Lab 4 Flashcards
Anchovies
Caudal fin?
upper jaw extends to where?
Engraulidae
forked
behind eye
Herring
Caudal fin?
mouth usually?
Culpidae
forked
terminal
Moray eels
gill opening?
scales?
Muraenidae
One small hole or slit
none
North American Catfish
body?
what special fin?
spines on?
four pairs of ____ on head
Ictaluridae
Naked-no scales
adipose fin
dorsal and pectoral fins
barbels (whiskers)
Minnows
Lips, not like ___
small ___ sometimes present on head
Cyprinidae
suckers
barbels
Suckers
lips ___ & ___
Mouth is usually ____ terminal
____ teeth
Catostomidae
thick & fleshy
subterminal
pharyngeal
Knifefishes
Pelvic girdle and fins are ___
Dorsal fins?
Gymnotidae
absent
absent
Trout, salmon, whitefish
what special fin?
Generally ___ mouth
Salmonidae
Adipose
Large
Pike
______ mouth
Esocidae
Duckbill mouth
Cod
how many dorsal fins?
how many anal fins?
chin ___ present
Gadidae
3
2
barbles
Halfbeaks
Hemiramphidae
Silversides
___ dorsal fins
1st dorsal fin with ___
very silver ____
lateral line?
Atherinidae
2
spines
lateral line
none
Right-eyed Flounders
eyes on _____ side
Origin of dorsal fin?
Pleuronectidae
right side
above eyes
Left-eyed Flounders
Eyes on ___ side
Pelvic fin base?
Bothidae
left
no longer on eyed side
Guppies or livebearers
sexually __ anal fins
Lateral line restricted to ___
Poecilidae
Dimorphic anal fins
head
Gobies
Pelvic fins ____
how many dorsal fins?
1st dorsal fin with ___
head shape?
Gobiidae
fused
2
spines
round
Clingfish
Pelvic fins and girdle modified for?
Body?
dorsal fins w/o what?
Gobiesocidae
into a sucking disk
naked/ no scales
spines
Sculpin
body usually?
Cottidae
naked- or lines of scales
Perch
__ dorsal fins, narrowly ____
__ or __ anal fin spines
Percidae
2, jointed
1 or 2
Drums
dorsal fin with what?
lateral line extends onto ___
Sciaenidae
deep notch
caudal fin
Surgeonfishes
Sharp spine on ____
Acanthuridae
Peduncle
Cichlids
Continuous ___ fin
spines on anal fin?
(look at photo)
Cichlidae
dorsal
many spines
Sunfishes
Opercular flap usually with what?
(look at photo)
Centrachidae
eyespot
Goosefish
Enough said
Lophiidae
yuck
Triggerfishes
you know what it looks like
Ballistidae
Porcupinefishes
body covered in?
two large ___ plates
Diodontidae
large sharp spines
tooth
Pufferfishes
no ___ fins
Four large teeth into ____
Tetraodontidae
no pelvic
plates
