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Characterization of Arm Autotomy in the Octopus, Abdopus Aculeatus (D’Orbigny, 1834)
Characterization of Arm Autotomy in the Octopus, Abdopus aculeatus (d’Orbigny, 1834) By Jean Sagman Alupay A dissertation submitted in partial satisfaction of the requirements for the degree of Doctor of Philosophy in Integrative Biology in the Graduate Division of the University of California, Berkeley Committee in charge: Professor Roy L. Caldwell, Chair Professor David Lindberg Professor Damian Elias Fall 2013 ABSTRACT Characterization of Arm Autotomy in the Octopus, Abdopus aculeatus (d’Orbigny, 1834) By Jean Sagman Alupay Doctor of Philosophy in Integrative Biology University of California, Berkeley Professor Roy L. Caldwell, Chair Autotomy is the shedding of a body part as a means of secondary defense against a predator that has already made contact with the organism. This defense mechanism has been widely studied in a few model taxa, specifically lizards, a few groups of arthropods, and some echinoderms. All of these model organisms have a hard endo- or exo-skeleton surrounding the autotomized body part. There are several animals that are capable of autotomizing a limb but do not exhibit the same biological trends that these model organisms have in common. As a result, the mechanisms that underlie autotomy in the hard-bodied animals may not apply for soft bodied organisms. A behavioral ecology approach was used to study arm autotomy in the octopus, Abdopus aculeatus. Investigations concentrated on understanding the mechanistic underpinnings and adaptive value of autotomy in this soft-bodied animal. A. aculeatus was observed in the field on Mactan Island, Philippines in the dry and wet seasons, and compared with populations previously studied in Indonesia. -
Caenogastropoda
13 Caenogastropoda Winston F. Ponder, Donald J. Colgan, John M. Healy, Alexander Nützel, Luiz R. L. Simone, and Ellen E. Strong Caenogastropods comprise about 60% of living Many caenogastropods are well-known gastropod species and include a large number marine snails and include the Littorinidae (peri- of ecologically and commercially important winkles), Cypraeidae (cowries), Cerithiidae (creep- marine families. They have undergone an ers), Calyptraeidae (slipper limpets), Tonnidae extraordinary adaptive radiation, resulting in (tuns), Cassidae (helmet shells), Ranellidae (tri- considerable morphological, ecological, physi- tons), Strombidae (strombs), Naticidae (moon ological, and behavioral diversity. There is a snails), Muricidae (rock shells, oyster drills, etc.), wide array of often convergent shell morpholo- Volutidae (balers, etc.), Mitridae (miters), Buccin- gies (Figure 13.1), with the typically coiled shell idae (whelks), Terebridae (augers), and Conidae being tall-spired to globose or fl attened, with (cones). There are also well-known freshwater some uncoiled or limpet-like and others with families such as the Viviparidae, Thiaridae, and the shells reduced or, rarely, lost. There are Hydrobiidae and a few terrestrial groups, nota- also considerable modifi cations to the head- bly the Cyclophoroidea. foot and mantle through the group (Figure 13.2) Although there are no reliable estimates and major dietary specializations. It is our aim of named species, living caenogastropods are in this chapter to review the phylogeny of this one of the most diverse metazoan clades. Most group, with emphasis on the areas of expertise families are marine, and many (e.g., Strombidae, of the authors. Cypraeidae, Ovulidae, Cerithiopsidae, Triphori- The fi rst records of undisputed caenogastro- dae, Olividae, Mitridae, Costellariidae, Tereb- pods are from the middle and upper Paleozoic, ridae, Turridae, Conidae) have large numbers and there were signifi cant radiations during the of tropical taxa. -
Gastropod Diversity in Mudasal Odai and Nagapattinam, Southeast Coast of India
