A) Absence of fins B) Dorsal spines only C) Scales D) Barbels
A) Adipose fin B) Caudal fin C) Anal fin D) Pectoral fin
A) Ictaluridae B) Loricariidae C) Pimelodidae D) Siluridae
A) Bony plates B) Barbels C) Fins D) Teeth
A) Clariidae B) Sisoridae C) Bagridae D) Auchenipteridae
A) Species identification B) Measuring length C) Determining age D) Assessing health
A) Round and short B) Square and bulky C) Flattened and elongated D) Tall and compressed
A) Ictaluridae B) Siluridae C) Pimelodidae D) Loricariidae
A) Swimming B) Sensory perception C) Respiration D) Defense
A) Barbbel count B) Fin ray count C) Body shape D) Scale analysis
A) Brackish water B) Deep sea C) Saltwater D) Freshwater
A) Two rows of overlapping bony plates B) Large, prominent eyes C) Lack of barbels D) One long dorsal spine
A) Measuring the size of the fish B) Dietary identification and species classification C) Determining age of the fish D) Assessing the health of the fish
A) Trichomycteridae B) Cetopsidae C) Amblycipitidae D) Pangasiidae
A) Bright coloration B) Preference for warm water C) Large dorsal fin D) Activity during the night
A) Breathing B) Producing sound C) Detecting vibrations and pressure changes D) Digestion
A) Mochokidae B) Plotosidae C) Trichomycteridae D) Schilbeidae
A) Flattened dorsoventrally B) Round and bulbous C) Elongated and cylindrical D) Compressed laterally
A) Large size B) Bright coloration C) Swimming upside down D) Lack of barbels
A) Malapteruridae B) Loricariidae C) Ictaluridae D) Siluridae
A) Caudal fin B) Anal fin C) Dorsal fin D) Pectoral fin
A) Camouflage B) Bright colors C) Glowing patterns D) Iridescent scales
A) Bony plates B) Transparent body C) Large barbels D) Bright stripes
A) Fin located at the tail B) Fin located on the back of the fish C) Fin located near the gills D) Fin located on the ventral surface near the abdomen
A) Ornithology B) Ichthyology C) Herpetology D) Entomology
A) Nile River B) Mississippi River C) Amazon River D) Yangtze River
A) The study of animal behavior B) The study of ecosystems C) The study of genetics D) The study of the form and structure of organisms
A) Amphiliidae B) Plotosidae C) Bagridae D) Akysidae |