Life history characteristics (age, growth, survival, and maturity) were compared between the deepwater “humper” and shallow-water “lean” forms of lake trout Salvelinus namaycush in Lake Mistassini, Quebec, to determine whether the two morphotypes may represent resource polymorphism. Lake trout were sampled using graded-mesh (range = 51–114 mm stretch) gill nets set in deep and shallow waters. H...

Abstract Different bacterial community profiles were observed on the soft coral Dendronephthya sp. and an inanimate reference site using terminal restriction fragment length polymorphism analysis of bacterial community DNA. To correlate the observation with a chemical defense mechanism against bacterial epibiosis, antibacterial effects of coral tissue extracts and waterborne products of coral-a...

Ectomycorrhizal (ECM) communities of black spruce (Picea mariana (Mill.) BSP) seedlings were characterized from three habitats spanning a moisture gradient in central British Columbia: black spruce dominated wetlands, black spruce – tamarack wetlands, and black spruce – lodgepole pine uplands. Morphological and molecular (PCRRFLP) analyses indicated a diverse community of root-associated ECM fu...

We examined the mitochondrial identity of Aegean Natrix natrix moreotica representing different morphotypes, with a focus on new material from Milos and Skyros. found no correlation between distinct morphotypes identity. Our results support that grass snake populations are polyphenetic southern subspecies, including island populations, show higher variability than northern ones.

Individuals of a deep-sea snailfish, Careproctus trachysoma, endemic to the Japan Sea have been classified into lighter and darker color morphotypes, which are sympatrically distributed. These morphotypes only described qualitatively, with individuals that could not be as either morphotype. Therefore, in this study, we quantitatively evaluated species using colorimeter. Based on principal compo...

Haemonchus placei in cattle has never been completely described, possibly due to great morphological similarity with small ruminants Haemonchus contortus. It is newly described on one isolate from Argentina. It has clear distinct morphological features from sheep and goats Haemonchus contortus and presents only two female morphotypes (linguiform and knobbed) instead of three recorded in H. cont...

Leptocephali are the characteristic larvae of the superorder Elopomorpha that are difficult to identify at the species level. In this study, we used DNA barcoding (i.e. short genetic sequences of DNA used as unique species tags) coupled with classical taxonomic methods to identify leptocephali in the southern Adriatic Sea. This information will provide an assessment of the biodiversity of the e...