61! 



Fishery Bulletin 90(3). 1992 



Table 3 



Linear regression equations and r- values of selected morphometric relationships for preflexion and "other stages" larvae of Para- 

 lichythys adspersus and P. microps. Abbreviations as in Table 1. 



Relationship 



PAL/SL 



BD/SL 



HL/SL 



UJL/SL 



LJL/SL 



ED/SL 



SnL/HL 



P. adspersus 



Preflexion 



0.091 + 



-0.311 + 



r 

 -0.189 + 



r 

 -0.284 + 



r 

 -0.137 + 



r 

 0.026 + 



r 

 -0.031 + 



r 



0.397X 



0.975 



0.205X 



0.933 



0.218X 



0.971 



0.119X 



0.956 



O.llOX 



0.974 



0.046X 



0.931 



0.254X 



0.896 



Other stages 



0.652 + 



r^ 

 -5.446 + 



r= 0, 

 -3.428 + 



r- 

 -1.012 + 



r' 

 -1.390 + 



r2 



-1.114 + 



r- 



0.082 + 



r- 



328X 



557 



944X 



,873 



,669X 



,817 



,215X 



.701 



.288X 



,723 



,199X 



.911 



.166X 



.794 



microps 



Preflexion 



0.088 + 0.388X 



r- 0.957 

 0.328 + 0.214X 

 r- 0.901 

 -0.149 + 0.217X 



r- 0.937 

 - 0.129 + 0.094X 



r- 0.805 

 -0.034 + 0.104X 

 r^ 0.815 

 0.047 + 0.042X 



r'~ 0.785 

 0.006 + 0.223X 

 r- 0.792 



Other stages 



0.534 + 



r' 

 -2.940 + 



r^ 

 -3.806 + 



r' 

 -1.060 + 



r- 



-1.165 + 

 r- 



-0.839 + 

 r- 

 0.033 + 



0.338X 



0.772 



0.711X 



0.821 



0.796X 



0.905 



0.258X 



0.889 



0.309X 



0.860 



0.187X 



0.934 



0.222X 



0.958 



the known range of the genus. P. 

 adspersus is larger at metamor- 

 phosis than P. microps (9.6-13.0 

 mmSL vs. 8.0-ll.OmmSL, re- 

 spectively) and is comparable to 

 the 10.2-14.2mmSL range for 

 P. olivaceus (Okiyama 1967). 



Early presence of elongated 

 anterior dorsal-fin rays in P. 

 adspersus and P. microps, at 6.5 

 and 6.0mmSL, respectively, is 

 common in Paralichthys and 

 related genera of paralichthyids 

 (sensu Ahlstrom et al. 1984). The 

 six elongated dorsal-fin rays ob- 

 served in P. microps fall within 

 the described range (4-8) for 

 Paralichthys, while P. adspe7-sus 

 only has 3, as in the related 

 genus Citharichthys (Ahlstrom 

 et al. 1984). The shape and size 

 of these dorsal-fin rays is char- 

 acteristic of the genus Paralich- 

 thys and not Citharichthys. 



The melanistic pattern of the 

 larvae of both species is very 

 similar to that described for the 

 genera Paralichthys and Pseudo- 

 rhombus (sensu Ahlstrom et al. 

 1984); however, the pigment 

 series along the horizontal sep- 

 tum described for other species 



