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1. Two new species of Philometra (Nematoda: Philometridae) from needlefishes (Belonidae) in Iraq, with a key to Philometra spp. parasitic in the host's subcutaneous tissue, fins and musculature

Creator:
Moravec, František and Ali, Atheer Hussain
Format:
bez média and svazek
Type:
model:article and TEXT
Subject:
parasitic nematode, Philometra, marine fish, Strongylura, Tylosurus, Persian Gulf, and Iraq
Language:
English
Description:
Two new nematode species, Philometra strongylurae sp. n. and Philometra tylosuri sp. n., are described from female specimens collected from needlefishes (Belonidae, Beloniformes) off the Fao coast, Basrah, Persian Gulf, in Iraq. Philometra strongylurae (gravid females with larvae) was recorded from the subcutaneous tissue, muscles of beak and gills of Strongylura leiura (type host) and S. strongylura, whereas P. tylosuri (nongravid females) from the musculature and the subcutaneous tissue of Tylosurus crocodilus. The former is characterized mainly by the presence of eight markedly large cephalic papillae, conspicuously large anterior oesophageal bulb and by the length of body (15-20 mm); the latter by eight minute cephalic papillae, poorly developed oesophageal bulb and by the body length (46-72 mm). A key to Philometra spp. with gravid females parasitic in the subcutaneous tissue, fins or musculature of fishes is provided.
Rights:
http://creativecommons.org/licenses/by-nc-sa/4.0/ and policy:public

2. Variation of some biochemical parameters in female yellowfin seabream, Acanthopagrus latus (Houttuyn) during reproductive cycle

Creator:
Hatami Nasari, Fatemeh, Kochanian, Preeta, Salati, Amir Parviz, and Pasha-Zanoosi, Hossein
Type:
article, model:article, and TEXT
Subject:
fish, electrolyte, enzyme, metabolite, Persian Gulf, plasma, and reproduction
Language:
English
Description:
In the present study changes of some blood parameters of wild female yellowfin seabream (Acanthopagrus latus) caught from Persian Gulf were assayed during reproductive cycle. Altogether, 120 female A. latus (15 each month) were captured monthly from October 2010 to May 2011 from the Mussa Creek in the north-west of Persian Gulf. Blood samples were collected from caudal vein; plasma was separated and kept at –80 °C till analysis. Total protein, glucose, cholesterol, triglyceride, electrolytes, calcium, sodium, chloride, magnesium, potassium plus hepatic enzymes, Alanine Amino Transferase (ALT) and Aspartate Amino Transferase (AST), were assayed in plasma sample. Total protein and calcium increased parallel to ovarian development and decreased after spawning time. Cholesterol and triglyceride had a peak during vitellogenesis and decreased after spawning but glucose had a peak during spawning time. Most of the electrolytes (sodium, magnesium and potassium) did not show any significant changes during the reproductive cycle in A. Latus. AST reached a peak during final maturation of ovaries but ALT did not show any significant difference during differentsampling times.Our findings showed that biochemical parameters could be used as indicators of physiological status during differentmaturation stage in this species.
Rights:
http://creativecommons.org/licenses/by-nc-sa/4.0/ and policy:public