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  • 11
    Electronic Resource
    Electronic Resource
    Description of a new blood-fluke, Cruoricola lates n. g., n. sp. (Digenea: Sanguinicolidae), from sea-bass Lates calcarifer (Bloch, 1790) (Centropomidae) (1994)
    Springer
    Systematic parasitology 29 (1994), S. 51-60 
    Details
    ISSN: 1573-5192
    Source: Springer Online Journal Archives 1860-2000
    Topics: Biology , Medicine
    Notes: Abstract A new blood-fluke, Cruoricola lates n. g., n. sp., is described from sea-bass Lates calcarifer cultured in Malaysia. It is also found in Thailand and Australia. All fish examined over 15 cm in length were infected in the type-locality. This sanguinicolid is differentiated from other genera by: the spherical seminal vesicle; the large, single testis extending beyond the intestinal caeca; the medial, bi-lobed ovary; and the single column of sub-marginal, laterally directed, evenly spaced spines. It has separate genital pores which are close together. Adults are found predominantly in the mesenteric venules of the venous circulation. Juveniles are commonest in the caudal kidney.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF00009838
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  • 12
    Electronic Resource
    Electronic Resource
    Terranova ceticola n. sp. (Nematoda: Anisakidae) from the dwarf sperm whale; Kogia simus (Owen), in the Gulf of Mexico (1981)
    Springer
    Systematic parasitology 3 (1981), S. 25-28 
    Details
    ISSN: 1573-5192
    Source: Springer Online Journal Archives 1860-2000
    Topics: Biology , Medicine
    Notes: Summary Terranova ceticola n.sp. is described from specimens in the stomachs of an individual dwarf sperm whale, Kogia simus, which stranded on the beach at Biloxi, Mississippi. It is characterized by possessing a single pair of medial preanal papillae, 38 to 40 pairs of lateral preanal papillae, five pairs of postanal papillae, and spicules 1 to 2% of the body length and by lacking cuticular plates at the posterior anal lip of males. ac]19800820
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF00012236
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  • 13
    Electronic Resource
    Electronic Resource
    A revision of the Calicotylinae Monticelli, 1903(Monogenea: Monocotylidae) (1997)
    Springer
    Systematic parasitology 38 (1997), S. 159-183 
    Details
    ISSN: 1573-5192
    Source: Springer Online Journal Archives 1860-2000
    Topics: Biology , Medicine
    Notes: Abstract A total of 153 elasmobranchs (46 species), either freshly collected from the Gulf of Mexico, USA and Tasmania, Australia or museum specimens collected from various localities worldwide, were examined for calicotyline (Monocotylidae) monogeneans. Thirty-five elasmobranchs, representing 17 species, were infected with Calicotyle spp. which we identified as the following previously described species: C. asterii (Szidat, 1970) Timofeeva, 1985, C. kroyeri Diesing, 1850, C. macrocotyle Cordero, 1944, C. similis (Szidat, 1972) Timofeeva, 1985, C. splendens (Szidat, 1970) Timofeeva, 1985, C. stossichi Braun, 1899 and C. urolophi Chisholm, Beverley-Burton & Last, 1991. The Calicotylinae, which comprises the genera Calicotyle and Dictyocotyle, is revised based on supplementary material as well as deposited type-material. We consider 14 of the 17 nominal Calicotyle spp. to be valid. C. rosinae Kusnetzova, 1970 is synonymised with C. macrocotyle, C. sjegi Kusnetzova, 1970 is considered a species inquirenda and C. inermis Woolcock, 1936 a species incertae sedis. Additional data and illustrations to show the morphological features of the hamuli and male copulatory organ, the form of the intestinal caeca, vaginae and ovary and the distribution of the vitellarium are provided for all valid species. The distribution of the 14 hooklets in the adult haptor of Dictyocotyle coeliaca Nybelin, 1941 is illustrated for the first time. We provide new host and locality records for C. asterii, C. kroyeri, C. macrocotyle and C. stossichi and new locality records for C. similis and C. splendens. A key to species of the Calicotylinae is also included. Host-specificity, geographical distribution and the need for information regarding the development of individuals from juvenile to adult are discussed.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1023/A:1005844306178
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  • 14
    Electronic Resource
    Electronic Resource
    Ubiquitous perivenous smooth muscle cords in viscera of the teleost Rachycentron canadum, with special emphasis on liver (1992)
    New York, NY : Wiley-Blackwell
    Journal of Morphology 212 (1992), S. 175-189 
    Details
    ISSN: 0362-2525
    Keywords: Life and Medical Sciences ; Cell & Developmental Biology
    Source: Wiley InterScience Backfile Collection 1832-2000
    Topics: Biology , Medicine
    Notes: The liver of the cobia, Rachycentron canadum, was examined by gross dissection, histological, and ultrastructural procedures. Other visceral organs were examined by histological techniques only. Unique perivenous smooth muscle cords are associated with veins in these systems, but they are particularly prominent in their association with the hepatic portal veins and their numerous intrahepatic branches. The perivenous smooth muscle cords accompany tributaries of the portal veins to the junction of the venules with the hepatic sinusoids. The reciprocal contraction and relaxation of various segments of the smooth muscle cords appear to result in pooling of blood in temporary reservoirs and in its transport to various regions of the organ. This process might apply to other organ systems as well. Possibly this unique relationship of the smooth muscle cords with veins functions in a diving reflex. Triads are occasionally encountered in the cobia liver. © 1992 Wiley-Liss, Inc.
