The life history of the caplin (Mallotus villosus O.F. Müller) in Newfoundland waters

• Main Author: Templeman, Wilfred, 1908-
• Other Authors: Newfoundland. Department of Natural Resources
• Format: Book
• Language: English
• Published: [Department of Natural Resources] 1948
• Subjects: Capelin; Newfoundland; Newfoundland studies
• Online Access: http://collections.mun.ca/cdm/ref/collection/cns2/id/121592

Bulletin of the Newfoundland Government Laboratory, No. 17 Material and methods -- Acknowledgements -- Caplin [sic] measurements. Relation between total length and standard length -- Shrinkage effects in caplin measurements. In fresh condition -- In formalin -- Conclusions -- Sizes of spawning caplin -- Sex ratio -- Sexual maturity and ripeness. Development of the spawning ridges -- Relation to size and season -- Spawning. The spawning act -- Female spawning -- Male spawning -- Conclusions -- Relation of beach spawning to environmental conditions. Spawning beach -- Temperature -- Tidal conditions -- Salinity -- Light -- Winds and waves -- Discussion and conclusions -- Earliest and latest captures of caplin -- Extent of the period of caplin spawning on the beaches -- Notes on the non-spawning or rare spawning of caplin on certain parts of the coast -- Probability of unusual conditions in 1941 -- Caplin spawning in deep water -- Late spawning on the beaches -- Evidences of repeated spawning -- Caplin eggs. Number of eggs in female caplin -- Diameter of caplin eggs -- Caplin larvae. Some distinctions between caplin larvae and other fish larvae. Caplin, launce and rock eel larvae -- Caplin and herring larvae -- Caplin and smelt larvae -- Descriptions of caplin larvae -- Captures of caplin larvae and length of the egg-developmental period. W. Garland inshore cruises, 1939 -- Holyrood -- Grand beach -- Discussion -- Size and abode of caplin in the various year groups. Sizes of caplin before their first winter -- Young caplin during and after their first winter. Young caplin from herring stomachs -- Young caplin caught pelagically -- Young caplin from cod stomachs -- Accounts of small caplin from questionnaires -- Discussion and conclusions -- Age-determination and growth rates. Caplin scales. Methods -- Lateral-line scales -- Description and annual zones -- Caplin otoliths. Methods -- Description and annual zones -- First year of caplin age. Scales -- Otoliths -- Final year of caplin age. Scales -- Otoliths -- ...