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