    Additional Material: 18 Ill.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1002/jmor.1052120208
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  • 15
    Electronic Resource
    Electronic Resource
    Differentiation of microsporidian spore-tails in Inodosporus spraguei Gen. et Sp. N. (1974)
    Springer
    Parasitology research 44 (1974), S. 169-186 
    Details
    ISSN: 1432-1955
    Source: Springer Online Journal Archives 1860-2000
    Topics: Biology , Medicine
    Notes: Summary The new genus Inodosporus was erected to accept I. spraguei, a new species having eight sporoblasts per pansporoblast with each subsequent spore possessing three or four basal spore-tails and one branched apical one. It is primarily by the apical tail that the species is separated from the only other recognized species, I. octospora (Henneguy, 1892) comb. n., formerly Thelohania octospora. Spore-tails of I. spraguei are membranous channels which originate within differentiating pansporoblasts during genesis of sporonts into sporoblasts. During the switch from vegetative to spore-forming development, cytoplasmic constituents of I. spraguei segregate into two distinctive domains for which we originate the terms “pansporoblast-determinate area” (PDA) and “sporont-determinate area” (SDA). Membrane channels, which form spore-tails, develop within the PDA. The following observations indicate that the tails of I. spraguei are continuous with the outer pansporoblast envelope: lanthanum marker readily penetrates pansporoblasts and localizes in channels, in spore-tail attachment points, and between extra-sporoblast membrane and sporoblasts; a positive reaction for adenosine triphosphatase product accumulates within spore-tails at their sites of attachment to sporoblasts; and spore-tails occasionally remain attached to pansporoblast envelopes after mechanical disruption. An extensive PAS-positive glycocalyx-like material is found within newly developing pansporoblasts. This observation, plus the presence of an apparent adenosine triphosphatase system on pansporoblast membranes, indicates that the pansporoblast may serve as a molecular or ion transport system during initial phases of sporont differentiation. Inodosporus spraguei infects each muscle fiber completely until filaments are destroyed, and infections are spread throughout the animal until most fibers are infected. Curiously, uninfected muscle cells seldom show serious pathological changes caused by massive infections of neighboring cells.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF00328760
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  • 16
    Electronic Resource
    Electronic Resource
    Otobothrium cysticum (Cestoda: Trypanorhyncha) from the muscle of butterfishes (Stromateidae) (2000)
    Springer
    Parasitology research 86 (2000), S. 41-53 
    Details
    ISSN: 1432-1955
    Source: Springer Online Journal Archives 1860-2000
    Topics: Biology , Medicine
    Notes: Abstract On the basis of the tentacular armature, surface ultrastructure, and morphological measurements of plerocerci obtained from the musculature of butterfishes (Stromateidae), we corroborate an earlier proposal that Otobothrium crenacolle, a commonly reported trypanorhynch cestode from the northwestern Atlantic coast, is a junior synonym of O. cysticum. This action exemplifies at least an Atlantic Ocean and Indian Ocean distribution for O. cysticum. The infection in commercially important butterfishes shows that an otobothriid trypanorhynch may heavily infect fish flesh and influence the market value of some fish species yet also be restricted to the body cavity of other fish intermediate hosts. Infections of O. cysticum in the flesh of Peprilus burti (Gulf butterfish) and P. alepidotus (harvestfish) in the Gulf of Mexico has varied annually since 1970, with samples ranging in prevalence between 20% and 100% and in mean intensity between 1 and 3,500 or more plerocerci per fish. Comparative infections in P. burti from the Gulf of Mexico and P. triacanthus (butterfish) from the Atlantic Ocean demonstrate a present geographic difference in infections. The prevalence and mean intensity in 4 collections of butterfishes ranged from 9% to 98% of the fish and from 1 to 678 plerocerci in a subsample of tissue, respectively, with prevalent and heavy infections being observed in the Gulf of Mexico fish and relatively few individuals being infected with few worms in the Atlantic fish. A slight host response in the butterfishes involving some fatty infiltration and inflammatory infiltration was associated with the metacestode. In some larger fish, encapsulations were yellow, and in a few cases, worms had degenerated. This finding and an increase in intensity with fish weight suggest a continual accumulation of the worms in association with little host resistance.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/PL00008505
