Bivalves have been extensively used to monitor aquatic habitats because their sedentary filter feeding habit results in the accumulation of elements from the environment. The genus Mytella is of special interest because its habit of burrowing in sediments can provide information about the substrate conditions in estuaries. Gill filaments have a large surface that is in constant contact with the...

the ontogeny of the gill structure in starlet ( acipenser ruthenus ) was studied histologically from hatching up to 50 days post hatching (dph). based on the obtained results, the first developmental phase of the biological systems in this species was started from hatching with an intense organogenesis and the second phase from 9 dph with the beginning of exogenous feeding. the gill anlage was ...

widespread use of nanosilver can be led the contamination of aquatic environment and impact on living organisms such as fishes. we investigated histopathological changes in the gills tissue of caspian roach fingerlings after two weeks exposure to sublethal concentrations of nanosilver. following one and two weeks exposure, necrosis, shortening of secondary lamellae, edema, destruction of epithe...

Bacterial diseases of marine fish inflict significant economic damage to fisheries and aquaculture pose an increasing risk public health. When addressing disease, accumulating body research suggests adding another factor the classic epidemiological triangle host-environment-pathogen: microbiome. The gills, being a gateway into bearing important role in homeostasis, have been found be proxy gut ...

when very large floating structure) vlfs (is heavily loaded in the central portion, the difference deflection between its central section and its corners would increase. one cost effective solution for reducing the differential deflection is gill cell. gill cells are compartments in the vlfs that the buoyancy forces are eliminated at their locations. in this study, for examine the gill cells be...

Abstract Rioraja agassizii belongs to the monotypic genus and differs from other Riorajini species of Atlantoraja by shape anterior nasal flap, squamation, clasper skeleton, body measurements color pattern. Although R. is a well-known species, commonly captured in inshore waters southwestern Atlantic, its external morphology internal anatomy have never been fully described little known on intra...