Fishes Flashcards

1
Q

Class Myxini

A

Hagfishes

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2
Q

Class Petromyzontida

A

Lampreys

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3
Q

Class Chondrichthyes

A

Cartilaginous Fishes

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4
Q

Class Actinopterygii

A

Ray Finned Fishes

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5
Q

Caudal Fin Types

A

Homocercal -Upper and lower lobes the same

Hetercercal - upper and lower lobes different

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6
Q

Scale types

A

Placiod, ganoid, Ctendoid and Cycloid

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7
Q

Elamobranchs have what type of scales

A

Placoid - denticles

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8
Q

Lung fish have what type of scales?

A

Cosmoid Scales

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9
Q

hag fish body plan

A

Tentacles, gill slits mucous glands

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10
Q

Lamprey body plan

A

Gill openings

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11
Q

Superclass Agnatha

A

Class myxini

Class petromyzontida

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12
Q

Superclass Gnathostomata

A

Class chrondrichthyes

Class actinopterygii

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13
Q

Placiod Scales

Found in what

A

Denticles Tooth like pith.

Elasmobranchs

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14
Q

Cosmoid scales

A

Lung fish, Early lobe fins

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15
Q

Ganiod scales

A

Stugeon, peg like

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16
Q

Two types of leptiod scales

A
Cycliod scales (salmon) 
Ctendion Scales ( perch snapper)
17
Q

Class myxini

A
All marine 
Mouth modified for rasping 
Barbels 
No eyes 
No paired fins
18
Q

Class petromyzontida

A

Notochord
Mouth modified for sucking
prominent eyes

19
Q

Anadromous

A

Spend all or part of their adult life in salt water and return to freshwater streams and rivers to spawn