Fishes of the World |
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Výsledky 1 - 3 z 44.
Strana 32
Efferent branchial ducts open by a common external aperture on each side . The
pharyngocutaneous duct , which exits the pharynx behind the gills , is present
only on the left side and probably functions to permit the pharynx to be flushed ...
Efferent branchial ducts open by a common external aperture on each side . The
pharyngocutaneous duct , which exits the pharynx behind the gills , is present
only on the left side and probably functions to permit the pharynx to be flushed ...
Strana 100
... separate , rays 9 – 23 ; dorsal fin entirely anterior to anus , with 9 – 13 soft rays
, no spines ; lateral line cavernous and extending full length of body ,
lateroventrally ; scales relatively large , fewer than 30 longitudinal rows on each
side .
... separate , rays 9 – 23 ; dorsal fin entirely anterior to anus , with 9 – 13 soft rays
, no spines ; lateral line cavernous and extending full length of body ,
lateroventrally ; scales relatively large , fewer than 30 longitudinal rows on each
side .
Strana 373
Order PLEURONECTIFORMES ( Heterosomata ) . Adults not bilaterally
symmetrical ; body highly compressed , somewhat rounded on eyed side and flat
on blind side ; dorsal and anal fins usually long ; usually six or seven
branchiostegal rays ...
Order PLEURONECTIFORMES ( Heterosomata ) . Adults not bilaterally
symmetrical ; body highly compressed , somewhat rounded on eyed side and flat
on blind side ; dorsal and anal fins usually long ; usually six or seven
branchiostegal rays ...
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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