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Titlow Beach Tidepool Checklist Tiptoe through the Tidepools and help keep the beach a special place! * No collecting—leave all plant and animal life where you find it. * If turning over rocks during your exploration, be sure to place the rock gently back where you found it to protect the animal life. Check in with a beach naturalist for more information about beach etiquette or the tidepool life. Plants Red algae Turkish towel (pictured) Rainbow Tidepool Plant Tidbits Brown Algae ‘Seaweed’ is a loose Bull kelp colloquial term for Sugar kelp several groups of Seersucker multi-cellular algae. Rockweed Although classified as red, brown or green algae Green Algae by it’s structure, these Sea lettuce plants are many different Sea confetti colors. For example, Vascular Plants Turkish towel can often Eelgrass appear more purple or black, than red. Birds This is just a partial listing of some of the birds that might be observed at Titlow Beach Glaucus-winged Gull Western Gull Dunlin Common Crow Bufflehead Western Grebe Kingfisher Great Blue Heron Canada Goose Black Turnstone Double-crested Cormorant Titlow Tidepool Animals Anemones Octopus Aggregate anemone Giant Pacific octopus Green anemone Red octopus Sun anemone Sea pen Amphipods Flatworms Beach hopper (Sand flea) Leaf worm Barnacles Polychaetes Acorn barnacle Calcareous tube worm Giant barnacle Feather duster worm Crabs Lug worm Sand worm Decorator crab Blood worm Clam worm Dungeness crab Paddle worm Scale worm Graceful crab Spiral tube worm Mud worm Green kelp crab Chitons Small kelp crab Black chiton Lined chiton Hairy hermit crab Gumboot chiton Mossy chiton Purple shore crab Yellow shore crab (Hairy crab) Limpets Red rock crab Finger limpet Shield limpet Isopods Mask limpet Drab isopod Green isopod Rough keyhole limpet Shrimp Nudibranchs Broken back Coonstripe Sea lemon Sea Cucumbers Opalescent nudibranch Burrowing cucumber Striped nudibranch Red cucumber Stichopus Snails White cucumber Bittium Sea Stars Checkered periwinkle Blood star Sitka periwinkle Leather star Dog whelk Mottled star Wrinkled snail Purple star (Orange star) Lacuna Six rayed star Leafy hornmouth Sunstar Moon snail Moon snail egg collar Sunflower Clams Fish Bent nose Penpoint gunnel Butter clam Horse clam Tidepool gunnel Little neck clam Sand clam Crested blenny Oysters Saddled blenny Jingle shell Starry flounder Mussel Shiner seaperch Blue mussel Northern clingfish .

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Crepidula Fornicata
NOBANIS - Marine invasive species in Nordic waters - Fact Sheet Crepidula fornicata Author of this species fact sheet: Kathe R. Jensen, Zoological Museum, Natural History Museum of Denmark, Universiteteparken 15, 2100 København Ø, Denmark. Phone: +45 353-21083, E-mail: [email protected] Bibliographical reference – how to cite this fact sheet: Jensen, Kathe R. (2010): NOBANIS – Invasive Alien Species Fact Sheet – Crepidula fornicata – From: Identification key to marine invasive species in Nordic waters – NOBANIS www.nobanis.org, Date of access x/x/201x. Species description Species name Crepidula fornicata, Linnaeus, 1758 – Slipper limpet Synonyms Patella fornicata Linnaeus, 1758; Crepidula densata Conrad, 1871; Crepidula virginica Conrad, 1871; Crepidula maculata Rigacci, 1866; Crepidula mexicana Rigacci, 1866; Crepidula violacea Rigacci, 1866; Crepidula roseae Petuch, 1991; Crypta nautarum Mörch, 1877; Crepidula nautiloides auct. NON Lesson, 1834 (ISSG Database; Minchin, 2008). Common names Tøffelsnegl (DK, NO), Slipper limpet, American slipper limpet, Common slipper snail (UK, USA), Østerspest (NO), Ostronpest (SE), Amerikanische Pantoffelschnecke (DE), La crépidule (FR), Muiltje (NL), Seba (E). Identification Crepidula fornicata usually sit in stacks on a hard substrate, e.g., a shell of other molluscs, boulders or rocky outcroppings. Up to 13 animals have been reported in one stack, but usually 4-6 animals are seen in a stack. Individual shells are up to about 60 mm in length, cap-shaped, distinctly longer than wide. The “spire” is almost invisible, slightly skewed to the right posterior end of the shell. Shell height is highly variable. Inside the body whorl is a characteristic calcareous shell-plate (septum) behind which the visceral mass is protected.
