نتایج جستجو برای: meristic
تعداد نتایج: 444 فیلتر نتایج به سال:
The pencil cardinal Epigonus denticulatus is a small deep-water fish inhabiting continental slopes usually between 300 and 600 m depth. We report the first record of E. in Azores archipelago, where one specimen was found floating by fisherman off Faial island. Meristic morphometric characters are accordance with those reported for species molecular analyses further supported identity. as native...
Skeletal deformities seriously relegate the biological performance of fish. The frequency of occurrence of different types of meristic variations and skeletal deformities were seen in the population of mahseer fish, Tor putitora, in two main reservoirs; Korang Stream, Islamabad and Dhobi Ghat Stream, Hassan Abdal. A total of ninety-five fish were caught randomly, forty-five from the unpolluted ...
Gambusia holbrooki Girard, 1859 is considered as one of the non-native and invasive species in the inland waters of Iran. This species occurs in most inland basins and aquatic bodies of Iran and has even been found in brackish waters. Extensive adaptations of this species to its different habitats caused numerous changes in its biological characteristics and morphological traits. The present st...
This study addresses the quantitative genetic basis of phenotypic variation and covariation for a series of meristic traits in the garter snake Thamnophis sirtalis fitchi (six head scale counts: loreals, supraand infralabials, preand postoculars, temporals; three body scale counts: ventrals, subcaudals, dorsal scale rows at midbody; two derived traits: umbilical scar size and position). Each tr...
The paper reports the first record of Nemichthys scolopaceus leptocephalus in Adriatic Sea, including a detailed description specimen with morphometric measurements and meristic counts. A single was caught on 18th September 2016 south small mid-water trawl at depth approx. 120 meters. Further research is needed to reveal more information about distribution potential spawning nursery areas slend...
Abstract A new species of Satanoperca is described from the Rio Araguaia, Tocantins basin, Brazil, and non-native records are available in upper Paraná basin. It differs congeneric by color pattern characters, such as head flank marks. included jurupari group, characterized absence black rounded blotches on flank, low meristic values. description ontogeny melanophore marks S. group revealed two...
We describe a new saxicolous species of Lepidophyma from the Sierra Madre Oriental, in state Tamaulipas, Mexico and provide morphological molecular data to support novelty this species. The is most closely related members L. sylvaticum group; however; it flattened form specialised for lifestyle can be distinguished all other by combination meristic characters. Genetic analysis suggests that sev...
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