Results 31 to 40 of about 329 (162)

The food of Branchiobdella Odier, 1823 (Annelida) dwelling on crayfish and the occurrence of the fish parasite Argulus Müller, 1785 (Crustacea) on the carapace of Pontastacus leptodactylus (Esch.) [PDF]

open access: yesActa Ichthyologica et Piscatoria, 1999
Gut content of Branchiobdella spp. was examined in 83-945 individuals belonging to 4 species, collected from 31 individuals of Astacus astacus (L.) and 12 individuals of Pontastacus leptodactylus (Esch.) from north-western and southern Poland.
J. Wierzbicka, P. Śmietana
doaj   +3 more sources

Branchiura — a compendium of the geographical distribution and a summary of their biology

open access: yesCrustaceana, 2016
This is a compendium of current knowledge about the crustacean subclass Branchiura Thorell, 1864. An overview of the group is presented, starting from the first species description, and reports of taxonomic changes. It also provides a condensed retrospect of each genus and includes the characteristics of each genus, the geographical distribution of ...
Lourelle A. M. Neethling   +1 more
openaire   +1 more source

Community structure and decadal changes in macrozoobenthic assemblages in Lake Poyang, the largest freshwater lake in China

open access: yesKnowledge and Management of Aquatic Ecosystems, 2014
Lake Poyang is the largest freshwater lake in China and contains unique and diverse biota within the Yangtze floodplain ecosystem. However, knowledge of its macrozoobenthic assemblages remains inadequate.
Cai Y. J.   +5 more
doaj   +1 more source

Checklist of parasites in fish from the upper Paraná River floodplain: An update

open access: yesRevista Brasileira de Parasitologia Veterinária, 2020
This study provides an updated list of parasite species and their respective hosts in the upper Paraná River floodplain. The list of parasites is structured by phylum, class, order and family, followed by a record of each host species.
Atsler Luana Lehun   +9 more
doaj   +1 more source

The effect of temperature on the reproduction of Limnodrilus hoffmeisteri (Oligochaeta: Tubificidae)

open access: yesZoologia (Curitiba), 2009
The tubificid worm Limnodrilus hoffmeisteri Claparede, 1862 is widely used as an indicator of organic pollution in aquatic environments. Nevertheless, little is known about its biology.
Haroldo L. S. Nascimento   +1 more
doaj   +1 more source

The Digestive System of Larval Argulus Japonicus (Branchiura) [PDF]

open access: yesJournal of Crustacean Biology, 2006
Abstract The digestive system of first stage Argulus japonicus larvae is described following reconstruction from serial sections. The morphology of the digestive tract is similar to adult branchiurans. It consists of an esophagus, esophageal funnel, anterior midgut (crop), midgut diverticula, posterior midgut (intestine) and a hindgut.
Quinton Tam, Annemarié Avenant-Oldewage
openaire   +1 more source

Os peixes de um lago de várzea da Amazônia Central (Lago Janauacá, Rio Solimões) e suas relações com os crustáceos ectoparasitas (Branchiura: Argulidae) [PDF]

open access: yesActa Amazonica, 1984
Durante um período de treze meses, de março de 1979 a março de 1980, excursões semanais foram realizadas ao Janauacá, um complexo de, l.agos de várzea da Amazônia Central. Miltrezentos e trinta e cinco peixesde cinco ordens, dezenove famílias e.
José Celso de Oliveira Malta
doaj   +1 more source

The First Record of Argulus Foliacesus (Crustacea: Branchiura) Infesta­tion on Lionhead Goldfish (Carassius Auratus) in Iran [PDF]

open access: yesIranian Journal of Parasitology, 2010
Argulus foliaceus (Crustacea: Branchiura), or the fish louse, is an ectoparasite of the skin or gill of the fresh water fish species. Clinical signs in infected fish include scratching on aquarium walls, erratic swimming, and poor growth.
AH Shahmoradi, Y Chelongar, V Noaman
doaj   +2 more sources

Histomorphology of the digestive tract ofChonopeltis australis(Crustacea: Branchiura) [PDF]

open access: yesSouth African Journal of Zoology, 1994
The morphology and histology of the digestive tract of the branchiuran crustacean, Chonopeltis australis Box shall, 1976 are described from serial sections. The foregut is differentiated into a preoral cavity, containing the mandibles and tongue, an ascending oesophagus, with an H-shaped lumen invested with longitudinal, circular and dilator muscles, a
Avenant-Oldewage, A   +2 more
openaire   +2 more sources

Fish lice (Argulidae: Argulus spp.) infestations detected on freshwater fish in Türkiye: Argulus foliaceus (Linnaeus, 1758) and Argulus japonicus Thiele, 1900

open access: yesFisheries & Aquatic Life
Argulus (Crustacea: Branchiura) species, also known as fish lice, are among the most important aquatic ectoparasites infesting fish in Türkiye and worldwide because of their low host specificity and widespread distribution. Approximately 130 species have
Eren Gökhan   +4 more
doaj   +1 more source

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