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VARIATION in SETTLEMENT and LARVAL DURATION of Klng GEORGE WHITING, SILLAGINODES PUNCTATA (SILLAGINIDAE), in SWAN BAY, VICTORIA, AUSTRALIA
BULLETIN OF MARINE SCIENCE, 54(1): 281-296, 1994 VARIATION IN SETTLEMENT AND LARVAL DURATION OF KlNG GEORGE WHITING, SILLAGINODES PUNCTATA (SILLAGINIDAE), IN SWAN BAY, VICTORIA, AUSTRALIA Gregory P. Jenkins and Helen M. A. May ABSTRACT Otoliths were examined from late-stage larvae and juveniles of King George whiting, Sillaginodes punctata, collected from Swan Bay in spring 1989. Increments in otoliths of larval S. punctata are known to be formed daily. A transition in the microstructure of otoliths from late-stage larvae was apparently related to environmental changes associated with entry to Port Phillip Bay. The pattern of abundance of post-larvae of S. punctata in fortnightly samples supported the contention that the transition was formed immediately prior to "set- tlement" in seagrass habitats. Backcalculation to the otolith transition suggested that five cohorts had entered Swan Bay, each approximately 10 days apart, from late September to early November. Stability of this pattern for juveniles from sequential samples indicated that otolith increments continued to be formed daily in the juvenile stage. The pattern of settlement was consistent for two sites within Swan Bay. The larval phase of King George whiting settling in Port Phillip Bay was extremely long and variable, ranging from approximately 100 to 170 days. Age at settlement was more variable than length, and growth rate at settlement was I I extremely slow, approximately 0.06 mm ·d- • • Backcalculated hatching dates ranged from April to JUly. July. Increment widths in the larval stage suggest that growth slows after approxi- mately 45 to 75 days; beyond which individuals are in a slow growth, competent stage of 40 to 100 days. -
South Australian Charter Boat Fishing Limits
Commonwealth Size Individual Charter *Multi-day (cm) passenger boat limit charter trip Managed Species catch limit Up to 3 Up to 6 More than 3 days passengers passengers Albacore - 2 6 No multi-trip Barracouta - 10 30 limits permitted. Bight Redfish 30 10 30 Boat limits for up Blue Warehou - 10 30 to 6 passengers Gemfish - 10 30 apply irrespective Gummy/School Shark 45 2 6 of the number Note: These are combined Gummy/School Shark limits.- of persons on Ling - 3 18 the boat or the Morwong (Jackass) - 10 30 number of days Silver Warehou - 10 30 fishing. Southern Bluefin Tuna - 2 6 GLOSSARY Individual passenger catch limit Number of fish per person, per boat, per day. Charter boat limit Number of fish per boat, per day. Multi-day charter trip Three times the daily individual limits that apply. IMPORTANT INFORMATION 1. Boat limits apply when there are more than three and up to six people onboard. If three people or less are onboard, then individual bag limits apply. For the species listed in Table 1, a different individual catch limit applies where there are more than three passengers onboard. 2. On multi-day charters, the catch limit for Commonwealth-managed species is restricted to one daily boat limit, regardless of the number of passengers onboard or the number of days. South Australian Charter 3. It is an offence to cut up, fillet or otherwise mutilate fish in a boat (except for scaling and gutting) unless the fish are to be eaten onboard. This applies to all species subject to minimum legal lengths. -
Information Sheet
Illustration © R. Swainston/anima.net.au Information sheet Yellowfin whiting (Sillago schombergkii) Distribution Identification Yellowfin whiting (also known as western sand Adults have no distinguishing body markings and are whiting) are endemic to south-western Australia from best identified by their yellow ventral and anal fins Western Australia (Onslow) to South Australia (Gulf St and a weakly forked tail. Juveniles have faint black Vincent). WA and SA host separate breeding stocks. blotches on the body and may be confused with juvenile western trumpeter whiting. Stock structure and movement In WA, populations within the Gascoyne Coast Growth Bioregion and West Coast Bioregion are believed Can reach a maximum