Fishes of the World |
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Výsledky 1 - 3 z 84.
Strana 13
marine species ascend rivers for short distances in part of their range , and those
of some species that are usually freshwater are anadromous in some areas .
Many freshwater and marine species are also common in brackishwater
estuaries .
marine species ascend rivers for short distances in part of their range , and those
of some species that are usually freshwater are anadromous in some areas .
Many freshwater and marine species are also common in brackishwater
estuaries .
Strana 14
About 110 marine species extend around the world in tropical or subtropical
waters . Many genera are represented in both the Pacific and Atlantic but , almost
always , different species are involved . Representatives of many marine genera
...
About 110 marine species extend around the world in tropical or subtropical
waters . Many genera are represented in both the Pacific and Atlantic but , almost
always , different species are involved . Representatives of many marine genera
...
Strana 168
The species is marginally catadromous ( with a lunar rhythm ) , although
landlocked populations are known . The term whitebait is applied to the
transparent young which move from the sea into rivers at approximately six
months of age .
The species is marginally catadromous ( with a lunar rhythm ) , although
landlocked populations are known . The term whitebait is applied to the
transparent young which move from the sea into rivers at approximately six
months of age .
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Obsah
INTRODUCTION | 1 |
PHYLUM CHORDATA | 21 |
Subdivision Halecomorphi | 86 |
Autorské práva | |
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Časté výrazy a frázy
absent adipose fin adults Africa anal fin ANTARCTIC ARCTIC areas Atlantic Australia barbels body bone brackish branched branchiostegal rays Bull CAPRICORN caudal fin characters CIRCLE classification closely compressed continuous cycloid derived developed Distribution dorsal and anal dorsal fin eastern eight elongate EQUATOR extending eyes Family fin rays fishes five fossil four freshwater genera e.g. genus gill openings given gives head Indian known lack lateral line living lower Marine maxilla Maximum length mouth nine North occur oceans Order organ origin Pacific pairs pectoral fin pelvic fins placed plates present primarily primitive probably rarely recognized region relationships relatively Rosen scales seas separate seven short side similar single snout soft rays South America southern species spines SUBFAMILY Suborder swim bladder tail teeth teleosts Three genera TRIBE tropical usually vertebrae western Zealand Zool