Sandy & Muddy Shore Guide
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Show RESPECT FOR SEASHORE CREATURES Northern NZ Tread carefully. Leave creatures where you found them. Leave attached seaweed in place. Handle creatures with care - close to the Sandy & Muddy ground with wet hands. Carefully put sediment and rocks back to the same location you found them. Limit your collection of empty shells as other Shore Guide creatures may use them as homes. AVOID DISTURBING WILDLIFE Keep your distance from seabirds including penguins. Keep your distance from seals and sea lions. Use the zoom on your camera or binoculars for close viewing. If sea lions approach you - back away slowly. Keep dogs under control. Pick up any rubbish found. BE CAREFUL AND KEEP SAFE Check tide times to avoid being cut off by rising tide. Do not explore the seashore alone. Watch for changing weather. Look out for waves - never turn your back to the ocean. Soft mud can be dangerous. If you start to sink turn back. Check signs for any local hazards. The NZ Marine Studies Centre (Dunedin) 6645 2/14 Cre8ive provides expert knowledge, research opportunities, educational programmes and resources for schools about New Zealand’s marine environment. Acknowledgements The Sandy and Muddy Shore Guide, produced by the NZ Marine Studies Centre, Department of Marine Science, A handy guide to the common animals and plants living on University of Otago, is proudly supported and funded by Mobil Oil New Zealand Limited. the sandy and muddy seashores of northern New Zealand. Photographer D. Pagé. Illustrator Graeme Furness. Additional photos R. Taylor, M. Francis, F. Keil, S. Mills, C. Brett, P. Batson, T. Bird and A. O’Neill. © NZ Marine Studies Centre 2014. All Rights Reserved. ISBN: 978-0-473-27597-6 Every effort has been made to ensure the accuracy of this guide at the time of publication. This guide illustrates only some of the more common seashore animals and plants. Visit our website for a comprehensive list, Māori names and information about their ecology. ANEMONES BARNACLES BIVALVES Small Dog Cockle Nut Shell Glycymeris modesta Linucula hartvigiana 30 mm 8 mm Burrowing Anemone Mudflat Anemone Estuarine Barnacle Morning Star Shell Edwardsia neozelanica Anthopleura aureoradiata Attached to cockle shells Austrominius modestus Cockle / Little-neck Clam 20 mm 20 mm 5 mm Tawera spissa Austrovenus stutchburyi 25 mm 50 mm FISH Oblong Venus Clam Venerupis largillierti 60 mm Venus Clam Dosinia subrosea 60 mm Ribbed Venus Clam Estuarine Triplefin Leukoma crassicosta Forsterygion nigripenne Spotted Stargazer 45 mm 90 mm Genyagnus monopterygius 450 mm Wafer Clam Hiatula siliquens Pipi 50 mm Paphies australis 60 mm Sunset Shell Gari canvexa Sole 60 mm Sand Flounder Peltorhamphus spp. Rhombosolea plebeia 350 mm 430 mm CRABS Triangular Trough Clam Northern Tuatua Crassula aequilatera Paphies subtriangulata 70 mm 50 mm Surf Clam Spisula murchisoni 90 mm Burrow opening Stalk-eyed Mud Crab Macrophthalmus hirtipes 35 mm Paddle Crab Ovalipes catharus 150 mm Feeding mark Wedge Shell Pacific Oyster Tunnelling Mud Crab Crassostrea gigas Burrow opening Austrohelice crassa Macomona liliana Hairy-handed Crab Estuarine Pillbox Crab 55 mm 120 mm 20 mm Hemigrapsus crenulatus Halicarcinus whitei 40 mm 10 mm mm 10 20 30 40 50 60 70 80 90 100 110 120 130 140 150 160 170 180 190 200 210 220 230 240 250 260 270 280 290 300 310 320 330 340 350 360 370 380 390 400 410 420 430 440 450 460 470 480 490 500 510 520 530 540 550 560 570 SHRIMPS & HOPPERS SNAILS & LIMPETs Isopod Scyphax ornatus Estuarine Limpet 10 mm Topshell Notoacmea sp. Cantharidus huttonii 11 mm 12 mm Horn Snail Zeacumantus subcarinatus 15 mm Burrows Snapping Shrimp Southern Olive Snail Sandhopper Alpheus richardsoni Amalda australis Bellorchestia quoyana 65 mm Large Horn Snail 30 mm Long Burrowing Amphipod 14 mm Zeacumantus lutulentus Paracorophium excavatum 25 mm 3 mm Male Wheel Snail Zethalia zelandica Burrow entrance and exit Burrow opening 22 mm Mudflat Topshell Female Sand Shrimp Diloma subrostrata Ghost Shrimp Mantis Shrimp Philocheras australis 30 mm 40 mm Mud Snail Biffarius filholi Heterosquilla tricarinata Amphibola crenata 60 mm 75 mm 30 mm Arabic Volute Alcithoe arabica Auger Shell 100 mm Pervicacia tristis WORMS 24 mm Spaghetti Worm Family Terebellidae 40 mm Olive Bubble Shell Cockle Shell Worm Bulla quoyii Boccardia sp. 55 mm Necklace Snail Oweniid Worm 20 mm Tanea zelandica Family Oweniidae Cirratulid Worm 33 mm 45 mm Family Cirratulidae Ostrich Foot Snail 100 mm Struthiolaria papulosa 60 mm White Bubble Shell Ragworm Ostrich Foot Whelk Haminoea zelandiae Ribbon Worm Family Nereididae Pelicaria vermis 20 mm Phylum Nemertea 100 mm 40 mm 200 mm Catworm Family Nephtyidae 100 mm Australian Dog Whelk Mudflat Whelk Nassarius burchardi Lugworm Cominella glandiformis 12 mm Abarenicola affinis 25 mm Bamboo Worm 100 mm Family Maldanidae Blood Worm Small Turret 130 mm Family Glyceridae Stiracolpus pagoda 30 mm Speckled Whelk 130 mm Cominella adspersa 45 mm Faecal casts Polychaete Worm Family Orbiniidae Turret Shell Faecal casts 100 mm Maoricolpus roseus Wentletrap 80 mm Cirsotrema zelebori 22 mm SEAWEED & Diatoms PLANTs Eelgrass Zostera muelleri 300 mm Shore Spurge Euphorbia glauca 500 mm Glasswort Sarcocornia quinqueflora 150 mm Graciliaria Gracilaria chilensis Tree Lupin 500 mm Lupinus arboreus 1500 mm Sea Lettuce Filamentous Red Ulva spp. Polysiphonia spp. 300 mm 150 mm Pīngao Ficinia spiralis 900 mm Spume (Diatom matter) Benthic Diatom Marram Grass (green scum) Spinifex Ammophila arenaria Spinifex sericeus 1200 mm 300 mm DRIFT SEA URCHINS Violet Snail Sand Dollar Janthina sp. Fellaster zelandiae 45 mm 100 mm Ram’s Horn Squid Shell Spirula spirula 30 mm Blue Bottle Jellyfish Physalia physalia Jointed Wire Rush 150 mm Apodasmia similis 1500 mm Mangrove Knobby Clubrush Avicenna marina australasica Pelagic Barnacles Isolepis nodosa Leafless Rush 2000 mm Lepas anatifera 1500 mm Juncus edgariae 40 mm 2000 mm Heart Urchin Echinocardium cordatum 90 mm.