Fishes of the World |
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Výsledky 1 - 3 z 80.
Strana 144
Dorsal fin covered by thick skin ; adipose fin present ; anal fin base short , with 9 -
13 rays ; four pairs of barbels ; lateral line absent . These small fish inhabit swift
streams . Two genera , Amblyceps and Liobagrus , with about five species . ms .
Dorsal fin covered by thick skin ; adipose fin present ; anal fin base short , with 9 -
13 rays ; four pairs of barbels ; lateral line absent . These small fish inhabit swift
streams . Two genera , Amblyceps and Liobagrus , with about five species . ms .
Strana 145
Dorsal fin preceded by a spine and with short base ; adipose fin present or
absent ; pectoral fin with strong spine ; gill openings relatively narrow ; body
usually with longitudinal row of tubercles . About three genera ,
Acrochordonichthys ...
Dorsal fin preceded by a spine and with short base ; adipose fin present or
absent ; pectoral fin with strong spine ; gill openings relatively narrow ; body
usually with longitudinal row of tubercles . About three genera ,
Acrochordonichthys ...
Strana 305
Body strongly compressed and deep ( deeper than long in some ) ; pelvic fins
usually small or vestigial ; dorsal fin single and with a long base , covered with
scales and 5 – 8 short graduated spines ; anal fin with three spines , long base ...
Body strongly compressed and deep ( deeper than long in some ) ; pelvic fins
usually small or vestigial ; dorsal fin single and with a long base , covered with
scales and 5 – 8 short graduated spines ; anal fin with three spines , long base ...
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Obsah
INTRODUCTION | 1 |
PHYLUM CHORDATA | 21 |
Subdivision Halecomorphi | 86 |
Autorské práva | |
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Iné vydania - Zobraziť všetky
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