of 427 mm total length (TL) to have limited connectivity and so are regarded as and 12 years of age. Females and males attain separate stocks. sexual maturity at 2 years, at 200 and 190 mm TL, respectively. Females grow slightly larger than males. In the West Coast Bioregion, some fish live in estuaries for much the year, but these fish migrate Reproduction to sea to join their ocean-dwelling counterparts to Spawning typically occurs at water temperatures spawn in late spring/early summer. Hence, fish of 22-24 ºC. Spawning occurs August-December across the West Coast Bioregion belong to the same in northern areas (e.g. Shark Bay) and December- breeding stock (e.g. fish caught in the Peel-Harvey February in southern areas (e.g. Perth). Spawning Estuary are part of the same population as those in occurs over a longer period in northern areas Geographe Bay or Jurien Bay). -
Boat-Based Recreational Fishing Catch and Effort in Cockburn Sound and Owen Anchorage During 1996/97, 2001/02 and 2005/06 April 20Th 2012 Neil Sumner and Eva Lai
Fisheries Research Contract Report No. 23, 2012 Boat-based Recreational Fishing Catch and Effort in Cockburn Sound and Owen Anchorage during 1996/97, 2001/02 and 2005/06 April 20th 2012 Neil Sumner and Eva Lai Fisheries Research Division Western Australian Fisheries and Marine Research Laboratories PO Box 20 NORTH BEACH, Western Australia 6920 Correct citation: Sumner, N. and Lai, E. (2012). Boat-based Recreational Fishing Catch and Effort in Cockburn Sound and Owen Anchorage during 1996/97, 2001/02 and 2005/06. Fisheries Research Contract Report No. 23. Department of Fisheries, Western Australia. 16p. Enquiries: WA Fisheries and Marine Research Laboratories, PO Box 20, North Beach, WA 6920 Tel: +61 8 9203 0111 Email: [email protected] Website: www.fish.wa.gov.au ABN: 55 689 794 771 A complete list of Fisheries Research Contract Reports is available online at www.fish.wa.gov.au Cover image: Nick Jarvis © Department of Fisheries, Western Australia. May 2012. ISSN: 1446 - 5868 ISBN: 978-1-921845-42-0 ii Fisheries Research Contract Report [Western Australia] No. 23, 2012 Contents 1.0 Executive Summary ..................................................................................................... 1 2.0 Introduction .................................................................................................................. 2 3.0 Methods ......................................................................................................................... 3 3.1 Boat Ramp Surveys ............................................................................................... -
15.2 Sand Islands and Shoals
15 Islands 15.2 Sand Islands and Shoals Figure 15.1: (A) Aerial view of Troubridge Island and surrounding Troubridge Shoals: (c) Coastal Protection Branch, DEWNR. (B). Troubridge Island: (c) W. Bonham, Lighthouses of Australia. Asset Sand Islands and Shoals Description A crest of sand which rises above water level from a broad marine sand bank, forming an unstable sand island - Troubridge Island - which changes shape and size over time. The island is about 5m high at high tide, and about 2 hectares in area when inundated, but considerable larger at low tide. The island is surrounded by shallow sand embankments (Troubridge Shoals). Examples of Key Little Penguin, Black-faced Cormorant, Crested Tern and other breeding sea Species birds (numerous species) migratory wading birds (numerous species) abundant sand-dwelling invertebrates - food sources for fish and wading birds Pink Snapper King George whiting and school whiting syngnathid fishes (e.g. seahorses, pipefishes) sponges (forming “sponge gardens”, on consolidated sand) cowries; volutes and other specimen shells Knobby Argonaut (‘paper nautilus’ octopus) giant spider crab southern calamari Main Location Troubridge Island (and shallow sandbanks to the west - Troubridge Shoals) Notes Troubridge Island Conservation Park (approx. 260 hectares) was declared in 1982, and extended in 1986, partly to protect major breeding colonies of several seabird species, and provide protection for an important feeding ground used by migratory wading birds, listed under international treaties. Oceanography At the bottom of Gulf St Vincent, off the eastern “heel” of Yorke Peninsula, waters less than 20m occur up to 10km from shore. The oceanographic conditions have led to a long-term build-up of sand in some areas, including the creation of Troubridge Island, a sand island about 7km east of Sultana Point. -
