907 - 810 páginas
...äs to the transfer of the ova takes place in the fish äs described in the last [dh Syng. aequorem], with the exception. that the males have no abdominal...by side clinging with their tails to the tufts of Zostera niarina. in which position the male is enabled to attach to the abdomen the ova, by the same... | |
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A similar.process as to the transfer of the ova takes place in the fish as described in the last, with the exception that the males have no abdominal sac to enclose the ova. These fish, under favourable opportunities of calmness and of tides, may be seen... 