Results 81 to 90 of about 6,303 (216)

The marine leech Stibarobdella loricata (Harding, 1924) (Hirudinea, Piscicolidae), parasitic on the angel shark Squatina spp. and sandtiger shark Carcharias taurus Rafinesque, 1810 (Chondrichthyes: Squatinidae, Carchariidae) in Southern Brazilian waters

open access: yesBrazilian Journal of Biology
The presence of the marine leech, Stibarobdella loricata (Harding, 1924) (Hirudinea, Piscicolidae), is reported on the southern coast of Brazil, based on seven lots with 47 specimens, between 71 and 182 mm in total length, collected on the dorsal region ...
J. M. R. Soto
doaj   +1 more source

A checklist of the protozoan and metazoan parasites of ruff (Gymnocephalus cernuus) [PDF]

open access: yesЖурнал Сибирского федерального университета: Серия Биология, 2010
The present paper summarizes data on parasites of ruff from all its area, based on published reviewed journals, scientific reports, conference contributions, PhD theses.
Alexander E. Zhokhov
doaj  

Abundance, Diversity and Distribution of Benthic Macro-Invertebrates in the Flat Bayou Drainage Area, Jefferson County, Arkansas [PDF]

open access: yes, 1979
The main ditch of Flat Bayou Drainage in north central Jefferson County carries water southward into Plum Bayou which then shortly empties into the Arkansas River.
Rickett, John D.
core   +2 more sources

Ectoparasites as numerical dominant species in parasite community of Trachelyopterus striatulus (Siluriformes: Auchenipteridae) from Guandu River, southeastern Brazil Ectoparasitos como espécies numericamente dominantes na comunidade parasitária de Trachelyopterus striatulus (Siluriformes: Auchenipteridae) do rio Guandu, Sudeste do Brasil

open access: yesBrazilian Journal of Biology, 2011
Sixty specimens of singing catfish Trachelyopterus striatulus (Steindachner, 1877) (Siluriformes: Auchenipteridae) collected from Guandu River (22º 48' 32" S and 43º 37' 35" W), in the state of Rio de Janeiro, Brazil from October 2006 to March 2009, were
RLB. Mesquita   +3 more
doaj   +1 more source

Добовий розподіл макробезхребетних у заростях макрофітів у лентичних умовах [PDF]

open access: yes, 2009
У питанні добової міграції водних безхребетних організмів основна увага більшості дослідників сконцентрована на планктонних організмах. Розподіл та міграція макробезхребетних тварин серед заростей вищої водяної рослинності маловивчені.
Усов, О. Є.
core  

Çubuk Çayında Ankara Bentik Makro Omurgasızların Yapısı

open access: yesJournal of Agricultural Sciences, 2001
Bu çal ışmada Çubuk Çayı 'ndaki Ankara organik kirlenmeye ba ğ l ı olarak bentik makro omurgas ı zlar ı n organizma çeşitliliği ve bolluk durumu incelenmi ştir. Araşt ı rmada Tubificidae Annelidae , Chironomidae Diptera , Erpobdellidae Hirudinea ,
Hijran Yavuzcan Yıldız
doaj   +1 more source

Macroinvertebrates and water quality: a teaching guide [PDF]

open access: yes, 2002
Streams support a diverse community of plants and animals on or in the stream bed. These organisms comprise the benthos. Among the benthos are worms, molluscs, crustaceans, and larval insects.
Hicks, Brendan J.
core   +1 more source

Registros de sanguijuelas de Costa Rica y clave para la identificación de las especies con redescripción de Cylicobdella costaricae

open access: yesRevista Mexicana de Biodiversidad, 2015
En contraste con los enormes esfuerzos realizados por caracterizar la fauna y flora de Costa Rica, con excepción de algunos registros aislados, muy poco se sabe sobre las sanguijuelas (Annelida: Clitellata) en este país.
Alejandro Francisco Oceguera-Figueroa
doaj   +1 more source

A review of diseases associated with cage culture systems: diagnosis and control in smale scale fish farming [PDF]

open access: yes, 1999
Fish cage culture is a rapid aquacultural practice of producing fish with more yield compared to traditional pond culture. Several species cultured by this method include Cyprinus carpio, Orechromis niloticus, Sarotherodon galilaeus, Tilapia zilli ...
Amubode, F., Okaeme, A.N., Olufemi, B.
core  

Effect of broodstock density on reproduction and juvenile culture of green buffalo leech, Hirudinea manillensis [PDF]

open access: yesSongklanakarin Journal of Science and Technology (SJST), 2015
In this study, the effect of the broodstock density on reproduction and juvenile culture of green buffalo leech, Hirudinea manillensis was examined with six different densities (5, 10, 15, 20, 25, and 30 ind tank-1).
Zulhisyam Abdul Kari   +5 more
doaj  

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