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9
'LVWULEXWLRQ�RI�0XGVNLSSHUV�(Gobiidae: Oxudercinae) on the Selangor Coast
.KDLURQL]DP��0�=��DQG�1RUPD�5DVKLG��<�Institute of Biological Sciences, University of Malaya, 50603 Kuala Lumpur
9.2 The study area7KH�VWXG\�ZDV�FDUULHG�RXW� LQ� WKH�FRDVWDO�DUHDV�RI�0RULE� �����·1��������·(���6HPHQWD�����·1��������·(���-HUDP������·1��������·(���.DPSXQJ�.XDQWDQ������·1��������·(���DQG�.XDOD�6HODQJRU������·1��������·(��LQ�6HODQJRU��RQ�WKH�ZHVW�FRDVW�RI�3HQLQVXODU�0DOD\VLD�
0RULE�DQG� -HUDP�KDYH�H[WHQVLYH�PXGÁDWV�RQ� WKH� IRUHVKRUH�RI� WKH�PDQJURYHV��6DPSOHV�ZHUH�FROOHFWHG�IURP�PXGÁDWV��ULYHU�EDQNV�DQG�IRUHVWHG�DUHDV��IURP�VHDZDUG�IRUHVKRUH� WR� WKH� HURGHG�EDQNV���+HUH�� � � WKH�PDQJURYH� IRUHVWV�ZHUH�GRPLQDWHG�E\�Avicennia alba, Sonneratia alba and Rhizophora mucronata��7KH�PDQJURYH�IRUHVW�KHUH�FDQ�EH�GLYLGHG�LQWR�IRXU�]RQHV�1 Avicennia alba�]RQH�� `��PDQJURYH2 Avicennia alba and Sonneratia alba�PL[HG�IRUHVW�]RQH�� `�SLRQHHU�VKRUH��3 Sonneratia alba�]RQH��� `��ORFDWHG�DW�WKH� Rhizophora mucronata�]RQH�� `�HURGHG�EDQN�DUHDV��
9.3 Materials and methods7KLV�VWXG\�DQG�RWKHU�VWXGLHV�UHSRUWHG�KHUH�ZHUH�FDUULHG�RXW�IURP�6HSWHPEHU������XQWLO�$XJXVW�������4XDGUDWHV�PHDVXULQJ����P2�ZHUH�HUHFWHG�LQ�YDULRXV�ORFDWLRQV�WR�VDPSOH�GLYHUVH�KDELWDWV��WKH�VL]HV�ZHUH�DOWHUHG�DFFRUGLQJ�WR�VWXG\�ORFDOLW\����[���P2�LQ�PDQJURYH�IRUHVW�ÁRRU�DQG�PXGÁDW��DQG���[���RU���[����P2�RQ�ULYHU�EDQNV���2WKHU�PHWKRGV�IRU�FROOHFWLQJ�PXGVNLSSHUV�ZHUH�E\�XVLQJ�KDQG�RU�VFRRS�QHWV��FDVW�QHWV��GLJJLQJ�EXUURZV�DQG�SXUFKDVLQJ�IURP�ÀVKHUPHQ·V�WUDZO�FDWFK�
chrysospilos�LV�WKH�RQO\�VSHFLHV�WKDW�FRXOG�EH�IRXQG�LQ�DOO�ORFDOLWLHV�RI�WKH�VWXG\�DUHDV��7KLV�VSHFLHV�ZDV�IRXQG�LQ�KLJK�GHQVLWLHV�MXVW�VKRUHZDUG�WR�WKH�ORZ�WLGH�OLQH��,W�LV�GRPLQDQW�RQ�WKH�PXGÁDWV�DQG�ULYHU�EDQNV�LQ�PRVW�VWXG\�VLWHV��7KH\�DUH�IRXQG�LQ�WKH�PDQJURYH�IRUHVW�ÁRRU�QHDUE\�WKH�HURGHG�EDQNV��EXW�QRW�IRXQG�ZLWKLQ�PDQJURYH�IRUHVWV�LQ�6HPHQWD�DQG�.XDOD�6HODQJRU��7KXV�WKH�VWXG\�VKRZHG�Ps. chrysospilos�ZDV�GRPLQDQW�LQ�SLRQHHU�PDQJURYH�]RQHV�RI�Avicennia alba�DQG�PL[HG�IRUHVW�]RQHV�RI�Avicennia alba and Sonneratia
Periophthalmus walailakae 'DUXPDV�DQG�7DQWLFKRGRN7KLV�LV�DOVR�D�QHZ�VSHFLHV��)LJ�����GHVFULEHG�E\�'DUXPDV�DQG�7DQWLFKRGRN���������7KH�VSHFLHV�LV�FKDUDFWHULVHG�E\�D�VLQJOH�URZ�RI�WHHWK�LQ�XSSHU�MDZ�DQG�VWURQJ�IUHQXP�WKDW�IXVHV�ZLWK�WKH�SHOYLF�ÀQ��IRUPLQJ�D�URXQG�GLVN��7KH�FRORXUDWLRQ�RI�KHDG�DQG�ÁDQNV�LV�JUHHQLVK�EURZQ��ZKLWH�VSRWV�DUH�REYLRXVO\�VHHQ�VFDWWHUHG�RQ�ÁDQNV��SHFWRUDO�ÀQV�DQG�RSHUFOHV��'��UHGGLVK�EURZQ��'��ZLWK�VLQJOH�GXVN\�VWULSH��SHFWRUDO�DQG�FDXGDO�ÀQ�VSLQHV�DUH�GXVN\�DQG�SHOYLF�ÀQV�WRWDOO\�IXVHG��IRUPLQJ�D�URXQG�GLVN��7KLV�VSHFLHV�OLYHV�V\PSDWULFDOO\�ZLWK�Ps. novemradiatus and Ps. gracilis�LQ�WKH�PL[HG�IRUHVW�RI�Sonneratia alba and Rhizophora mucronata�LQ�0RULE��7ZR�ELJ�VSHFLPHQV��!�����PP�6/��ZHUH�FDXJKW�LQ�WKH�XSSHU�VKRUH�PDQJURYHV�LQ�6HPHQWD��7KH�FRPPRQ�PXGVNLSSHUV�LQ�WKH�KDELWDW�ZHUH�Ps. novemradiatus, Ps. gracilis, Ps. spilotus, Pn schlosseri and B. boddarti.
