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Crayfish News Volume 38 Issue 4: Page 1 Winter Issue, December 2016 Volume 38, Issue 4 ISSN: 1023-8174 (print), 2150-9239 (online) The Official Newsletter of the International Association of Astacology Inside this issue: First Commonwealth Conservation Listing Cover Story 1 President’s Corner 2 of Euastacus in Queensland, Australia IAA Related News 4 Short Articles 4 More Euastacus in 4 Nigeria? I Doubt It… The Perils of not Being Thorough and Using Common or Colloquial Names The Crayfish Picasso 5 Strikes Again Crayfish Plague 5 Aphanomyces astaci in Japan and the Growing Threat to Australia News Items from 10 Around the World Figure 1. Euastacus bindal Morgan (Photo: Diana Angeliqué Virkki). Meeting 10 Announcements Queensland (Furse et al. 2012), and has a ffective on the 7th of December limited Extent of Occurrence (EOO, IUCN): Additional IAA21 11 2 Photos E 2016, the first freshwater crayfish 1.06 km (Furse et al. 2012). The entire range species from Queensland was listed as of E. bindal is within a National Park (Bowling Literature of Interest 12 Threatened under the Australian Green Bay National Park, southeast of to Astacologists Government Environment Protection and Townsville), however the species still faces Biodiversity Conservation Act 1999 (EPBC numerous threats. Act): Euastacus bindal Morgan (Figure 1), was Post Script – on the 7th of December listed as Critically Endangered. 2016, Euastacus dharawalus Morgan from The species is now listed as Critically New South Wales was also listed as a Endangered under the EPBC Act, Vulnerable Threatened species (Critically Endangered) under the Queensland Nature Conservation under the EPBC Act. Act 1992 (NCA) (Furse et al. 2015), and is Listings of freshwater crayfish under listed as Critically Endangered on the IUCN Commonwealth Legislation are not that Red List (Furse and Coughran 2010). frequent or common, so these recent listings As outlined in Furse et al. (2015) E. are important steps in the assessment and bindal is one of the smaller and less spiny listing of freshwater crayfish in Australia. species of Euastacus, is known from a single Species of freshwater crayfish listed under site near the peak of Mt. Elliot in North (Continued on page 3) Crayfish News Volume 38 Issue 4: Page 1 President’s Corner Dear Crayfish Enthusiasts, and the fishery in the rice fields is of great Winter is here and hopefully our crayfish importance. here in Scandinavia managed to mate before The regulation is a good thing I think, the water got too cold. Now resting in their since the introduction of signal crayfish into hides with the females hopefully berried. Sweden has been a catastrophe for the now Water temperature in Lake Mälaren outside critically endangered native noble crayfish. our institute is still around 6°C but will The introduction that started in the 1960s was Lennart Edsman, Ph.D. eventually get down to just above zero at the done deliberately and legally as a substitute IAA President (Sweden) end of January. After an initial cold spell in the for the fishery of noble crayfish lost due to beginning of November, with air temperatures crayfish plague, which arrived in Sweden in dropping down to -10°C, the temperature now 1907. The logic behind the introduction, at the turn of the year is quite warm again. actually decided by the Swedish parliament, Here in Europe, we have been quite was quite clever. The idea was that the engaged this year with a new EU-regulation coexistence of crayfish and the plague in about Alien Invasive Species. The purpose of North America had made American crayfish the regulation is to counteract the negative immune to the plague. This would solve the effects on nature, biodiversity, mankind and problem for the fishery with crayfish plague the economy of alien plants and animals. The and lost catches here. Unfortunately, it was regulation was voted for and issued January 1 later learned that they actually carry the 2015. The list with the 37 species that the plague and that they also may fall victim to regulation applies to came into force August the disease themselves if stressed. This has 2016. Signal crayfish were one of the species also been seen in the last 10-15 years in on the list. In principle these species are Sweden and Finland, where many signal banned and should be exterminated if crayfish populations have crashed. Apart from possible. This created turmoil and panic in signal crayfish, some other American crayfish Sweden and Finland since there is an species introduced into Europe serve as important crayfish fishery supplying crayfish vectors for spreading the crayfish plague, to our traditional, cultural crayfish parties in which is lethal to noble crayfish and all other August in northern Europe. The fishermen in European crayfish species. some large lakes in the south fetch 90% of Backed up by a few successful examples, their income from the signal crayfish fishery. the demand for the “wonder crayfish” from There have also been protests in southern America was massive in the 1970s and more Spain, since Procambarus clarkii is on