Size and Reproduction of Exploited Reef Fishes at Kamiali Wildlife Management Area, Papua New Guinea Ken Longenecker, Ross Langs
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Size and Reproduction of Exploited Reef Fishes at Kamiali Wildlife Management Area, Papua New Guinea Ken Longenecker, Ross Langston, Holly Bolick, and Utula Kondio Honolulu, Hawaii November 2013 COVER A bird’s eye view of the shoreline inhabited by most residents of Kamiali Wildlife Management Area. Photo: Ross Langston. Size and Reproduction of Exploited Reef Fishes at Kamiali Wildlife Management Area, Papua New Guinea Ken Longenecker1, Ross Langston1, Holly Bolick1, and Utula Kondio2 (1) Pacific Biological Survey Bishop Museum Honolulu, Hawaii 96817, USA (2) Kamiali Wildlife Management Area Lababia, Morobe Province, PNG Bishop Museum Technical Report 62 Honolulu, Hawaii November 2013 Bishop Museum Press 1525 Bernice Street Honolulu, Hawai‘i Copyright © 2013 Bishop Museum All Rights Reserved Printed in the United States of America ISSN 1085-455X Contribution No. 2013-008 to the Pacific Biological Survey Contents LIST OF TABLES.......................................................................................................................... 7 LIST OF FIGURES ........................................................................................................................ 8 EXECUTIVE SUMMARY .......................................................................................................... 11 INTRODUCTION ........................................................................................................................ 13 Kala Pronunciation Guide......................................................................................................... 13 General Background ................................................................................................................. 13 Fishery Surveys......................................................................................................................... 14 Reproductive Analysis.............................................................................................................. 14 Size-at-maturity..................................................................................................................... 14 Batch Fecundity and Sex-ratios ............................................................................................ 16 Catch Characteristics ................................................................................................................ 16 Purpose...................................................................................................................................... 17 METHODS ................................................................................................................................... 18 Study Area ................................................................................................................................ 18 Rapid Reproductive Analysis ................................................................................................... 18 Catch Characteristics ................................................................................................................ 19 Fishery Surveys......................................................................................................................... 19 Time Series ............................................................................................................................... 22 RESULTS ..................................................................................................................................... 22 Reproductive Analysis.............................................................................................................. 22 Luduŋ mai (Caesio cuning)................................................................................................... 22 Kada maba (Lethrinus erythropterus) .................................................................................. 23 Imbilĩ tombo gabo (Myripristis adusta)................................................................................ 23 Ikula su tatalõ (Plectropomus oligacanthus)........................................................................ 23 Length-Weight Relationships ................................................................................................... 24 Fishery Surveys......................................................................................................................... 25 Species Accounts ...................................................................................................................... 37 Acanthuridae......................................................................................................................... 37 Acanthurus lineatus (iwiliya)............................................................................................ 37 Ctenochaetus tominiensis (aloweya yayã)........................................................................ 37 Naso hexacanthus (biaŋgawe suwi).................................................................................. 37 Naso lopezi (biaŋgawe talõ) ............................................................................................. 38 Naso vlamingii (biaŋgawe tumi)....................................................................................... 38 Balistidae............................................................................................................................... 39 Canthidermis maculata (labaikã suwi)............................................................................. 39 Caesionidae........................................................................................................................... 39 Caesio cuning (luduŋ mai)................................................................................................ 39 Carangidae ............................................................................................................................ 40 Carangoides bajad (imaŋalẽ babaura)............................................................................. 40 Carangoides plagiotaenia (imaŋalẽ tombo gabo) ............................................................ 40 Caranx melampygus (imaŋalẽ talã).................................................................................. 41 Caranx papuensis (imaŋalẽ labrã kulĩ) ............................................................................ 42 Carcharhinidae ...................................................................................................................... 43 Carcharhinus amblyrhynchos (kapa ii) ............................................................................ 43 3 Carcharhinus melanopterus.............................................................................................. 43 Triaenodon obesus (kapa bage bula)................................................................................ 44 Ephippidae ............................................................................................................................ 44 Platax orbicularis ............................................................................................................. 44 Platax pinnatus (ibuŋgi taro)............................................................................................ 44 Platax teira (ibuŋgi).......................................................................................................... 44 Haemulidae ........................................................................................................................... 45 Diagramma pictum (godobo manibarã/taro) ................................................................... 45 Plectorhinchus chaetodonoides ........................................................................................ 45 Plectorhinchus lineatus (iyabua sa).................................................................................. 45 Plectorhinchus vittatus (iyabua kurĩ naba)....................................................................... 46 Holocentridae........................................................................................................................ 46 Myripristis adusta (imbilĩ tombo gabo) ............................................................................ 46 Myripristis berndti (imbilĩ yakẽ yayã) .............................................................................. 47 Myripristis kuntee (imbilĩ godõ nambĩ) ............................................................................ 47 Myripristis pralinia (imbilĩ yakẽ suwi) ............................................................................. 48 Myripristis violacea (imbilĩ yakẽ bumbu)......................................................................... 48 Myripristis vittata (imbilĩ yakẽ suwi)................................................................................ 49 Neoniphon sammara (imbilĩ sa)........................................................................................ 50 Sargocentron caudimaculatum (imbilĩ yasai)................................................................... 51 Sargocentron melanospilos............................................................................................... 51 Kyphosidae ........................................................................................................................... 52 Kyphosus cinerascens (italawe)........................................................................................ 52 Kyphosus vaigiensis (italawe talabopia) .........................................................................