�6/������������PP�OHQJWK�RI�DGXOW��DQG�ZDV�FOHDUO\�GRPLQDQW�LQ�WKH�PXGÁDW��ULYHULQH�DQG�PDQJURYH�IRUHVW�ÁRRU��8VXDOO\��MXYHQLOHV��6/�����������PP�OHQJWK��ZHUH�IRXQG�LQ�WKH�PDQJURYH�IRUHVW�ÁRRU��OLYLQJ�V\PSDWULFDOO\�ZLWK�Ps. novemradiatus, Ps. gracilis, Ps.
spilotus, Ps. ranongensis and B. boddarti��$GXOWV�ZHUH�PRUH�FRPPRQ�RQ�PXGÁDWV�DQG�ULYHU�EDQNV�WKDQ�LQ�WKH�PDQJURYH�IRUHVW��7KLV�VSHFLHV�LV�D�FDUQLYRUH��IRUDJLQJ�RQ�VPDOO�FUDEV�DQG�VPDOO�ÀVK�
0DQJURYH�IRUHVW�ÁRRU1LQH� VSHFLHV�RI�PXGVNLSSHUV��GRPLQDWHG�E\� WKH�JHQXV�Periophthalmus�� RFFXUUHG�RQ�WKH�PDQJURYH�IRUHVW�ÁRRU��7KH�VSHFLHV�IRXQG�LQ�WKLV�KDELWDW�ZHUH�Ps. chrysospilos, Ps.
novemradiatus, Ps. gracilis, Ps. spilotus, Ps. argentilineatus, Ps. walailakae, B. boddarti, and Pn. schlosseri.
7KH�GLVWULEXWLRQ�ZDV�DOVR�GLIIHUHQW�ZLWKLQ�WKH�IRUHVW�]RQHV��,Q�WKH�Avicennia alba and LQ�WKH�PL[HG�IRUHVW�RI�Avicennia alba and Sonneratia alba�]RQHV�LQ�0RULE�DQG�-HUDP�ZKHUH�WKH�VXEVWUDWHV�ZHUH�VDQG�PXG��RQO\�Ps. chrysospilos�ZDV�IRXQG�GXULQJ�WKH�ORZ�WLGH��,Q�WKH�]RQHV�RI�Sonneratia alba and Rhizophora mucronata��KLJK�QXPEHUV�RI�Ps. novemradiatus and Ps. gracilis�ZLWK�VPDOO�QXPEHUV�RI��Ps. chrysospilos, Ps. argentilineatus, Ps. walailakae, B. boddarti and Pn. schlosseri�ZHUH�IRXQG��Ps. novemradiatus, Ps. gracilis, Pn. schlosseri and B. boddarti�ZHUH�FRPPRQO\�IRXQG�RQ�WKH�PDQJURYH�IRUHVW�ÁRRU�LQ�6HPHQWD�DQG�.XDOD�6HODQJRU��Ps. spilotus and Ps. walailakae�ZHUH�QRW�FRPPRQ�
serperaster, Ps. spilotus and Pn. septemradiatus�LQ�7HELQJ�7LQJJL��6XPDWUD�7KH�IRXU�VSHFLHV�WKDW�ZHUH�QRW�UHSUHVHQWHG�LQ�WKH�SUHVHQW�ZRUN�DUH�Ps. malaccencis,
B. pectinirostris, B. dussumieri and Pss. borneensis�DOWKRXJK�WKHVH�ZHUH�UHSRUWHG�E\�RWKHU�DXWKRUV�IURP�ORFDOLWLHV�RXWVLGH�WKH�SUHVHQW�VWXG\�DUHDV�LQ�3HQLQVXODU�0DOD\VLD��7DEOH�����Ps. malaccencis�ZDV�GLVFRYHUHG�LQ�.XDOD�/DQJDW�E\�.RXPDQV��������DQG�B. pectinirostris ZDV� UHSRUWHG� WR� H[LVW� LQ�3HQDQJ�DFFRUGLQJ� WR� WKH�ROG� UHFRUGV�RI�&DQWRU� ������� DQG�.RXPDQV� ��������$OWKRXJK�Pss. borneensis�ZDV� UHSRUWHG� IURP�3HQDQJ�DQG�6DUDZDN�E\�.RXPDQV���������0XUG\��������RQO\�UHGLVFRYHUHG�WKLV�VSHFLHV�LQ�6DUDZDN��$�PRUH�UHFHQW�ZRUN�E\�7DNLWD�et al���������FDUULHG�RXW�LQ�.DPSXQJ�6XQJDL�<X��.XDOD�6HODQJRU�added B. dussumieri to the list.