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Algae & Marine Plants of Point Reyes
Algae & Marine Plants of Point Reyes Green Algae or Chlorophyta Genus/Species Common Name Acrosiphonia coalita Green rope, Tangled weed Blidingia minima Blidingia minima var. vexata Dwarf sea hair Bryopsis corticulans Cladophora columbiana Green tuft alga Codium fragile subsp. californicum Sea staghorn Codium setchellii Smooth spongy cushion, Green spongy cushion Trentepohlia aurea Ulva californica Ulva fenestrata Sea lettuce Ulva intestinalis Sea hair, Sea lettuce, Gutweed, Grass kelp Ulva linza Ulva taeniata Urospora sp. Brown Algae or Ochrophyta Genus/Species Common Name Alaria marginata Ribbon kelp, Winged kelp Analipus japonicus Fir branch seaweed, Sea fir Coilodesme californica Dactylosiphon bullosus Desmarestia herbacea Desmarestia latifrons Egregia menziesii Feather boa Fucus distichus Bladderwrack, Rockweed Haplogloia andersonii Anderson's gooey brown Laminaria setchellii Southern stiff-stiped kelp Laminaria sinclairii Leathesia marina Sea cauliflower Melanosiphon intestinalis Twisted sea tubes Nereocystis luetkeana Bull kelp, Bullwhip kelp, Bladder wrack, Edible kelp, Ribbon kelp Pelvetiopsis limitata Petalonia fascia False kelp Petrospongium rugosum Phaeostrophion irregulare Sand-scoured false kelp Pterygophora californica Woody-stemmed kelp, Stalked kelp, Walking kelp Ralfsia sp. Silvetia compressa Rockweed Stephanocystis osmundacea Page 1 of 4 Red Algae or Rhodophyta Genus/Species Common Name Ahnfeltia fastigiata Bushy Ahnfelt's seaweed Ahnfeltiopsis linearis Anisocladella pacifica Bangia sp. Bossiella dichotoma Bossiella
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Commercial Performance of Blue Mussel (Mytilus Edulis, L.) Stocks at a Microgeographic Scale
Journal of Marine Science and Engineering Article Commercial Performance of Blue Mussel (Mytilus edulis, L.) Stocks at a Microgeographic Scale Efflam Guillou 1, Carole Cyr 2, Jean-François Laplante 2, François Bourque 3, Nicolas Toupoint 1,2,* and Réjean Tremblay 1 1 Institut des Sciences de la Mer de Rimouski (ISMER), Université du Québec à Rimouski (UQAR), 310 Allée des Ursulines, CP 3300, Rimouski, QC G5L 3A1, Canada; Effl[email protected] (E.G.); [email protected] (R.T.) 2 MERINOV, Centre d’Innovation de l’aquaculture et des pêches du Québec, Secteur Aquaculture, 107-125 Chemin du Parc, Cap-aux-Meules, QC G4T 1B3, Canada; [email protected] (C.C.); [email protected] (J.-F.L.) 3 Ministry of Agriculture, Fisheries and Food of Québec (MAPAQ - Ministère de l’Agriculture, des Pêcheries et de l’Alimentation du Québec), Fisheries and commercial aquaculture branch, 101-125, Chemin du Parc, Cap-aux-Meules, QC G4T 1B3, Canada; [email protected] * Correspondence: [email protected]; Tel.: +1-(418)-986-4795 (#3227) Received: 18 April 2020; Accepted: 23 May 2020; Published: 26 May 2020 Abstract: Bivalve aquaculture is an important component of the economy in eastern Canada. Because of current social, environmental, economic, and resource constraints, offshore mussel cultivation seems to be a promising strategy. With the objective of optimizing farming strategies that support the sustainability and development of the mussel industry at a microgeographic scale, we evaluated, after a traditional two year production cycle, the commercial performance of spat from several mussel (Mytilus edulis) stocks originating from sites separated by less than 65 km and cultivated at two different grow-out sites (shallow lagoon and offshore waters).
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Marine Invertebrate Field Guide
Marine Invertebrate Field Guide Contents ANEMONES ....................................................................................................................................................................................... 2 AGGREGATING ANEMONE (ANTHOPLEURA ELEGANTISSIMA) ............................................................................................................................... 2 BROODING ANEMONE (EPIACTIS PROLIFERA) ................................................................................................................................................... 2 CHRISTMAS ANEMONE (URTICINA CRASSICORNIS) ............................................................................................................................................ 3 PLUMOSE ANEMONE (METRIDIUM SENILE) ..................................................................................................................................................... 3 BARNACLES ....................................................................................................................................................................................... 4 ACORN BARNACLE (BALANUS GLANDULA) ....................................................................................................................................................... 4 HAYSTACK BARNACLE (SEMIBALANUS CARIOSUS) .............................................................................................................................................. 4 CHITONS ...........................................................................................................................................................................................