the list, than 4000 stocking permits were given by the (Continued on page 3) The International Association of Astacology (IAA), founded in Hintertal, Austria in Officers: 1972, is dedicated to the study, conservation, and wise utilization of freshwater crayfish. Any individual or institution interested in furthering the study of Lennart Edsman, President — Swedish University of Agricultural Sciences, astacology is eligible for membership. Service to members includes a quarterly SLU Aqua, Institute of Freshwater Research, Stangholmsvagen 2, newsletter (Crayfish News), a membership directory, biennial international Drottningholm, Sweden, SE-178 93. symposia and publication of the journalFreshwater Crayfish. E-mail: [email protected] Secretariat: Tadashi Kawai, President-Elect — Fisheries Research Department, Wakkanai Fisheries Research Institute, Wakkanai, Hokkaido, Japan. The International Association of Astacology has a permanent secretariat E-mail: [email protected] managed by James Stoeckel. Address: IAA Secretariat, Room 203, Swingle Hall, Department of Fisheries and Allied Aquacultures, Auburn University, AL 36849- 5419, USA. Javier Diéguez-Uribeondo, Secretary — Real Jardín Botánico, CSIC, Plaza de Murillo 2, 28104 Madrid, Spain. Tel: +1(334) 844-9249 / Fax: +1(334) 844-9208 E-mail: [email protected] E-mail: [email protected] Web page: http://iz.carnegiemnh.org/crayfish/IAA/ Susan B. Adams, Immediate Past President — USDA Forest Service, 1000 Webmaster: James W. Fetzner Jr. Front Street, Oxford, MS, 38655, United States of America. E-mail: [email protected] E-mail: [email protected] Statements and opinions expressed in Crayfish News are IAA Executive Board Members: not necessarily those of the International Association of Astacology. In addition to the IAA Officers and Past President, the Executive Board also includes Jason Coughran (Australia), Antonio Garza de Yta (México), Pavel This issue edited by James W. Fetzner Jr., IAA Managing Editor. Kozák (Czech Republic), Ivana Maguire (Croatia), Steph Parkyn, Chairman of the E-Mail: [email protected] Board (Australia), Alastair Richardson (Tasmania) and Christopher Taylor (USA). Crayfish News Volume 38 Issue 4: Page 2 (Continued from page 2) (Continued from page 1) authorities for Swedish waters in the south. In 1994, seeing the EPBC Act as of January 2017 are as follows (Australian the consequences, the legislation was changed and no more Government Department of Environment and Energy data). permits were given. Introductions now continue at a much larger scale however, but now without permits. Even if the plague had paid its toll on the noble crayfish populations • Critically Endangered: Cherax tenuimanus (listed 2006), before, the introduction of signal crayfish meant a total Engaewa pseudoreducta and Engaewa reducta (both disaster for the noble crayfish. The spread of the crayfish listed 2009), E. bindal and E. dharawalus (both listed plague increased fourfold and is still going on, now driven 2016). only by illegal introductions. Crayfish plague is nowadays • Endangered: Engaeus granulatus (listed 2005), Engaeus hitting the middle and northern part of the country, where martigener and Engaeus spinicaudatus (both listed we still have noble crayfish, and a good noble crayfish 2001), Engaewa walpolea (listed 2009) Euastacus fishery. In all, a lesson to learn. bispinosus (listed 2011). The EU member states have to come up with a management program showing the EU commission how • Vulnerable: Astacopsis gouldi (listed 2000), Engaeus they will tackle the negative effects of the species on the orramakunna and Engaeus yabbimunna (both listed list, and get approval by the commission in January 2018. 2001). H For signal crayfish in Sweden, a risk analysis is being produced and the management program will most likely include restrictions on aquaculture, fishery on illegally James M. Furse stocked populations, and the live transport of signal Miyazaki International College crayfish. The program was created by taking into account Miyazaki, Japan and Environmental Futures Research Institute comments from NGO’s, and regional and national Griffith University, Queensland, Australia authorities. Different rules will probably apply to different Email: [email protected] parts of the country, taking into account the distribution of both the introduced and the native species in the country. References A total extermination of signal crayfish is not possible or Furse JM, Bone JWP, Appleton SD, Leland JC and Coughran J realistic. (2012). Conservation of imperiled crayfish - Euastacus On the positive side, some really good things have bindal (Decapoda: Parastacidae), a highland crayfish happened in connection to the IAA. The IAA webpage, from far north Queensland, Australia. Journal of masterly managed by Jim Fetzner, is no longer a Beta Crustacean Biology 32(4): 677-683. version but has developed into a sharp version. It looks Furse JM and Coughran J (2010). Euastacus bindal. In: IUCN Red fantastic and combines great functionality and design with List of threatened species (Version 2015.2).
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