Fishes of the World |
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Strana 26
Order PYROSOMIDA . Marine seas except the Arctic . Tubular colonies with a
common atrial chamber . They can emit a strong phosphorescent light . The
colonies usually vary in length from about 3 cm to 1 m . One genus , Pyrosoma .
Order PYROSOMIDA . Marine seas except the Arctic . Tubular colonies with a
common atrial chamber . They can emit a strong phosphorescent light . The
colonies usually vary in length from about 3 cm to 1 m . One genus , Pyrosoma .
Strana 190
Marine , deep - water ; all seas . One or two , rarely three dorsal fins ; one or two
anal fins ; chin barbel present or absent ; head of vomer toothless or with minute
teeth ; swim bladder in contact with auditory capsules ( otophysic connection ) .
Marine , deep - water ; all seas . One or two , rarely three dorsal fins ; one or two
anal fins ; chin barbel present or absent ; head of vomer toothless or with minute
teeth ; swim bladder in contact with auditory capsules ( otophysic connection ) .
Strana 196
Occur in tropical and temperate seas . Pectoral fin usually much shorter than
head length ... have the interesting habit of hiding in living animals . Some live in
sea cucumbers and eat the cucumber ' s internal organs in a parasitic fashion .
Occur in tropical and temperate seas . Pectoral fin usually much shorter than
head length ... have the interesting habit of hiding in living animals . Some live in
sea cucumbers and eat the cucumber ' s internal organs in a parasitic fashion .
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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