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  • 1
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    Descripción de la morfología externa e interna del langostino con algunas aplicaciones de indole taxonómica y biológica (2021)
    In:  http://aquaticcommons.org/id/eprint/4367 | 125 | 2016-04-28 01:08:03 | 4367 | Instituto Nacional de Investigación y Desarrollo Pesquero (INIDEP), Mar del Plata, Argentina
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    Publication Date: 2021-07-02
    Description: In the present paper the external and internal morphology of the shrimp Pleoticus muelleri (Bate), is described in detail. Special attention is given to those features which are of diagnostic value or which are significant for a fuller understanding of the biology of this species. The major portion of the paper deals with the description of the cephalopereion, pleon and telson and its appendages, as well as the nervous, respiratory, circulatory, digestive, excretory and reproductive systems. Special attention is given to the digestive system, the stomodaeal apparatus and sexual dimorphism. The relations between form and function of several organs and systems are pointed out. A study is made of the development of the gonads, the sexual cycle in males and females; the variations found in relative weight and size are described. The phylogenetical jposition of the Penaeidae, the genera of the subfamily Solenoceridae and of P. muelleri are discussed. (PDF contains 72 pages)
    Keywords: Biology ; Decapoda ; Solenoceridae ; Pleoticus muelleri ; Langostino ; Morphology ; Taxonomy ; Sexual maturity ; Morphometry ; taxonomía ; madurez sexual ; morfometría ; morfología ; PSW ; Argentina
    Repository Name: AquaDocs
    Type: article
    Format: application/pdf
    Format: application/pdf
    Format: 1-72
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  • 2
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    Los crustáceos decápodos Brachyura del litoral bonaerense (R.Argentina) (2021)
    In:  http://aquaticcommons.org/id/eprint/6018 | 125 | 2016-04-28 01:06:44 | 6018 | Instituto Nacional de Investigación y Desarrollo Pesquero (INIDEP), Mar del Plata, Argentina
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    Publication Date: 2021-07-13
    Description: In this work the taxonomy of the Brachyura Decapod Crustacea from fthe shelfwaters of the Province of Buenos Aires, Argentina (South Atlantic Ocean) is described, with particular reference to the biology and zoogeography. The material and methods are described and various zoogeographical problems are considered. A total of 25 species were encountered, and each one is briefly described together with its ecological and biological data. In many cases the geographical distribution has been extgended. Keys are given for the identification of the more common Brachyura from Argentina, as also for the sub-divisions of the Brachyura, including ffamilies, subfamilies and genera. The so-called "cangrejal" community (community composed of semiaquatic crabs) of the river Salado was studied, which was composed of Chasmagnathus granulata crabs. The species Uca uruguayensis formed the outer limit of the "cangrejal" community.
    Keywords: Biology ; Decapoda ; Hymenosomidae ; Majidae ; Portunidae ; Xanthidae ; Pinnotheridae ; Grapsidae ; Atelecyclidae ; Ocypodidae ; Identification keys ; Morphology ; Geographical distribution ; morfología ; distribución geográfica ; claves de identificación ; PSW ; Argentina ; Buenos Aires
    Repository Name: AquaDocs
    Type: article
    Format: application/pdf
    Format: application/pdf
    Format: 1-99
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  • 3
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    Desarrollo larval de dos especies de Crustáceos Decápodos en el laboratorio, Pachycheles haigae Rodrigues Da Costa (Porcellanidae) y Chasmagnathus granulata Dana (Grapsidae) (2021)
    In:  http://aquaticcommons.org/id/eprint/6020 | 125 | 2016-04-28 01:04:01 | 6020 | Instituto Nacional de Investigación y Desarrollo Pesquero (INIDEP), Mar del Plata, Argentina
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    Publication Date: 2021-07-13
    Description: The present paper is concerned with studies on the larval development of two species of crustacean Decapoda: Pachyceles haigae Rodrigues Da Costa, 1960 family Porcellanidae and Chasmagnathus granulata Dana, 1851, family Grapsidae. One preazoea, two zoeae with a total of five sub-stages, a and b, and the second zoea had sub-stages a, b and c. The greatest changes are observed in the transition from the first to the second zoea and from this to the megalopa. During the sub-stages, there occured minor changes, and a net moulting of the cuticle is not observed. The differences in these sub-stages are marked by changes in the number and shape of the appendages.
