Although there have been extensive studies on the larval adhesion of acorn barnacles over the past few decades, little is known about stalked barnacles. For the first time, we describe the larval adhesive systems in the stalked barnacle, Octolasmis angulata and the findings differ from previous reports of the temporary (antennulary) and cement glands in thoracican barnacles. We have found that ...

We determined the assimilation efficiencies (AEs) and efflux rate constants of Cd, Cr, and Se in barnacles Balanus amphitrite feeding on &verse planktonic prey. The measured AEs of Cd, Cr. and Se for zooplankton prey (brine shrimp Artemia salina larvae and copepods Canthocalanuspauper and Temora turbinata) were 53 to 88, 32 to 59, and 63 to 76%, respectively, and for diatom diets were 35 to 86,...

At an intertidal site on the island of Oahu, Hawaii, the abundance of the invasive barnacle Chthamalus proteus was negatively correlated with abundance of the native limpet Siphonaria normalis. As the substratum at this site was a conglomerate of materials, we hypothesized that the observed pattern was the result of differences in substratum preferences, and/or negative interactions between the...

Barnacles of the superfamily Coronuloidea are obligate commensals of motile marine animals (Newman & Ross, 1976). Excepting the coronuloid genus Chelonibia Leach, the species included in this superfamily occur strictly upon marine vertebrates, particularly sea turtles and whales (Frick et al., 2011). Chelonophilic (turtle-associated) and cetophilic (whale-associated) coronuloids produce highly-...

The strength of top-down control by consumers is predicted to decrease with latitude, but most data confirming this assumption come from latitudes <60°, while empirical studies of predation in sub-arctic and arctic marine habitats are few. A barnacle Balanus crenatus is a native foundation species in the shallow subtidal of the White Sea (65° N), hosting a diverse (250+ species) assemblage of m...

The average concentrations of TBT ngSng were found as 235 in fish, 116 in mussels and 635 in barnacles. All mussels sampled showed values of TBT+DBT, which were below the "tolerable average residue level (TARL)" as currently accepted. Barnacles have high potential as biomonitors for the presence of organotin in the Aegean Sea.

The presence of adult barnacles of Fistulobalanus pallidus (Darwin) and Fistulobalanus albicostatus (Pilsbry) attached to field-readable plastic leg rings on the Lesser Black-backed Gull Larus fuscus in Northern Europe is reported. L. fuscus is a long-distance palaearctic migrant, breeding in temperate areas spreading widely over inland and marine habitats outside the breeding season. The speci...

Wave-exposure influences the form of many organisms. Curiously, the impact of flow extremes on feeding structures has received little attention. Barnacles extend feather-like legs to feed, and prior work revealed a highly precise association between leg length and water velocity in one species. To assess the generality of this flow-dependence, we quantified variation in four leg traits (ramus l...

Samples of water and barnacles Amphibalanus amphitrite were collected from Recife, Brazil, to assess if it accumulates total (TC) and thermotolerant coliforms (TTC) related with sewage pollution. The Most Probable Number (MPN) values and the standard procedures for examination of shellfish were used. Comparatively with the water samples, the highest coliform values came from the barnacles, with...