National Geographic : 1971 Aug
Prowling a thicket of sea whips, fans, and feathers, the author snares a spiny lobster. Back in the habitat, Ian Kob lick installs a miniaturized sonic ping er on the carapace of nocturnal Panu lirus argus (below). Tagging several of the commercially important crus taceans-one source of supermarket lobster tails-the two men were able to track them during their nightly roamings and gather valuable new knowledge about their behavior. On an earlier tagging project, a six pound lobster tore away Koblick's diving mask and air regulator. He surfaced immediately, and managed to disengage the creature without damage to himself or to the hitch 284 hiking crustacean. EKTACHROMES BY BATESLITTLEHALESANDJOHNG. VANDERWALKER (BELOW)© N.G.S.