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The American Slipper Limpet Crepidula Fornicata (L.) in the Northern Wadden Sea 70 Years After Its Introduction
Helgol Mar Res (2003) 57:27–33 DOI 10.1007/s10152-002-0119-x ORIGINAL ARTICLE D. W. Thieltges · M. Strasser · K. Reise The American slipper limpet Crepidula fornicata (L.) in the northern Wadden Sea 70 years after its introduction Received: 14 December 2001 / Accepted: 15 August 2001 / Published online: 25 September 2002 © Springer-Verlag and AWI 2002 Abstract In 1934 the American slipper limpet 1997). In the centre of its European distributional range Crepidula fornicata (L.) was first recorded in the north- a population explosion has been observed on the Atlantic ern Wadden Sea in the Sylt-Rømø basin, presumably im- coast of France, southern England and the southern ported with Dutch oysters in the preceding years. The Netherlands. This is well documented (reviewed by present account is the first investigation of the Crepidula Blanchard 1997) and sparked a variety of studies on the population since its early spread on the former oyster ecological and economic impacts of Crepidula. The eco- beds was studied in 1948. A field survey in 2000 re- logical impacts of Crepidula are manifold, and include vealed the greatest abundance of Crepidula in the inter- the following: tidal/subtidal transition zone on mussel (Mytilus edulis) (1) Accumulation of pseudofaeces and of fine sediment beds. Here, average abundance and biomass was 141 m–2 through the filtration activity of Crepidula and indi- and 30 g organic dry weight per square metre, respec- viduals protruding in stacks into the water column. tively. On tidal flats with regular and extended periods of This was reported to cause changes in sediments and emersion as well as in the subtidal with swift currents in near-bottom currents (Ehrhold et al.
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Giant Pacific Octopus (Enteroctopus Dofleini) Care Manual
Giant Pacific Octopus Insert Photo within this space (Enteroctopus dofleini) Care Manual CREATED BY AZA Aquatic Invertebrate Taxonomic Advisory Group IN ASSOCIATION WITH AZA Animal Welfare Committee Giant Pacific Octopus (Enteroctopus dofleini) Care Manual Giant Pacific Octopus (Enteroctopus dofleini) Care Manual Published by the Association of Zoos and Aquariums in association with the AZA Animal Welfare Committee Formal Citation: AZA Aquatic Invertebrate Taxon Advisory Group (AITAG) (2014). Giant Pacific Octopus (Enteroctopus dofleini) Care Manual. Association of Zoos and Aquariums, Silver Spring, MD. Original Completion Date: September 2014 Dedication: This work is dedicated to the memory of Roland C. Anderson, who passed away suddenly before its completion. No one person is more responsible for advancing and elevating the state of husbandry of this species, and we hope his lifelong body of work will inspire the next generation of aquarists towards the same ideals. Authors and Significant Contributors: Barrett L. Christie, The Dallas Zoo and Children’s Aquarium at Fair Park, AITAG Steering Committee Alan Peters, Smithsonian Institution, National Zoological Park, AITAG Steering Committee Gregory J. Barord, City University of New York, AITAG Advisor Mark J. Rehling, Cleveland Metroparks Zoo Roland C. Anderson, PhD Reviewers: Mike Brittsan, Columbus Zoo and Aquarium Paula Carlson, Dallas World Aquarium Marie Collins, Sea Life Aquarium Carlsbad David DeNardo, New York Aquarium Joshua Frey Sr., Downtown Aquarium Houston Jay Hemdal, Toledo
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Shellfish Regulations
Town of Nantucket Shellfishing Policy and Regulations As Adopted on March 4, 2015 by Nantucket Board of Selectmen Amended March 23, 2016; Amended April 20, 2016 Under Authority of Massachusetts General Law, Chapter 130 Under Authority of Chapter 122 of the Code of the Town of Nantucket TABLE OF CONTENTS Section 1 – Shellfishing Policy for the Town of Nantucket/Purpose of Regulations Section 2 – General Regulations (Applying to Recreational, Commercial and Aquaculture Licenses) 2.1 - License or Permit Required 2.2 - Areas Where Recreational or Commercial Shellfishing May Occur 2.3 - Daily Limit 2.4 - Landing Shellfish 2.5 - Daily Time Limit 2.6 - Closures and Red Flag 2.7 - Temperature Restrictions 2.8 - Habitat Sensitive Areas 2.9 - Bay Scallop Strandings 2.10 - Poaching 2.11 - Disturbance of Licensed or Closed Areas 2.12 - Inspection on Demand 2.13 - Possession of Seed 2.14 - Methods of Taking 2.15 – SCUBA Diving and Snorkeling 2.16 - Transplanting, Shipping, and Storing of Live Shellfish 2.16a - Transplanting Shellfish Outside Town Waters 2.16b - Shipping of Live Shellfish for Broodstock Purposes 2.16c - Transplanting Shellfish into Town Waters 2.16d - Harvesting Seed from the Wild Not Allowed 2.16e - Wet Storage of Recreational Shellfish Prohibited. 2.17 - By-Catch 2.18 - Catch Reports Provided to the Town 2.18a - Commercial Catch Reports 2.18b - Recreational Catch Reports Section 3 – Recreational (Non-commercial) Shellfishing 3.1 - Permits 3.1a - No Transfers or Refunds 3.1b - Recreational License Fees 3.2 - Cannot Harvest for Commerce