General Intro
For further information, please contact: Coast and Marine Conservation Branch Department of Environment and Natural Resources GPO Box 1047 ADELAIDE SA 5001 Telephone: (08) 8124 4900 Facsimile: (08) 8124 4920 Cite as: Department of Environment and Natural Resources (2010), Environmental, Economic and Social Values of the Thorny Passage Marine Park, Department of Environment and Natural Resources, South Australia Mapping information: All maps created by the Department of Environment and Natural Resources unless otherwise stated. All Rights Reserved. All works and information displayed are subject to Copyright. For the reproduction or publication beyond that permitted by the Copyright Act 1968 (Cwlth) written permission must be sought from the Department. Although every effort has been made to ensure the accuracy of the information displayed, the Department, its agents, officers and employees make no representations, either express or implied, that the information displayed is accurate or fit for any purpose and expressly disclaims all liability for loss or damage arising from reliance upon the information displayed. © Copyright Department of Environment and Natural Resources 2010. 2010 TABLE OF CONTENTS PART 1 VALUES STATEMENT 1 ENVIRONMENTAL VALUES .................................................................................................................... 1 1.1 ECOSYSTEM SERVICES...............................................................................................................................1 1.2 PHYSICAL INFLUENCES -
Biology, Stock Status and Management Summaries for Selected Fish Species in South-Western Australia
Fisheries Research Report No. 242, 2013 Biology, stock status and management summaries for selected fish species in south-western Australia Claire B. Smallwood, S. Alex Hesp and Lynnath E. Beckley Fisheries Research Division Western Australian Fisheries and Marine Research Laboratories PO Box 20 NORTH BEACH, Western Australia 6920 Correct citation: Smallwood, C. B.; Hesp, S. A.; and Beckley, L. E. 2013. Biology, stock status and management summaries for selected fish species in south-western Australia. Fisheries Research Report No. 242. Department of Fisheries, Western Australia. 180pp. Disclaimer The views and opinions expressed in this publication are those of the authors and do not necessarily reflect those of the Department of Fisheries Western Australia. While reasonable efforts have been made to ensure that the contents of this publication are factually correct, the Department of Fisheries Western Australia does not accept responsibility for the accuracy or completeness of the contents, and shall not be liable for any loss or damage that may be occasioned directly or indirectly through the use of, or reliance on, the contents of this publication. Fish illustrations Illustrations © R. Swainston / www.anima.net.au We dedicate this guide to the memory of our friend and colleague, Ben Chuwen Department of Fisheries 3rd floor SGIO Atrium 168 – 170 St Georges Terrace PERTH WA 6000 Telephone: (08) 9482 7333 Facsimile: (08) 9482 7389 Website: www.fish.wa.gov.au ABN: 55 689 794 771 Published by Department of Fisheries, Perth, Western Australia. Fisheries Research Report No. 242, March 2013. ISSN: 1035 - 4549 ISBN: 978-1-921845-56-7 ii Fisheries Research Report No.242, 2013 Contents ACKNOWLEDGEMENTS ............................................................................................... -
Fish Assemblage Structure, Movement and Recruitment in the Coorong and Lower Lakes in 2018/19