Indian Journal of Geo-Marine Sciences Vol. 43(12), December 2014, pp. 2320-2326 Gastropod diversity in Mudasal Odai and Nagapattinam, southeast coast of India Kollimalai Sakthivel* & S. Antony Fernando Centre for Advanced Study in Marine Biology, Faculty of Marine Sciences, Annamalai University, Parangipettei – 608 502, Tamil Nadu – India *[E.mail: [email protected]] Received 17 July 2012; revised 17 December 2012 Gastropods list prepared from Mudasal Odai (Lat.11°29'N; Long. 79°46' E) and Nagapattinam (Lat. 10° 46' N; Long. 79° 59' E) coast of Tamil Nadu, south east India. List consists 75 species, 45 genera and 31 families in Mudasal Odai and 67 species, 42 genera and 29 families in Nagapattinam coast. Among the 31 families 21 are single genera, 7 are two genera and 3 are three genera and in 45 genera 28 of the have single representives, 2 of them are four species, and 1 of that is have six species in Mudasal Odai landing centre. Out of 29 families 20 of them are single genera, 4 of them are two genera, 2 of them are three genera and 1 of that is four genera and in 42 genera 28 of them have single species, 2 of them have four species and 1 of that is have 5 species in Nagapatinam landing centre. Among the families three are (Naticidae, Muricidae and Nassariidae) dominant in both landing centre. Among the 76 species 10 of them are dominant, 23 of them are abundant, 14 of them are co-abundant, 28 of them are present 1 of that absent in Mudasal Odai, among the species, 14 of them are dominant, 19 of them are abundant, 13 of them are co-abundant, 21 of them are present and 8 of them are absent in Nagapattinam coast. -
Common Molluscs of Gulf of Mannar
GOMBRT Publication No. 23 Empowered lives. Resilient nations. COMMON MOLLUSCS OF GULF OF MANNAR GULF OF MANNAR BIOSPHERE RESERVE TRUST RAMANATHAPURAM - 623 504 Tamil Nadu GOMBRT Publication No. 23 Empowered lives. Resilient nations. COMMON MOLLUSCS OF GULF OF MANNAR November 2012 Gulf of Mannar Biosphere Reserve Trust Ramanathapuram - 623 504, Tamil Nadu, India Citation : Anbalagan, T. and V. Deepak Samuel 2012. Common Molluscs of Gulf of Mannar, Publication No. 23, 66 p. This Publication has no commercial value It is for circulation among various stakeholders and researchers November 2012 Compiled by Dr. T. Anbalagan Biodiversity Programme Officer Dr. V. Deepak Samuel Programme Specialist Energy & Environment Unit United Nations Development Programme Gulf of Mannar Biosphere Reserve Trust Ramanathapuram - 623 504, Tamil Nadu, India Published by Gulf of Mannar Biosphere Reserve Trust Ramanathapuram - 623 504, Tamil Nadu, India Typeset and Printed by Rehana Offset Printers, Srivilliputtur - 626 125 Phone : 04563-260383, E-mail : [email protected] GULF OF MANNAR BIOSPHERE RESERVE TRUST (GoMBRT) (A Stautory Trust of the Government of Tamil Nadu) S. Balaji, I.F.S. Gulf of Mannar Biosphere Reserve Trust Chief Conservator of Forests and 102/26, Jawan Bhavan First Floor Trust Director Kenikarai Ramanathapuram - 623 503 FOREWORD Gulf of Mannar Biosphere Reserve Trust, a State Government owned "Special purpose Vehicle" Agency, spearheads a movement of conservation of coastal and marine biodiversity in Gulf of Mannar Biosphere Reserve Region, located in south eastern India. This Reserve has the richest faunal and floral repository in the entire South east Asia, in terms of both diversity and density, numbering about 4223 species. -
Length-Weight Relationship of Ficus Ficoides (Lamarck,1822) at Vanjiure, Southeast Coast, Tamilnadu, India KG Selvi* and Dr
e-ISSN:2322-0066 Research & Reviews: Research Journal of Biology Length-Weight Relationship of Ficus Ficoides (Lamarck,1822) at Vanjiure, Southeast Coast, Tamilnadu, India KG Selvi* and Dr. P Jeevanandham PG and Research Department of Zoology, T.B.M.L.College, Porayar – 609307, Tamilnadu, India Research Article Received date: 09/12/2015 ABSTRACT Accepted date: 15/01/2016 Length-weight relationship was studied in the Marine edible Published date: 20/01/2016 gastropod Ficus ficoides was collected from Vanjiure fish landing centre, southeast coast of Tanilnadu, India, from January 2014 to December *For Correspondence 2014.The linear equation was fitted separately for male and female. To find out the differences any between then, the data were subjected to KG Selvi, PG and Research Department of Zoology, analysis of covariance. The linear regression analysis shows significance T.B.M.L.College, Porayar– 609307, TamilNadu, India for both male and females (p<0.001) in different size groups. The b values obtained in the present study indicated in different size group’s shows E-mail: [email protected] significant positive correlations and the nature of relationships remain constant from juvenile to mature stage. The p-value of correlation co- Keywords: Length-weight, Analysis of covariance, efficient(r) in both male and female were found to be 0.40 and 0.0015 regression, Coefficient, Gastropod respectively and its t-test shows significance at p<0.001 level. The length- weight relationship of Ficus ficoides articulated an allometric growth. The present study provides a baseline data of Ficus ficoides on length-weight relationship in different size group. -
