Fishes of the WorldWiley, 1984 - 523 strán (strany) |
Vyhľadávanie v obsahu knihy
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Strana 31
... eyes are degenerate it is assumed that hagfishes evolved from an ancestor with eyes . There is some variation in the structure of their eyes , but the lens is absent in all species . In Eptatretus , generally in shallower water than ...
... eyes are degenerate it is assumed that hagfishes evolved from an ancestor with eyes . There is some variation in the structure of their eyes , but the lens is absent in all species . In Eptatretus , generally in shallower water than ...
Strana 341
... eye with infolding of the cornea at cornea- skin junction , and eyes slightly protruding . ( Eyes probably capable of chameleonlike movement in all species . ) Bone of operculum highly splin- tered ( can be revealed by passing light ...
... eye with infolding of the cornea at cornea- skin junction , and eyes slightly protruding . ( Eyes probably capable of chameleonlike movement in all species . ) Bone of operculum highly splin- tered ( can be revealed by passing light ...
Strana 373
... eyes ( upper side ) . The upper side is also pigmented , whereas the under side is usually white . Asymmetry may also be reflected in other characters such as den- tition , squamation , and paired fins . Most species have both eyes on ...
... eyes ( upper side ) . The upper side is also pigmented , whereas the under side is usually white . Asymmetry may also be reflected in other characters such as den- tition , squamation , and paired fins . Most species have both eyes on ...
Obsah
INTRODUCTION | 1 |
PHYLUM CHORDATA | 21 |
Subdivision Halecomorphi | 86 |
Autorské práva | |
4 zvyšných častí nezobrazených
Časté výrazy a frázy
120 ARCTIC CIRCLE 40 TROPIC adipose fin Africa anal fin anal fin rays ANTARCTIC CIRCLE ANTARCTIC CIRCLE 60 Australia barbels Body elongate bone branchiostegal rays Bull catfishes caudal fin cladistic classification Copeia ctenoid dorsal and anal dorsal fin dorsal fin rays EQUATOR 0 20 eyes Family fin absent fin base fin spines fin usually fin with three fishes five soft rays fossil Four genera four species fresh water freshwater genera genera e.g. genus gill openings Gosline Greenwood Indian Indo-Pacific Indo-West Pacific known lateral line lateral line scales lower jaw Marine maxilla Maximum length mouth North oceans Order Ostariophysi pectoral fin pelvic fins Perciformes Pisces premaxilla protractile recognized Rosen snout soft rays South America southern spine and five spinous Springer SUBFAMILY Suborder Superfamily Superorder swim bladder teeth Three genera three species three spines TRIBE TROPIC OF CANCER TROPIC OF CAPRICORN upper jaw ventral vertebrae Zealand Zool