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  • 17
    Electronic Resource
    Electronic Resource
    Sensory receptors and surface ultrastructure of trypanorhynch cestodes (2000)
    Springer
    Parasitology research 86 (2000), S. 821-833 
    Details
    ISSN: 1432-1955
    Source: Springer Online Journal Archives 1860-2000
    Topics: Biology , Medicine
    Notes: Abstract The scolices of six different trypanorhynch species –Heteronybelinia alloiotica (Dollfus, 1960), Pseudolacistorhynchus noodti Palm, 1995, Otobothrium cysticum (Mayer, 1842), O. penetrans Linton, 1907, Poecilancistrum caryophyllum (Diesing, 1850), and Prochristianella hispida (Linton, 1890) – were examined for surface morphology and the occurrence of sensory receptors. Filamentous microtriches with different internal ultrastructural features were found. Acerosate, hook-like, and spiniform microtriches were detected on the surface of the tentaculariid H. alloiotica. Their internal structure clearly differed from that of pectinate microtriches observed in the other five trypanorhynch species lacking a basal and a junctional region. All pectinate microtriches had the same general architecture, independent of the number of digitiform processes. All trypanorhynchs studied harbored ciliated sensory receptors within the tegument. Even though sensory receptors were scarce in H. alloiotica, they were more abundant in the lacistorhynchid P. noodti and the otobothriids P. caryophyllum and O. penetrans, which exhibited two, six, and three kinds of receptors, respectively. Bothridial pits in O. penetrans and O. cysticum were invaginations of the bothridial surface, being characterized by the lack of sensory receptors and the presence of characteristic microtriches. These differed from other microtriches in that they were larger and had a base consisting of a widely enlarged matrix. The occurrence of different kinds of microtriches and sensory receptors within trypanorhynch cestodes is summarized, and the meaning of these surface structures and of bothridial pits as characters within future trypanorhynch classification is emphasized.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/PL00008508
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  • 18
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    Potential pathological effects of Blood Flukes (Digenea:Sanguinicolidae) on pen-reared marine fishes (2021)
    In:  http://aquaticcommons.org/id/eprint/13459 | 9596 | 2014-01-12 18:12:59 | 13459 | Gulf and Caribbean Fisheries Institute
    Details
    Publication Date: 2021-06-30
    Keywords: Fisheries ; GCFI
    Repository Name: AquaDocs
    Type: conference_item
    Format: application/pdf
    Format: application/pdf
    Format: 10-25
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  • 19
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    Habitats and Biota of the Gulf of Mexico: Before the Deepwater Horizon Oil Spill. Volume 2: Fish Resources, Fisheries, Sea Turtles, Avian Resources, Marine Mammals, Diseases and Mortalities. (2017)
    Springer Open | New York, USA
    Details
    Publication Date: 2021-05-19
    Description: The Deepwater Horizon accident and oil spill in the Gulf of Mexico from the Macondo well began on April 20, 2010. Oil flowed into the Gulf for 87 days until the well was capped on July 15, 2010, and declared sealed on September 19, 2010. The United States (USA) Government initially estimated that a total oil discharge into the Gulf of 4.9 million barrels (210 million U.S. gallons) resulted from the spill; however, the estimate was challenged in litigation, reduced to 3.19 million barrels by a trial court, and remains in dispute. A massive cleanup, restoration, and research program followed and continues to the present, mostly funded by BP Exploration & Production Inc. (BP).
    Description: Published
    Keywords: Deepwater Horizon Oil Rig ; Pollution effects ; Fish ; Fisheries ; Oil spills ; Marine mammals ; Birds ; Turtles ; Diseases
    Repository Name: AquaDocs
    Type: Book/Monograph/Conference Proceedings , Refereed
    Format: lxv, pp.869-1757
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  • 20
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    Digenetic Trematodes in Cephalopods (1975)
    Cambridge University Press
    In:  Journal of the Marine Biological Association of the United Kingdom, 55 (4). pp. 893-910.
    Details
    Publication Date: 2020-07-23
    Type: Article , PeerReviewed
    Format: text
    DOI: 10.1017/S0025315400017781
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    OceanRep: Article in a Scientific Journal - peer-reviewed
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