Shellfish Resources Around Madras Atomic Power Station Kalpakkam
View metadata, citation and similar papers at core.ac.uk brought to you by CORE provided by Elsevier - Publisher Connector Journal of Asia-Pacific Biodiversity xxx (2016) 1e6 HOSTED BY Contents lists available at ScienceDirect Journal of Asia-Pacific Biodiversity journal homepage: http://www.elsevier.com/locate/japb Original article Shellfish resources around Madras Atomic Power Station Kalpakkam, Southeast India K. Ponnusamy a, S. Munilkumar a, Subhashree Das a, Amrata Verma a, R. Venkitesan b, A.K. Pal a,* a ICAR-Central Institute of Fisheries Education, Mumbai, India b Zoological Survey of India, Southern Regional Centre, Chennai, India article info abstract Article history: A survey has been made to identify and assess the shellfish resources potential along the Kalpakkam Received 24 January 2016 coastal waters. Stratified random sampling was used and the collected shellfish were identified down to Received in revised form species level. A total of 108 species belonging to 18 species of crustaceans, 86 species of molluscs, and 4 28 March 2016 species of echinoderms were identified. A complete checklist of the entire marine faunal information Accepted 9 April 2016 around Kalpakkam coast is not available yet. Therefore, the present work was carried out and collected Available online xxx available information of marine shellfish around Madras Atomic Power Station (MAPS), Kalpakkam sites, India. In addition, the present checklist will provide baseline information to ecologists and taxonomists Keywords: fi crustaceans in future systematic work with respect to shell sh resources around MAPS. Ó echinoderms Copyright 2016, National Science Museum of Korea (NSMK) and Korea National Arboretum (KNA). Kalpakkam Production and hosting by Elsevier. -
Aui Geologie
Available online at http://geology.uaic.ro/auig/ AUI Analele Stiintifice ale Universitatii “Al. I. Cuza” din Iasi Seria Geologie 60 (2) (2014) 5–30 GEOLOGIE Badenian gastropods from the collections of the Mureş County Museum Mirela Violetta Popa1, Anca Duma1, Angela Săplăcan2 1 Babeș-Bolyai University, Faculty of Biology and Geology, Department of Geology, 1 Kogalniceanu St., 400084 Cluj-Napoca, Romania 2 Mureş County Museum, 24 Horea St., 540036 Târgu-Mureş, Romania Abstract The present paper focuses on the systematic presentation of the gastropods from the collections of Lăpugiu de Sus and Nemeşeşti (Făget Basin) located in the Mureş County Museum. The large diversity of the species characterized the mollusc fauna from the famous occurrences of the Făget Basin (Lăpugiu de Sus, Nemeşeşti, Coştei). The assemblage from Lăpugiu de Sus represents one of the richest European Badenian fossil fauna. The collected gastropods (190 specimens) have been determined, systematically arranged and illustrated. The 54 species recorded belong to 20 families (Neritopsidae, Cerithiidae, Turritellidae, Cypraeidae, Pediculariidae, Ficidae, Naticidae, Aporrhaidae, Tonnidae, Buccinidae, Columbellidae, Fasciolariidae, Nassariidae, Muricidae, Mitridae, Volutidae, Olividae, Conidae, Terebridae and Turridae). Keywords: gastropods, taxonomy, Badenian, Lăpugiu de Sus, Nemeşeşti, Romania. Introduction The most important sellers were the citizens of Târgu Mureş (e.g. Ede Bujánovich and The Mureş County Museum (Natural Károly Frunda), or citizens of the neighbor- Scienties) from Târgu Mureş houses the pale- hoods (like Gyula Adamcsik from Cristeşti). ontological collections with 3937 registered Some pieces were transferred from the Teleki items. They contain molluscs, corals, echinids, Castle at Gorneşti. However, the most impor- fish and mammals. tant part of the paleontological collection The material was gathered by donations, comes from the collection field trips orga- purchase, transfer from other institutions and nized by the museum. -
UC Berkeley UC Berkeley Electronic Theses and Dissertations