Ps. argentilineatus��IRPHUO\�NQRZQ�DV�Ps. vulgaris��ZDV�HDUOLHU�UHSRUWHG�WR�LQKDELW�WKH�VWUHDP�EDQNV�ZLWKLQ�WKH�PDQJURYH�IRUHVW��%HUU\���������,W�ZDV�DOVR�UHSRUWHG�WR�SRSXODWH�
Ps. chrysospilos, Pn. schlosseri, S. histophorus and B. boddarti�ZHUH�WKH�PRVW�FRPPRQ�PXGVNLSSHUV�RI�WKH�6HODQJRU�FRDVW�HVSHFLDOO\�RQ�WKH�VHDZDUG�IRUHVKRUH��PXGÁDW�DQG�ULYHUEDQN��$OWKRXJK�Pn. schlosseri and B. boddarti�ZHUH� WKH�SUHGRPLQDQW� VSHFLHV�RQ�PXGÁDW�DQG�ULYHULQH�ORFDOLWLHV��WKH\�DOVR�XWLOLVHG�WKH�IRUHVW�ÁRRU�LQ�6HPHQWD�DQG�.XDOD�6HODQJRU�PDQJURYHV��S. histophorus and 2��GHQWDWXV�ZHUH�IRXQG�WR�EH�FRPPRQ�RQ�WKH�VHPL�ÁXLG�PXG�VXEVWUDWHV�
Ps. chrysospilos�LV�WKH�PRVW�DEXQGDQW�VSHFLHV�RQ�WKH�LQWHUWLGDO�PXGÁDW��ULYHUEDQNV�DQG�LQ�WKH�PDQJURYH�SLRQHHU�DUHDV�RI�-HUDP�DQG�0RULE��$W�KLJK�WLGHV�LW�PD\�EH�IRXQG�FOLQJLQJ�RQWR�WKH�PDQJURYH�VWHPV�RU�GHDG�WUXQNV�
.KDLURQL]DP��0�=�� DQG�1RUPD�5DVKLG�� <��� ������$� QHZ� UHFRUG� RI�PXGVNLSSHU�Periophthalmus spilotus��*RELLGDH��2[XGHUFLQDH��IURP�6HODQJRU�FRDVWV��3HQLQVXODU�0DOD\VLD��Natural History Bulletin of Siam Society 50(2)���������
/HH��<��-���&KRL��<��DQG�5\X��%��6���������$�WD[RQRPLF�UHYLVLRQ�RI�WKH�JHQXV�Periophthalmus �3LVFHV��*RELLGDH��IURP�.RUHD�ZLWK�GHVFULSWLRQ�RI�D�QHZ�VSHFLHV��The Korean Journal
of Ichthyology 7(2)����������0DFQDH��:���������$�JHQHUDO�DFFRXQW�RI�WKH�IDXQD�DQG�ÁRUD�RI�PDQJURYH�VZDPSV�DQG�
0XUG\��(�2��DQG�7DNLWD��7���������Periophthalmus spilotus��D�QHZ�VSHFLHV�RI�PXGVNLSSHU�IURP�6XPDWUD��*RELLGDH��2[XGHUFLQDH���Ichthyological Research 46(4)����������
walailakae �3LHFHV�*RELLGDH��2[XGHUFLQDH���2FFXUUHQFH� DQG� GLVWULEXWLRQ� LQ�3HQLQVXODU�0DOD\VLD�ZLWK�QRWH�RQ�LWV�HFR�HWKRORJ\�DQG�RQ�WKH�RULJLQ�RI�WKH�JHQXV� Annali del Museo Civico di Storia Naturale di Genova ‘Giacomo Doria’.
Ecology and Biogeography Letters 7��������6ZHQQHQ��&��5XWWDQDGDNXO��1���+DYHU��0���3LXPPRQJNRO�� 6���3UDVHUWVRQJVNXP��6���
,QWDQDL��,���&KDLSDNGL��:���<HHVLQ��3���+RUSHW��3��DQG�'HWVDWKLW��6���������7KH�ÀYH�V\PSDWULF�PXGVNLSSHUV��7HOHRVWHL��*RELRLGDH��RI�3DWWDQL�DUHD��6RXWKHUQ�7KDLODQG��National History Bulletin of Siam Society 42����������