    Keywords: Biology ; Decapoda ; Pachyceles haige ; Chasmagnathus granulata ; Larval development ; Controlled conditions ; desarrollo larval ; condiciones controladas ; PSW ; Argentina
    Repository Name: AquaDocs
    Type: article
    Format: application/pdf
    Format: application/pdf
    Format: 1-46
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  • 4
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    Areas de migración y ecología de la anchoa Lycengraulis olidus (Günther) en las aguas argentinas (Pisces, fam. Engraulidae) (2021)
    Instituto de Biología Marina (IBM) | Mar del Plata, Argentina
    In:  http://aquaticcommons.org/id/eprint/2055 | 125 | 2011-09-29 19:44:22 | 2055 | Instituto Nacional de Investigación y Desarrollo Pesquero (INIDEP), Mar del Plata, Argentina
    Details
    Publication Date: 2021-07-11
    Description: The purpose of the present study was to confirm the migratory habits of the anchovy, Lycengraulis olidus (Günther), between fresh and sea water environments. Anchovies were examined from three freshwater localities: Bella Vista and Rosario (Paraná river) and Punta Lara (La Plata river), and from four marine localities; Mar del Plata, Bahia Blanca, San Blas and Patagones, all in the Argentine Republic. Five meristic and nine morphometric characters were selected for study, namely: vertebrae; dorsal, pectoral and anal fin rays; gill rakers on the first gill arch; head-length; body-depth; distance between the snout and dorsal, pectoral, ventral and anal fin; eye-diameter; snout and maxilary. The food of the anchovy in fresh and sea water consists principally of fish and crustaceans including copepods, paleamonids, sergestids and larvae of Brachyura. The condition factor of the anchovy was lower in the fresh-water samples and higher in the marine samples. (PDF has 32 pages (two pages on each)
    Description: Reimpresión de Contribución científica. Serie Zoología, Universidad de Buenos Aires, Facultad Ciencias Exactas y Naturales vol.1(3):127-183 Submitted by: INIDEP Library
    Keywords: Ecology ; Fisheries ; Biology ; Engraulidae ; Lycengraulis olidus ; anchoa ; anadromous migrations ; meristic counts ; geographical distribution ; size distribution ; sexual maturity ; feeding ; madurez sexual ; distribución por tamaño ; distribución geográfica ; conteos merísticos ; alimentación ; migraciones anadrómicas ; Argentina
    Repository Name: AquaDocs
    Type: monograph
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  • 5
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    Estudio biologíco pesquero del camaron Artemesia longinaris Bate de Mar del Plata (2021)
    In:  http://aquaticcommons.org/id/eprint/6041 | 125 | 2016-04-28 00:55:24 | 6041 | Instituto Nacional de Investigación y Desarrollo Pesquero (INIDEP), Mar del Plata, Argentina
    Details
    Publication Date: 2021-07-13
    Description: This consisted on the examination of approximately 31.000 specimens obtained from the commercial fishery in the region of Mar del Plata, between Cabo Corrientes and Punta Mogotes (Fig.3) and some complementary material of this area and its vicinities was also included. Living adult animals were also obtained and larvae and postlarvae of this species were separated from the plakton collected during several trips carried on by boats of coastal fleet. These trips allowed the study of the conditions of catches, and the selectivity of both net and fisherman. The aims of this work were to study the migrations, growth, sexual cycle, nutrition, behaviour, mortality and fishing of this important crustacean of commercial interest.
    Keywords: Biology ; Fisheries ; shrimp ; camerones ; Artemesia longinaris Bate ; Mar del Plata ; Argentina
    Repository Name: AquaDocs
    Type: article
    Format: application/pdf
    Format: application/pdf
    Format: 1-51
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