MARINE TOXINS AND VENOMOUS AND POISONOUS MARINE ANIMALS
347
vessels engaged in shrimping. However, as they are of little commercial
value no figures are maintained on the yearly catch, or on the numbers
landed at various ports.
The greater weever, Trachinus draco (Fig. 17), reaches a total
length of approximately 45 cm, although Mareti6 (1957) reports that
FIG. 17. Top to bottom: Trachinwr araneus, Trachinwr radiatus, Trmhinus draco,
Trachinwr vipera. (From Smithsonian Institute, and Halstead, 1969.)
these fish may reach 50 cm in length. They are found in deeper waters
than the lesser weever, and are usually taken by deep water trawlers
and coastal cutters. When the catch is large enough to warrant
marketing these fish command a good price. They are considered a
delicacy by many fishermen I have met in North Sea ports. The
practice of removing the venomous dorsal and opercular spines before
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vessels engaged in shrimping. However, as they are of little commercial
value no figures are maintained on the yearly catch, or on the numbers
landed at various ports.
The greater weever, Trachinus draco (Fig. 17), reaches a total
length of approximately 45 cm, although Mareti6 (1957) reports that
FIG. 17. Top to bottom: Trachinwr araneus, Trachinwr radiatus, Trmhinus draco,
Trachinwr vipera. (From Smithsonian Institute, and Halstead, 1969.)
these fish may reach 50 cm in length. They are found in deeper waters
than the lesser weever, and are usually taken by deep water trawlers
and coastal cutters. When the catch is large enough to warrant
marketing these fish command a good price. They are considered a
delicacy by many fishermen I have met in North Sea ports. The
practice of removing the venomous dorsal and opercular spines before