The observed increase in ovigerous females over time in the MADMF sea sampling program supports this conclusion. We suggest that due to the depleted condition of the SNE lobster stock, the discrepancy between expected maturity and mating activity in SNE females warrants further attention. Not because they tasted better or were any more appealing, but simply because they cost more. The following UNH stu- dents provided invaluable assistance throughout the study: The increase in ovigerous females in several un-exploited size classes since Fig. I recently read a piece about cul-de-sacs that gives me a similar pleasure. While it is possible that these non-SP females were immature, two of these females had mature ovaries upon subsequent examination the remainder were not available for ovary examination , and three others were carrying fertilized egg clutches.
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This paper presents a conceptual model for examination of shell disease and presents evidence to support three hypotheses. Lobster anatomy includes the cephalothorax which fuses the head and the thorax , both of which are covered by a chitinous carapace , and the abdomen. Clutch size increases with female size  and the developing embryos are incubated for approximately weeks , during which time females may migrate to deep reefs before the embryos hatch [,]. Nephropidae Dana , Clinical signs and pathology: Fertilisation is external MacDiarmid, and fertility increases with female size Annala and Bycroft,
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Puerulus occurrence was correlated with Finfish and whelk age, growth, and maturity; finfish stomach contents. This page was last edited on 23 July , at Many infected individuals displayed deep shell lesions, sometimes covering most of their carapace Castro et al.
Sperm economy and limitation in spiny lobster
Description: Shell dis- ease is therefore interpreted as a maladaptation to changing environ- mental conditions by decreasing the immunocompetence of the or- ganisms Chen et al. Journal of Crustacean Biology. Large female rock lobsters may require large males for mating MacDiarmid and Butler, and produce eggs of better quality MacDiarmid, Breen and Kendrick, unpublished data. Dinochelus 1 extant sp. Lobster is used in soup, bisque , lobster rolls , and cappon magro.