Biology of Antarctic Fish by G. Hubold (auth.), Professor Dr. Guido di Prisco, Professor

By G. Hubold (auth.), Professor Dr. Guido di Prisco, Professor Dr. Bruno Maresca, Professor Dr. Bruno Tota (eds.)

Biology of Antarctic Fish provides the latest findings at the biology of fish within the special atmosphere of the Antarctic ocean. at this time the year-round temperature of the coastal waters is particularly close to -1,87 ° C, the equilibrium temperature of the ice-seawater combination. This super low temperature impacts assorted degrees of association of fish lifestyles: participants, organ structures, cells, organelles, membranes, and molecules. Exploring ecology, evolution, and lifestyles background in addition to body structure, biochemistry, and molecular biology of Antarctic fish the booklet describes the mechanisms of chilly version in any respect those degrees. It presents fabric for dialogue additionally for basic questions within the box of variation to an severe setting and hence is of specific curiosity not just to really expert scientists, but in addition to these concerned with simple and evolutionary biology.

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This hydrographic and topographic isolation of the Antarctic Continent resulted in a very high percentage of endemism in different taxonomic groups. Eighty-eight percent of the fish species and 76% of the genera are endemic to the Antarctic Ocean (Andriashev 1987). Values for other benthic groups range between 60 and 90% (Hempel 1985). About 200 demersal fish species are described for the Southern Ocean , belonging mainly (about 110 species) to the 6 families of the perciform suborder Notothenioidei (Andriashev 1987).

Borchgrevinki has a very light and silvery color with weak brownish or bluish spots. The dorsal side is a bit darker (rank 1). loennbergi is also very uniformly colored, but darker than P. borchgrevinki (rank 2). T. eulepidotus and T. lepidorhinus are similar to T. loennbergi, but have more patterns on the sides (ranks 3 and 4). P. bernacchii, P. hansoni, T. nicolai and T. scotti are grouped together. 5). The most conspicuous coloration was found in T. centro notus with yellow fins and white dots and stripes (rank 9).

Lepidorhinus and with the highest value, (5) T. eulepidotus. As with the compression factor, body depth (BD) is related to water current or swimming speed. Fast-swimming or pelagic, respectively, species have a reduced body depth. 67 in T. 92% SL in P. bernacchii. Thus, two main groups, one containing P. borchgrevinki, P. hansoni, T. eulepidotus, T. lepidorhinus, T. loennbergi and P. bernacchii, T. centronotus, T. nicolai, and one with T. scotti, could be separated. Ekau Table 1. :; -

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