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Snails, Limpets and Chitons: Moving on Edited by Holly Anne Foley and Karen Mattick Marine Science Center, Poulsbo, Washington
TEACHER BACKGROUND Unit 3 - Tides and the Rocky Shore Snails, Limpets and Chitons: Moving On Edited by Holly Anne Foley and Karen Mattick Marine Science Center, Poulsbo, Washington Key Concepts 1. Snails, limpets and chitons each crawl on rocks with a muscular foot to find food and more favorable conditions. 2. These mobile animals also adhere tightly to rocks to survive low tide and to deter predators. Background Some of the most common animals in rocky shore habitats are the snails, limpets and chitons. Unlike barnacles, these animals are mobile. They each have a muscular foot that moves in contractions which appear as waves. The wave movement propels the animal forward a minute step at a time. The wave of contraction push-pulls the animal along. The slime trail snails, limpets and chitons leave has unique chemical properties that alternately act as a glue then as a lubricant depending on the pressure placed on the slime by the animal. The stationary portion is held in place by the glue as the moving portion is easily moved over the lubricated surface. Materials For each student or pair of students: • 1 snail, limpet or chiton • 1 glass jar with a lid • sea water • washable felt marker such as an overhead transparency pen • 30 cm or so string • millimeter ruler • “Snails, Limpets and Chitons: Moving On” student pages Teaching Hints “Snails, Limpets and Chitons: Moving On” gives your students a chance to observe movement in a living marine gastropod or the similar chitons. You can readily obtain periwinkles (Littorina species) or other snails, limpets or chitons from the intertidal zone or from biological supply houses.
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Eight Arms, with Attitude
The link information below provides a persistent link to the article you've requested. Persistent link to this record: Following the link below will bring you to the start of the article or citation. Cut and Paste: To place article links in an external web document, simply copy and paste the HTML below, starting with "<a href" To continue, in Internet Explorer, select FILE then SAVE AS from your browser's toolbar above. Be sure to save as a plain text file (.txt) or a 'Web Page, HTML only' file (.html). In Netscape, select FILE then SAVE AS from your browser's toolbar above. Record: 1 Title: Eight Arms, With Attitude. Authors: Mather, Jennifer A. Source: Natural History; Feb2007, Vol. 116 Issue 1, p30-36, 7p, 5 Color Photographs Document Type: Article Subject Terms: *OCTOPUSES *ANIMAL behavior *ANIMAL intelligence *PLAY *PROBLEM solving *PERSONALITY *CONSCIOUSNESS in animals Abstract: The article offers information on the behavior of octopuses. The intelligence of octopuses has long been noted, and to some extent studied. But in recent years, play, and problem-solving skills has both added to and elaborated the list of their remarkable attributes. Personality is hard to define, but one can begin to describe it as a unique pattern of individual behavior that remains consistent over time and in a variety of circumstances. It will be hard to say for sure whether octopuses possess consciousness in some simple form. Full Text Word Count: 3643 ISSN: 00280712 Accession Number: 23711589 Persistent link to this http://0-search.ebscohost.com.library.bennington.edu/login.aspx?direct=true&db=aph&AN=23711589&site=ehost-live
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Pierce County Nearshore Species List Compiled from the Pt