Fish assemblage structure, movement and recruitment in the Coorong and Lower Lakes in 2018/19 C. M. Bice, B. P. Zampatti and J. Fredberg SARDI Publication No. F2011/000186-9 SARDI Research Report Series No. 1043 SARDI Aquatics Sciences PO Box 120 Henley Beach SA 5022 December 2019 Bice et al. (2019) Coorong fish assemblage structure, movement and recruitment 2018/19 Fish assemblage structure, movement and recruitment in the Coorong and Lower Lakes in 2018/19 C. M. Bice, B. P. Zampatti and J. Fredberg SARDI Publication No. F2011/000186-9 SARDI Research Report Series No. 1043 December 2019 II Bice et al. (2019) Coorong fish assemblage structure, movement and recruitment 2018/19 This publication may be cited as: Bice, C. M., Zampatti, B. P. and Fredberg, J. (2019). Fish assemblage structure, movement and recruitment in the Coorong and Lower Lakes in 2018/19. South Australian Research and Development Institute (Aquatic Sciences), Adelaide. SARDI Publication No. F2011/000186-9. SARDI Research Report Series No. 1043. 67pp. SARDI Aquatic Sciences 2 Hamra Avenue West Beach SA 5024 Telephone: (08) 8207 5400 Facsimile: (08) 8207 5415 http://www.pir.sa.gov.au/research DISCLAIMER The contents of this publication do not purport to represent the position of the Commonwealth of Australia or the MDBA in any way and are presented for the purpose of informing and stimulating discussion for improved management of the Basin's natural resources. To the extent permitted by law, the copyright holders (including its employees and consultants) exclude all liability to any person for any consequences, including but not limited to all losses, damages, costs, expenses and any other compensation, arising directly or indirectly from using this report (in part or in whole) and any information or material contained in it. -
Boating & Fishing Four Seasons on Kangaroo Island
OPEN ALL YEAR Four Seasons of Boating & Fishing on Kangaroo Island It’s hard not to boast about the fishing around Kangaroo Island. Discover more Some say it has the finest eating and game fishing in southern Launch your boat from Kangaroo Island Council ramps at waters. American River, Bay of Shoals (Kingscote), Christmas Cove (Penneshaw) for a fee, or from Baudin Beach or Emu Bay for free. Fishing is a daily ritual of many Kangaroo Islanders, and if See www.kangarooisland.sa.gov.au/boating for more information anyone knows, a local does. So, dangle a line from a jetty, cast and beach launching locations. off from a beach or charter a deep-sea boat – and enjoy. Kangaroo Island’s mostly moderate weather allows recreational Kangaroo Island fish, and their habitat and breeding grounds, are fishing all year round. protected by Marine Parks and Marine Park Sanctuary Zones. See www.marineparks.sa.gov.au and download the app with Check limits on size, bag, boat and possession for all fish and offline maps, or check the signs at launch points across the shellfish, and season closures, for example for Rock Lobster and island. Recreational fishing is allowed everywhere except Snapper, on the fishing regulations app (www.pir.sa.gov.au). Sanctuary Zones and Restricted Access Areas. That leaves most Tourism Kangaroo Island’s Gateway Visitor Centre jetties, bays, beaches, rocks and waters around Kangaroo Island (www.tourkangarooisland.com.au) will point you towards the best free for your fishing pleasure. fishing spots and hire of boats and fishing gear, or can book you a fishing charter. -
Recreational Fishing Guide 2021
Department of Primary Industries and Regional Development Recreational fishing guide 2021 New rules apply from 1 July 2021 see page 3 for details Includes Statewide bag and size limits for Western Australia, and Recreational Fishing from Boat Licence information Published June 2021 Page i Important disclaimer The Director General of the Department of Primary Industries and Regional Development (DPIRD) and the State of Western Australia accept no liability whatsoever by reason of negligence or otherwise arising from the use or release of this information or any part of it. This publication is to provide assistance or information. It is only a guide and does not replace the Fish Resources Management Act 1994 or the Fish Resources Management Regulations 1995. It cannot be used as a defence in a court of law. The information provided is current at the date of printing but may be subject to change. For the most up-to-date information on fishing and full details of legislation contact select DPIRD offices or visit dpird.wa.gov.au Copyright © State of Western Australia (Department of Primary Industries and Regional Development) 2021 Front cover photo: Tourism WA Department of Primary Industries and Regional Development Gordon Stephenson House, 140 William Street, Perth WA 6000 +61 1300 374 731 [email protected] dpird.wa.gov.au Page ii Contents Fish for the future .............................................2 Using this guide .................................................2 Changes to the rules – 2021 .............................3 -
