Results 131 to 140 of about 785 (156)

Comparative osteology and relationships of the Umbridae (Pisces: Salmoniformes)

Zoological Journal of the Linnean Society, 1982
The phylogenetic relationships of the five living species of umbrids are examined through a comparative osteological study based on a series of cleared-and-stained specimens of each species. The Umbridae appear to be strictly monophyletic. In addition, for 45 characters, the outgroup Esox shares one character-state with at least one umbrid species ...
M. V. H. WILSON, P. VEILLEUX
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Ecotypes in Graylings (Thymallidae, Salmoniformes)

Russian Journal of Ecology, 2005
The ecotypic structure of two grayling species in Eurasia is considered. Based on original and published data, the development of ecological forms in water bodies of different kinds is analyzed. Parallelism in the emergence of highly similar forms in different sites of the ranges is demonstrated.
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Fishes of the family Prototroctidae (Salmoniformes)

Australian Journal of Marine and Freshwater Research, 1976
The family Prototroctidae, the genus Prototroctes, and the two contained species-P. oxyrhynchus Gunther, 1870 (New Zealand) and P. maraena Gunther 1864 (south-eastern Australia and Tasmania) are described. P. oxyvhynchus is distinguished from P. maraena by much higher counts of lateral scale rows, vertebrae and gill rakers. What is known of the natural
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Geographic meristic variation in Diplophos taenia Günther (Salmoniformes: Gonostomatidae)

Deep Sea Research and Oceanographic Abstracts, 1972
Abstract Examination of over 500 specimens of the mesopelagic gonostomatid fish Diplophos taenia Gunther revealed a striking but puzzling variability in central tendency of longitudinally arranged meristic characters. Attempts at correlation of this variation with various physical and biological oceanographic parameters revealed a highly ...
Robert Karl Johnson, Michael A. Barnett
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Epidermal fine structure of the teleost Esox americanus (esocidae, salmoniformes)

Journal of Ultrastructure Research, 1974
The epidermis of Esox americanus consists of filament-containing cells, secretory cells, and occasional chloride cells. The filament-containing cells are the most numerous with three distinct types belonging to basal, mid and surface layers. These cells have predominately a structural role, although the surface cells probably contribute to the ...
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Spawning ofGalaxias fasciatusGray (Salmoniformes: Galaxiidae)

New Zealand Journal of Marine and Freshwater Research, 1982
Abstract For the first time Galaxias fasciatus Gray were observed spawning. The spawning sites were among flooded terrestrial vegetation along the margins of a stream during the peak of a flood. Spawning appeared to be a communal event and the fish were vulnerable to eel (Anguilla dieffenbachii) predation at the time.
C. P. Mitchell, B. P. Penlington
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2 UPPER CRETACEOUS SALMONIFORM FISHES FROM THE LEBANON

1970
(Uploaded by Plazi from the Biodiversity Heritage Library) No abstract provided.
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Revalidation and redescription of Brachymystax tsinlingensis Li, 1966 (Salmoniformes: Salmonidae) from China

Zootaxa, 2015
Brachymystax tsinlingensis Li, 1966 is revalidated and redescribed. It can be distinguished from all congeners by the following combination of characteristics: no spots on operculum; gill rakers 15-20; lateral-line scales 98-116; pyloric caeca 60-71. Unique morphological characters and genetic divergence of this species are discussed.
Ying-Chun, Xing, Bin-Bin, Lv, En-Qi, Ye, En-Yuan, Fan, Shi-Yang, Li, Li-Xin, Wang, Chun-Guang, Zhang, Ya-Hui, Zhao   +7 more
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Evolutionary Homoplasy among Species Flocks of Central Alpine Coregonus (Teleostei: Salmoniformes)

Copeia, 2005
Evolution of phenotype and mode of speciation were examined for 19 Coregonus populations within and among eight lakes in the Central Alpine region of Europe. These populations reflect a mosaic of morphological, ecological, and life history traits, and thus represent numerous forms (qualitatively described according to relative body size and ecology ...
Marlis R. Douglas, Patrick C. Brunner, Michael E. Douglas   +2 more
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Nansenia iberica, a new species of Microstomatidae (Pisces, Salmoniformes)

1986
A new species of Nansenia, N. iberica n. sp., with four branchiostegal rays, a predorsal length between 48.0-49.0% of standard length, 46 vertebrae and with the proximal part of the adipose fin pigmented, is described.
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