. The Biological bulletin. Biology; Zoology; Biology; Marine Biology. PRODUCTION BY A CORAL REEF ANEMONE 603 end In the laboratory, larvae were negatively phototropic. Showed aggregated settlement behavior and settled most frequently around the bases of the adults. Up to 50 planulae were released from a single adult. The planulae contained zooxanthellae an-anged m longitudinal rows, bore eight apical white patches (the precursors of the hrst set ot tentacles), and could swim slowly in a spiral fashion. . ,, ^ . „ . , • Settlement and metamorphosis occurred in most cases within 24 h and Edwards
. The Biological bulletin. Biology; Zoology; Biology; Marine Biology. PRODUCTION BY A CORAL REEF ANEMONE 603 end In the laboratory, larvae were negatively phototropic. Showed aggregated settlement behavior and settled most frequently around the bases of the adults. Up to 50 planulae were released from a single adult. The planulae contained zooxanthellae an-anged m longitudinal rows, bore eight apical white patches (the precursors of the hrst set ot tentacles), and could swim slowly in a spiral fashion. . ,, ^ . „ . , • Settlement and metamorphosis occurred in most cases within 24 h and Edwardsia stage juveniles with eight tentacles were produced. Additional juvenile tentacles sub- sequently developed in several rows and were intermittently expanded dunng both day and night. Lobate pseudotentacles did not develop until about six weeks later. A six-week development sequence is shown in Figure 1. DAY OLD. WEEKS OLD 6 WEEKS OLD mm 1 Figure \. A six week development sequence of planula larva and juveniles of Lchnmic conilllgens. la—lanceolate tentacle, lb—lobate Please note that these images are extracted from scanned page images that may have been digitally enhanced for readability - coloration and appearance of these illustrations may not perfectly resemble the original Marine Biological Laboratory (Woods Hole, Mass. ); Marine Biological Laboratory (Woods Hole, Mass. ). Annual report 1907/08-1952; Lillie, Frank Rattray, 1870-1947; Moore, Carl Richard, 1892-; Redfield, Alfred Clarence, 1890-1983. Woods Hole, Mass. : Marine Biological Laboratory
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