WEST WIND TREASURER: Gary Brown CLERK of SCALES/COORDINATOR: Phil Guglielmi BOOKING OFFICER: Trip Specific Western Districts Angling and Game Fishing Club Inc
1 PRESIDENT: Vacant VICE PRESIDENT: Paul Salotti SECRETARY: Vacant WEST WIND TREASURER: Gary Brown CLERK OF SCALES/COORDINATOR: Phil Guglielmi BOOKING OFFICER: Trip Specific Western Districts Angling and Game Fishing Club Inc. meets on the second Tuesday of NEWSLETTER EDITOR: Carolyn Bryne each month at 7.30pm at the Western Youth Centre, 79 Marion Road, Cowandilla. COMMITTEE: All Office Bearers We are trying our best to get the information about the club through to you. PUBLIC OFFICER: Gary Brown Yet, mailing out the printed copy of this newsletter is costing us a lot of time AAA REPRESENTATIVES: Ian Hoskin and also money. If you want to be among the first to receive the monthly SA PISCATORIAL COUNCIL: Paul Salotti, Helen Salotti newsletter, switch to the email distribution by sending me your email On the web: www.wdac.org.au address to [email protected] January 2012 The Official Newsletter of the Western Districts Angling and Game Fishing Club Inc. February Trip – Sunday 12th February Meeting News Tippara Rocks th Next meeting is on the 14 February at Western We will be fishing at Tippara rocks which is just north Youth Centre, Marion Road, Cowandilla of Balgowan on Yorke Peninsula. Meet at the Balgowan Shop at 8:00am. Lines out will be decided on the morning and will depend on the Upcoming Trips state of the tide. This is a beach and rock trip. The beach is similar to Sunday 15th January Glenelg Beach with firm white sand. At the end of the beach is a reef and this is where the main action Tennyson Beach will be. -
Proximate Composition, Energy, Fatty Acid, Sodium, and Cholesterol Content of Finfish, Shellfish, and Their Products
I lW\! " O.~~ NOAA Technical Report NMFS 55 July 1987 Proximate Composition, Energy, Fatty Acid, Sodium, and Cholesterol Content of Finfish, Shellfish, and their Products Judith Krzynowek Jenny Murphy u.s. DEPARTMENT OF COMMERCE National Oceanic and Atmospheric Administration National Marine Fisheries Service NOAA TECHNICAL REPORT NMFS The major responsibilities of the National Marine Fisheries Service (NMFS) are to monitor and assess the abundance and geographic distribution of fishery resources, to understand and predict fluctuations in the quantity and distribution of these resources, and to establish levels for their optimum use. NMFS is also charged with the development and implementation of policies for managing national fishing grounds, development and enforcement of domestic fisheries regulations, surveillance of foreign fishing off United States coastal waters, and the development and enforcement of international fishery agreements and policies. NMFS also assists the fishing industry through marketing service and economic analysis programs. and mortgage insurance and vessel construction subsidies. It collects, analyzes, and publishes statistics on various phases of the industry. The NOAA Technical Report NMFS series was established in 1983 to replace two subcategories of the Technical Reports series: "Special Scientific Report-Fisheries" and "Circular." The series contains the following types of reports: Scientific investigations that document long-term continuing programs of NMFS; intensive scientific reports on studies of restricted scope; papers on applied fishery problems; technical reports of general interest intended to aid conservation and management; reports that review in con siderable detail and at a high technical level certain broad areas of research; and technical papers originating in economics studies and from management investigations.