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