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