National Geographic : 1989 Oct
LOOKING REMARKABLY like a Others stayed put until Roger leaning into an undersea wind. little wild boar, the southern and Linda released them. Using his native Scottish word pigfish (facing page) extends its On an apt track, a sea horse for conspicuous, biologist Sir J. snoutlike mouth to sweep crev- races across a shallow bay in Arthur Thomson called sea ices for crustaceans, worms, Port Pegasus on Stewart Island. horses "the most 'kenspeckle' and other invertebrates. Off Most likely a male, seven and a creatures in the sea.... Stewart Island, Roger and I half inches long, its extended Chameleons come a close sec watched one foot-long pigfish abdomen may hold eggs laid ond on land, and bats in the air. rolling on the bottom with the by a female. Undulating its Surely Nature must have smiled tide. Then Roger did an amaz- fins, the fish levitates, then to herself as she saw all three ing thing-he picked up the moves forward like a helicopter evolving." fish. In all my years of diving I had never seen anyone pick up a wide-awake fish. He handed it to me. It grunted softly. A few years ago Roger was studying pigfish. He was hold ing one when he realized he needed two hands to work his underwater camera. He simply dug a hole in the soft sand bot tom and carefully, gently "planted" his pigfish. The fish made no objection. Roger turned around, picked up his camera, and photographed it. To test how these passive fish influence one another, Roger and Linda sowed a whole garden of pigfish (above), carefully keeping sand away from their gills. A few wriggled free and swam off. PIGFISH, CONGIOPODUSLEUCOPAECILUS(TOP AND RIGHT); SEA HORSE, HIPPOCAMPUSABDOMINALIS 526 National Geographic, October 1989 IN^ ^ilcA^* **' ** : ": *''* ; **.'-'*** '"* ; .' .' ' * : ,:',' I::: '-*'i'"" ' : .'': ; ''.'' '^ ':.* ;: '.;'^* ;*'':" ' *:.' **fi:S ,. fB~f ~£e^Cft'Ti:Hl;^^E,H)S, .** .;" '**S&' .* : '^~*^.^''.'' : ''*' : ;: : \ ** '.**"' : . ..*^*'^ w^o^ ^Q~fe :..