fish

Question 1

how do you tell the difference between male and female fish

Answer 1

females have a moon shaped slip wheras the male does not

Question 2

how do fish reproduce

Answer 2

the majority of fish reproduce sexially via sperm produces from testes in the male and ova produces from ovareies in the female

Question 3

what does hermaphrodites mean

Answer 3

have both testies and ovaries

Question 4

what does parthenogenesis mean?

Answer 4

when the female egg develops into a new individual without fusing with sperm cells (asexial)

Question 5

what does male gonad mean

Answer 5

testes

Question 6

describe male gonad

Answer 6

two elongated organs in which body cavity either side of the kidneys which increases in size with sexial maturity

Question 7

what does milt mean?

Answer 7

sperm secreation of fish

Question 8

what does epididymis mean

Answer 8

stores mature sperm

Question 9

what are seminiferous tubules

Answer 9

are in the testes amd converts serm cells to spermatozoa and release sperm outside the body to fertilise eggs

Question 10

what is the female gonad

Answer 10

ovaries

Question 11

what does oviduct mean

Answer 11

carry ova from the ovaries to outside the fish body

Question 12

superior mouth

Answer 12

the lower jaw is larger than the upper jaw.

usually feed at the surface

Question 13

what do fish with superior mouths eat

Answer 13

feed on insects and other fish with swim near the surface

they lie and wait for prey above them and strike from below

Question 14

terminal mouth

Answer 14

most common mouth shape among fish

both jaws are the same length

Question 15

what do terminal mouthed fish eat

Answer 15

often omnivours

eat on the move

Question 16

inferior mouths

Answer 16

also called sub-terminal or ventrical mouths

lower jaw is smaller than upper jaw

Question 17

what do inferior mouther fish eat

Answer 17

bottom feeders ofetn eating alge of of the floor and walls of tank

Question 18

prostrusible mouth

Answer 18

allows fish to extend and reach in attempt in snach prey

Question 19

elongated mouth

Answer 19

snout allows fish to poke into crevises and holes

Question 20

what do elongated mouthed fish eat

Answer 20

scoops up insecs and particles

Question 21

beaked mouths

Answer 21

two hard peices that are hindges and come together like scissors which allows them to crush hard shells of invertibrates

Question 22

describe a carnivour fish

Answer 22

an animals that primarly eats meat

sharks

Question 23

describe a herbivour fish

Answer 23

aniamls that eat plants

clownfish

Question 24

describe omniboir fish

Answer 24

eats both plants and meat

gold fish

Question 25

decribe insectivour fish

Answer 25

eats insects rainbow fish

Question 26

describe a browser feeder

Answer 26

type of hurbivour browsing in algae opertunic feeders

Question 27

describe a surface feeder

Answer 27

feeds on the surface of the water eats from the top section of the water

Question 28

describe a mid water feeder

Answer 28

feeds on things in the middle of the water

Question 29

describe a substrate feeder

Answer 29

eats substrate live in or around there food

Question 30

describe a fitler feeders

Answer 30

fiteres the food through special stractures befor eating

Question 31

what are the advantage and disadvantages of scatter feeding

Answer 31

advantage :gets them moving disadvantage: cannot measure exactly how much eat fish has eaten

Question 32

jnkl

Answer 32

j

Question 33

what are the advantage and disadvantages of hand feeding

Answer 33

advantage : disadvantage

Question 34

what are the advantage and disadvantages of drip feeding

Answer 34

advantage : disadvantage

Question 35

what are the advantage and disadvantages of freequency feeding

Answer 35

advantage : disadvantage

Question 36

what chemilcal do fish produce as a waste product

Answer 36

amonia which coverts to nitro which converts to nitrogen

Question 37

what does

Question 38

what is an endoparacite

Answer 38

a paracite inside the body

Question 39

what is an ectoparacite

Answer 39

a paracite outside the body

Question 40

how to prevent fish gwtting disease

Answer 40

if water quality is maintained, stress is avoided, diseases rarly occur

Question 41

describe fungal disease

Answer 41

fungal diseases are often a secondry infectionsof an open wound or damaged scales.

Question 42

what could wounds or damaged scales be caused by

Answer 42

aggression handeling paracite infection infection ulceration

Question 43

name the types of fish diseases

Answer 43

parasidic bacterial viral fungal

Question 44

name one diease from each Paracidic bactarial viral fungal other

Answer 44

gill flukes cloudy eye lympgocytis body fungus pop eye

Question 45

what are symptoms of a bacterials diseasesin fish

Answer 45

lethatrgic swimming loss of apitite patches of skin ulceration

Question 46

what are causes of bacterial disease in fish

Answer 46

poor water quality inpropper diet build up of waste

Question 47

how to prevent bacterial diseases in fish

Answer 47

avoid over crowding use fish flakes within a month keep tank clean

Question 48

describe Furuculosis

Answer 48

bacterial disease found mainly in salmon and trout no human health risk traeated with antibiotics hemorrages on the skin, mouth and fin bases

Question 49

describe cotton mouth

Answer 49

caused by bacteria an infection will usually first manifest in fish by causing frayed and ragges fins ulceration of the skin treated with antibiotics

Question 50

describe vibrosis

Answer 50

caused by bacteria haemorrhage to intestines, body cavity, spleen and muscles treated with antibiotics --

Question 51

describe mycobacteria

Answer 51

Fish TB caused by bacteria wasting away loss of body condition skin ulcers no effective treatment prevention via quarenteen

Question 52

bacterial gill disease

Answer 52

caused by diesase highly contagiouse fusing together of gil filaments causes resptiory isues

Question 53

fin/ tail Rot

Answer 53

bacterial but sometimes with secodry fungal disease caused by poor water conditions and stress a water based treatment or inproving the enviroment

Question 54

describe Dropsy

Answer 54

a build up of fluid inside the body cavity or tissues signs: swelling abdomen eyes that are beginnin to swell and bulge

Question 55

describe Ichthyophthirius multifillis

Answer 55

known as ICK causes an increased respitory rate and ulcers on skin treated with antibiotics

Question 56

describe Digenea

Answer 56

Paraciyes which live on more than one host to complete their life cycle

Question 57

describe monogenea

Answer 57

small parasitic flatworms mainly found on skin or gills of fish. causes open irritated wounds antibiotics

Question 58

Costia

Answer 58

An parasite which caiseing grey spots and is ichy

Question 59

what are the three categories when it comes to the classification of fish

Answer 59

cartilaginous fish jawless fish bony fish

Question 60

describe cartilaginous fish

Answer 60

have true bones and possess a skeleton made up of cartilage only the teeth are certified includes sharks, skates and rays

Question 61

describe jawless fish

Answer 61

jaws are absent no paired fins bony scales have gill pouches filter feeding mouths have no stomach

Question 62

describe bony fish

Answer 62

have bony skeletons and numerous vertebrae paired fins have jaws have a swim bladder