Pierce County Nearshore Species List Compiled from the Pt. Defiance Park Bioblitz 2011 ID COMMON NAME √ ID COMMON NAME √ 31 Acorn barnacle X 34 Hermit crab sp. X 43 Aggregate green anemone X 35 Isopod sp. X 30 Amphipod sp. X 36 Jellyfish sp. X 95 Anemone sp. 73 Large leaf worm X 60 Barnacle nudibranch X 12 Leafy hornmouth X 48 Barnacle sp. X 74 Leather limpet 68 Bent-nose macoma 13 Leather star X 69 Black and white brittle star 14 Lewis's moonsnail X 92 Black turban X 37 Limpet sp. 63 Blood star X 75 Lined chiton X 56 Butter clam X 76 Lined ribbon worm 65 Calcareous tube worm X 108 Mask limpet X 103 California mussel X 67 Moon jellyfish X 1 California sea cucumber 32 Mossy chiton X 53 Checkered periwinkle X 61 Mottled star X 32 Chiton sp. 38 Mussel sp. X 33 Clam sp. X 77 Northern feather duster w X 70 Coonstripe shrimp 15 Northern kelp crab 59 Crab sp. X 39 Nudibranch sp. X 96 Dog welk sp. X 78 Nuttall's cockle 93 Dogwinkle sp. X 62 Ochre star X 3 Dungeness crab X 16 Opalescent (aeolid) nudib X 57 Eccentric sand dollar X 17 Orange sea cucumber X 112 Fat gaper X 18 Orange sea pen 4 Feathery shipworm X 19 Oregon triton 5 Fish-eating anemone 40 Oyster sp. 101 Flat porcelain crab 79 Pacific blue mussel X 6 Fringed tube worm 110 Pacific gaper 8 Giant (nudibranch) dendronotid 99 Pacific geoduck clam X 7 Giant barnacle X 80 Pacific oyster 9 Giant pacific octopus 97 Periwinkle sp.
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NIEA ID Guide Crepidula Fornicata Slipper Limpet
Scan for more Slipper Limpet information Species Description Scientific name: Crepidula fornicata AKA: American Slipper Limpet, Common American slippersnail Native to: North-east US Habitat: Wide range of habitats particularly in wave- protected bays, estuaries or sheltered sides of wave- This species has an oval shell, up to 5 cm in length, with a much reduced spire. The large aperture has a shelf, or septum, extending half its length. The shell is smooth with irregular growth lines and white, cream, yellow or pinkish in colour with streaks or blotches of red or brown. Slipper limpets are commonly found in curved chains of up to 12 animals. Large shells are found at the bottom of the chain, with the shells becoming progressively smaller towards the top. Crepidula fornicata is present in Northern Ireland in Belfast Lough and other coastal sites. Other records exist from around Ireland over the last century however, none of these sites are currently thought to be supporting a population. Crepidula fornicata most likely arrived in Ireland with consignments of mussels. Other possible pathways include; with consignments of oysters, on drifting materials or due to dispersal of larvae. Slipper limpet competes with, and can displace, other filter-feeding invertebrates. The species can be a serious pest of oyster and mussel beds. Slipper limpet is listed under Schedule 9 of The Wildlife (Northern Ireland) Order 1985 and as such, it is an offence to release or allow this species to escape into the wild. Key ID Features Tapered point set to one
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Giant Pacific Octopus
A publication by: NORTHWEST WILDLIFE PRESERVATION SOCIETY Giant Pacific Octopus Enteroctopus dofleini Image from the Monterey Bay Aquarium https://www.montereybayaquarium.org By Veronica Pagowski The octopus is an elusive creature with an alien brain. Like humans, these intelligent animals can open jars, recognize faces, and use tools. Yet, only 35% of octopus neurons are located in their brain while 65% can be found in the tentacles. With such powerful, though strangely organized, cognitive systems octopuses have attracted the attention of numerous scientists and aquarists worldwide. The giant Pacific octopus is no exception. Each year, on Valentine’s day, the Seattle Aquarium draws crowds to view giant Pacific octopus mating--an event that can last over an hour. In British Columbia, this species is common enough that divers frequently report sightings. Characteristics The giant Pacific octopus is the largest of roughly 300 known species of octopus, often weighing over 23 kg (50 lbs) with arm spans up to 6 meters (20 feet). The largest recorded weight for this species was over 90 kg (200 lbs). Typically, giant Pacific octopuses are dark red in color with mottled skin, but these animals can quickly change colour or texture to blend in with surroundings. Though giant Pacific octopus colour changes are not as dramatic as the transformations in some other octopus species, colouring can nonetheless range from dark red to white or yellow while skin texture varies from smooth to rugged, flawlessly matching that of kelp or rocks. Each octopus arm can have over 200 suckers- each with the ability to taste, grip, and lift 14 kg (31 lbs).
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