UC Berkeley UC Berkeley Electronic Theses and Dissertations Title Characterization of Arm Autotomy in the Octopus, Abdopus aculeatus (d'Orbigny, 1834) Permalink https://escholarship.org/uc/item/8p68s19j Author Alupay, Jean Sagman Publication Date 2013 Peer reviewed|Thesis/dissertation eScholarship.org Powered by the California Digital Library University of California Characterization of Arm Autotomy in the Octopus, Abdopus aculeatus (d’Orbigny, 1834) By Jean Sagman Alupay A dissertation submitted in partial satisfaction of the requirements for the degree of Doctor of Philosophy in Integrative Biology in the Graduate Division of the University of California, Berkeley Committee in charge: Professor Roy L. Caldwell, Chair Professor David Lindberg Professor Damian Elias Fall 2013 ABSTRACT Characterization of Arm Autotomy in the Octopus, Abdopus aculeatus (d’Orbigny, 1834) By Jean Sagman Alupay Doctor of Philosophy in Integrative Biology University of California, Berkeley Professor Roy L. Caldwell, Chair Autotomy is the shedding of a body part as a means of secondary defense against a predator that has already made contact with the organism. This defense mechanism has been widely studied in a few model taxa, specifically lizards, a few groups of arthropods, and some echinoderms. All of these model organisms have a hard endo- or exo-skeleton surrounding the autotomized body part. There are several animals that are capable of autotomizing a limb but do not exhibit the same biological trends that these model organisms have in common. As a result, the mechanisms that underlie autotomy in the hard-bodied animals may not apply for soft bodied organisms. A behavioral ecology approach was used to study arm autotomy in the octopus, Abdopus aculeatus. -
An Updated Checklist of Marine and Estuarine Mollusc of Odisha Coast
Indian Journal of Geo Marine Sciences Vol. 47 (08), August 2018, pp. 1537-1560 An updated checklist of marine and estuarine mollusc of Odisha coast Prasad Chandra Tudu1*, Prasanna Yennawar2, Narayan Ghorai3, Basudev Tripathy4, & Anil Mohapatra5 1Marine Aquarium & Regional Centre, Zoological Survey of India, Digha, West Bengal, 721428, India. 2Freshwater Biology Regional Centre, Zoological Survey of India, Hyderabad, Telengana, 500048, India. 3Department of Zoology, West Bengal State University, Barasat, West Bengal,700126, India. 4Mollusca Section, Prani Vigyan Bhavan, Zoological Survey of India, Kolkata, West Bengal, 700053, India. 5Estuarine Biology Regional Centre, Zoological Survey of India, Gopalpur-on-Sea, Odisha-761002, India. * [Email- [email protected]] Received 25 January 2017; revised 30 March 2017 Present paper is an updated checklist of molluscs of Odisha coast based on recent surveys and past literature available at library, museum and internet sources. The checklist consist of Polyplacophora, Gastropoda, Scaphopoda, Bivalve and Cephalopoda available in and around the marine and estuarine waters of Odisha coast including largest brackish water lagoon of India, Chilka Lake. In total 496 species are enlisted, belongings to 261 genera, 124 families and 33 orders under five classes. The paper also reports 43 species for the first time from Odisha coast. [Key Words: Checklist, Costal fauna, Molluscan diversity, Odisha coast.] Introduction surveys or studies on mollusca along the Odisha coast India having 5,423 kilometers long coast line were done by Preston11,12, Annandale and Kemp13, belongs to peninsular India and 2,094 kilometres to Annandale and Prashad14, Nagabuhushanam and the Andaman, Nicobar and Lakshadweep group of Chandrasekhara Rao15, Nagabhushanam16, Subba Rao Islands. -
Gastropod Diversity in Mudasal Odai and Nagapattinam, Southeast Coast of India
Indian Journal of Geo-Marine Sciences Vol. 43(4), December 2014, pp. 519-527 Gastropod diversity in Mudasal Odai and Nagapattinam, southeast coast of India Kollimalai Sakthivel* & S. Antony Fernando Centre for Advanced Study in Marine Biology, Faculty of Marine Sciences, Annamalai University, Parangipettei – 608 502, Tamil Nadu – India *[E.mail: [email protected]] Received 17 July 2012; revised 17 December 2012 Gastropods list prepared from Mudasal Odai (Lat.11°29'N; Long. 79°46' E) and Nagapattinam (Lat. 10° 46' N; Long. 79° 59' E) coast of Tamil Nadu, south east India. List consists 75 species, 45 genera and 31 families in Mudasal Odai and 67 species, 42 genera and 29 families in Nagapattinam coast. Among the 31 families 21 are single genera, 7 are two genera and 3 are three genera and in 45 genera 28 of the have single representives, 2 of them are four species, and 1 of that is have six species in Mudasal Odai landing centre. Out of 29 families 20 of them are single genera, 4 of them are two genera, 2 of them are three genera and 1 of that is four genera and in 42 genera 28 of them have single species, 2 of them have four species and 1 of that is have 5 species in Nagapatinam landing centre. Among the families three are (Naticidae, Muricidae and Nassariidae) dominant in both landing centre. Among the 76 species 10 of them are dominant, 23 of them are abundant, 14 of them are co-abundant, 28 of them are present 1 of that absent in Mudasal Odai, among the species, 14 of them are dominant, 19 of them are abundant, 13 of them are co-abundant, 21 of them are present and 8 of them are absent in Nagapattinam coast. -
