Abstract
The biology of the small offshore goby, Pomatoschistus norvegicus (Collett), was studied on the west coast of Scotland over a period of 19 months. Catches were highest in April‐June and lowest in August‐September. Virtually all growth takes place in the first two summers, very little in those fish surviving to a third summer. The fish mature after their first winter and the breeding season lasts from March‐July. Fecundity is linearly related to standard length and varies from approximately 1000–4000 eggs. Approximately 75% of fish survive their first breeding season but all die after their second. Males live slightly longer than females. The diet consists mainly of amphipods and small caridean decapods. The life history ofthe species is compared with other members ofthe genus.
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