teleosts
sharks
lung fishes
rays
sharks
whales
lung fishes
rays
sharks
rays
whales
lung fishes
Coelocanth
Diodon
Sturgeon
Labeo
ampullae of lorenzini
lateral line system
stato-acoustic organs
neuromast organs
electric fish
saw fish
stone fish
dog fish
sound production
respiratory
locomotion
hydrostatic
Sharks
Stingray
Dogfish
Catfish
sawfish
seahorse
electric ray
sucker fish
Scoliodon
Electric ray
Whale
Lung fish
all types fishes
only cartilaginous fishes
only bony fishes
sea dwelling fishes
anterior fins
ray fins
pectoral fins
paired fins
Placoid scales
Ventral mouth
Operculum
Five pairs of gill slits
Primates
Aves
Crocodiles
Pisces
Trygon
Torpedo
Chimaera
Sphynta
respiration
sound production
excretion
movement
hippocampus
labeo
anabes
none of these
Pterois
Fistularia
Gambusia
None of these
Dipnoi
Osteichthyes
Cyclostomata
Chondrichthyes
Osteichthyes
Chondrichthyes
Dipnoi
Holocephali
Oxygen
Carbon dioxide
Fish food
Decoration
live at the bottom of rivers
live in shallow streams
are active swimmers
live in sea water
anandromous migration
catadromous migration
cartilaginous fish
none of these
a shell
egg case of skate fishes
a colony of skate fishes
none of these
pelvic fins
cloacal fins
anal fins
caudal fins
olfactoreceptors
rheoreceptors
gustoreceptors
chemoreceptors
respiration
excretion
movement
none of these
Whale
Tadpole
Aquatic urodeles
Common Indian dog fish
the nature of their scales
the position of the mouth
the position of gill slits
the kind of the tail fin
dog fish
bony fishes
both (a) and (b)
all fishes