FRAGMENTA PALAEONTOLOGICA HUNGARICA Middle Miocene Tonnoidea and Ficoidea (Caenogastropoda) Assemblages from Letkés (Hungary) I
FRAGMENTA PALAEONTOLOGICA HUNGARICA Volume 34 Budapest, 2017 pp. 75–104 Middle Miocene Tonnoidea and Ficoidea (Caenogastropoda) assemblages from Letkés (Hungary) Zoltán Kovács1 & Zoltán Vicián2 1H-1077 Budapest, Wesselényi utca 52, Hungary. E-mail: [email protected] 2H-1158 Budapest, Neptun utca 86, 10/42, Hungary. E-mail: [email protected] Abstract – Taxonomic composition of highly diverse early Badenian (early Langhian) Tonnoidea and Ficoidea assemblages from Letkés (Börzsöny Mts, Hungary) is given. Four Ficus species and 23 tonnoid species are described, including Semicassis szilviae n. sp. designated here. Four taxa represent new records from the Badenian of Hungary: Turritriton grundensis (Hoernes et Auinger), Bursa ranelloides (Reeve), Bursa corrugata (Perry), and Personopsis grasi (Bellardi in d’Ancona). Mio cene stratigraphical and palaeogeographical ranges of the studied species are summarized. With 68 fi gures. Key words – Badenian, Börzsöny Mts, Ficoidea, Hungary, Letkés, Middle Miocene, Tonnoidea INTRODUCTION Th e aim of this paper is to document the high alpha diversity of Tonnoidea and Ficoidea fossil assemblages from the Badenian deposits of Letkés (W Bör- zsöny Mts, N Hungary). Th e locality is situated on the slope of the Bagoly Hill about 400 m eastward from the village (47.888319° N, 18.784647° E) (Fig. 1). Th e geological and palaeogeographical background of the site was briefl y discussed by Kovács & Vicián (2014). Th e locality is characterized by resedimented beds of fossil-rich marly sand with coral blocks and andesite boulders that represent the Sámsonháza Formation (Nagymarosy & Hámor 2012). Th e fossil assem- blage shows a mixture of taxa from diff erent biotopes, but mainly indicates shal- low-water environment. -
Molluscan Studies
Journal of The Malacological Society of London Molluscan Studies Journal of Molluscan Studies (2011) 77: 437–440. doi:10.1093/mollus/eyr019 Advance Access publication date: 3 July 2011 RESEARCH NOTE AUTOTOMY OF THE POSTERIOR FOOT IN AGARONIA (CAENOGASTROPODA: OLIVIDAE) OCCURS IN ANIMALS THAT ARE FULLY WITHDRAWN INTO THEIR SHELLS Samantha D. Rupert1 and Winfried S. Peters1,2 1Department of Biology, Indiana/Purdue University Fort Wayne, 2101 East Coliseum Boulevard, Fort Wayne, IN 46805–1499, USA; and 2Goldring Marine Biology Station, Playa Grande, Santa Cruz, Guanacaste, Costa Rica Correspondence: W.S. Peters; e-mail: [email protected] Autotomy is the active shedding of a body part which occurs caraboides directed stabs to the head of the slugs and killed all of in a variety of emergency situations including attacks by preda- them (Pakarinen, 1994). Another generalist, P. melanarius,pre- tors (Stasek, 1967; McVean, 1975; Maginnis, 2006). The ferred certain slug species over others (Foltan, 2004). Such pre- immediate advantage of autotomy – surviving an otherwise ference may establish an increased predation pressure that could deadly attack – comes at a price, which may include physical, favour the evolution and maintenance of costly defence mechan- energetic, behavioural and reproductive costs (Cooper, 2003; isms. Intriguingly, the preferred prey species were those capable Maginnis, 2006). While the evolutionary and ecological conse- of ‘tail’ autotomy (Foltan, 2004). quences of autotomy have been studied most thoroughly in The situation may be different in shelled gastropods, since lizards (Clause & Capaldi, 2006; Bateman & Fleming, 2009), autotomy does not seem to confer the same degree of life– the phenomenon also is known from numerous invertebrate saving benefit in species that can withdraw completely into a taxa, where it involves a wide variety of body structures protective shell as in those that cannot.